Updated on 2025/04/10

写真a

 
ZENG Daozhi
 
Organization
Faculty of Global Management Professor
Contact information
The inquiry by e-mail is 《here
Profile

職歴

◦2025年4月: 中央大学国際経営学部教授
◦2008年4月: 東北大学大学院情報科学研究科教授
◦2006年3月: 香川大学大学院教授
◦1997年6月: 香川大学経済学部准教授
◦1996年4月: 香川大学経済学部講師
学歴
•工学博士 (1996): 京都大学大学院工学研究科数理工学専攻
•理学修士 (1987): 中国 華中科技大学
•理学学士 (1985): 中国 華中科技大学

External link

Degree

  • 博士(工学) ( 京都大学 )

  • 修士 ( 華中科技大学 )

Education

  • 1996.3
     

    Kyoto University   doctor course   completed

  • 1990.11
     

    華中科技大学   doctor course   withdrawn before completion

  • 1987.12
     

    華中科技大学   master course   completed

  • 1985.7
     

    華中科技大学   graduated

Research History

  • 2025.4 - Now

    Chuo University   Faculty of Global Management   Professor

  • 2008.4 - 2025.3

    Tohoku University   Graduate School of Information Sciences   Professor

  • 2006 -  

    - 香川大学, 教授

  • 2006 -  

    - Kagawa University, Professor

Professional Memberships

  • Regional Science Association International

  • American Economic Association

  • 日本応用数理学会

  • 日本オペレ-ションズ・リサ-チ学会

  • 日本経済学会

  • 応用地域学会

  • Regional Science Association International

  • American Economic Association

  • The Japan Society for Industrial and Applied Mathematics

  • The Operations Research Society of Japan

  • Japanese Economic Association

  • Applied Regional Science Conference

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Research Interests

  • Regional Science

  • コンフリクト解決

  • Conflict Resolution

  • Spatial Economics

  • International Economics

  • 地域科学

Research Areas

  • Humanities & Social Sciences / Economic theory

  • Humanities & Social Sciences / Economic policy

Papers

  • The Core‐Periphery Model Under Additively Separable Preferences Reviewed

    Congcong Wang, Dao‐Zhi Zeng, Xiwei Zhu

    Journal of Regional Science   2024.11

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    ABSTRACT

    This paper reexamines Krugman's core‐periphery model by substituting his constant elasticity of substitution (CES) utility with a general additively separable utility that comprehensively captures the pro‐competitive effect while preserving the income effect. The heterogeneous consumption patterns of skilled workers and unskilled workers introduce a demand adjustment effect. The resulting interaction <span>between</span> the dispersion force, driven by the pro‐competitive effect and the demand adjustment effect, and the agglomeration force stemming from the “second nature,” leads to various possible location patterns. These comprehensive demand and supply linkages generate novel evolutionary paths and bifurcation diagrams. Notably, high trade costs do not always lead to complete dispersion, and free trade does not necessarily result in agglomeration. Furthermore, multiple phases of redispersion are also possible.

    DOI: 10.1111/jors.12744

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  • Home demand and trade pattern: A support for the Linder conjecture in the environmental sector Reviewed

    Qi Zhang, Dao‐Zhi Zeng, Deyong Song

    The World Economy   47 ( 10 )   4112 - 4152   2024.8

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    This paper theoretically and empirically explores the Linder conjecture (the home market effect [HME] in terms of trade pattern) in the environmental sector. Using a general equilibrium model for a two‐country, two‐sector economy, we demonstrate the existence of a strong/weak HME and highlight the crucial role of trade costs in the HME. Empirically, by utilising a data set of international air purifier trade and PM2.5 concentration, we investigate the causal relationship between environmental demand and trade patterns. The results show that for every 1% rise in PM2.5, the exports and net exports of air purifiers increase by 4.337% and 3.835%, respectively. We also illustrate that the strong secondary magnification effect exists in the environmental sector, especially among developing countries. In conclusion, a country with a larger environmental home demand tends to be a net exporter of environmental products. It provides a new path for high‐polluting countries to upgrade their traditional manufacturing towards an environmentally friendly economy.

    DOI: 10.1111/twec.13614

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  • Carbon tax vs. emission trading in a monopolistically competitive market with heterogeneous firms Reviewed

    Kefu Lin, Rui Pan, Dao-Zhi Zeng

    The Annals of Regional Science   73 ( 2 )   825 - 88   2024.8

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s00168-023-01249-8

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    Other Link: https://link.springer.com/article/10.1007/s00168-023-01249-8/fulltext.html

  • Goods market desirability of minimum wages Reviewed

    Rui Pan, Dao‐Zhi Zeng

    Economica   91 ( 364 )   1255 - 1290   2024.7

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    Abstract

    This paper presents a general equilibrium model incorporating heterogeneous firms and a perfectly competitive labour market to explore the desirability of minimum wages. We demonstrate that a low minimum wage could enhance social welfare, assuming equal weighting for all individuals. This occurs because the introduction of minimum wages has the potential to mitigate the goods market distortions arising from imperfect competition, firm heterogeneity and free entry. Additionally, we illustrate that the optimal minimum wage is positively associated with the preference intensity for differentiated products relative to the numeraire and population size, while it negatively correlates with the degree of love for variety, entry cost, and upper bound of marginal labour requirements.

    DOI: 10.1111/ecca.12544

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  • The effects of trade liberalization on tax avoidance Reviewed

    Rui Pan, Dao‐Zhi Zeng

    International Journal of Economic Theory   19 ( 4 )   898 - 932   2023.12

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    DOI: 10.1111/ijet.12384

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  • International trade with binary preferences and heterogeneous productivity

    Kefu Lin, Dao-Zhi Zeng

    Economic Modelling   122   106236 - 106236   2023.5

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    DOI: 10.1016/j.econmod.2023.106236

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  • Frictional unemployment, bargaining, and agglomeration Reviewed

    Xinmeng Li, Dao-Zhi Zeng

    The Annals of Regional Science   68 ( 1 )   151 - 179   2021.7

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s00168-021-01072-z

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    Other Link: https://link.springer.com/article/10.1007/s00168-021-01072-z/fulltext.html

  • Mobile capital, optimal tariff, and tariff war Reviewed

    Hajime Takatsuka, Dao‐Zhi Zeng

    Review of International Economics   30 ( 1 )   166 - 204   2021.7

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    Abstract

    Using an intra‐industry trade model with mobile/immobile capital, we revisit the characteristics of optimal tariffs and tariff wars. In contrast to folk wisdom on optimal tariffs, we show that when capital is freely mobile across countries, smaller countries impose higher tariffs, and they can win tariff wars. This occurs because tariffs have a strong impact on output expansion. Even if capital import taxes are available, small countries can win tariff wars, although larger countries may apply higher tariff rates.

    DOI: 10.1111/roie.12562

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/roie.12562

  • Symmetric tax competition and welfare with footloose capital Reviewed

    Dao‐Zhi Zeng, Shin‐Kun Peng

    Journal of Regional Science   61 ( 2 )   472 - 491   2021.3

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    DOI: 10.1111/jors.12517

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jors.12517

  • Trade liberalisation with mobile capital and firm heterogeneity Reviewed

    Xi Yang, Dao‐Zhi Zeng

    The World Economy   44 ( 2 )   530 - 559   2021.2

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    DOI: 10.1111/twec.12983

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/twec.12983

  • Spatial Economics and Nonmanufacturing Sectors Reviewed

    Dao-Zhi ZENG

    Interdisciplinary Information Sciences   27 ( 1 )   57 - 91   2021

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Graduate School of Information Sciences, Tohoku University  

    DOI: 10.4036/iis.2021.r.02

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  • Parallel imports in large developing countries Reviewed

    Dao-Zhi Zeng, Biyue Zhang

    The Annals of Regional Science   65 ( 2 )   509 - 525   2020.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media {LLC}  

    DOI: 10.1007/s00168-020-00993-5

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    Other Link: http://link.springer.com/article/10.1007/s00168-020-00993-5/fulltext.html

  • Economic analysis of industrial agglomeration Invited Reviewed

    Dao-Zhi Zeng

    Regional Studies   53 ( 9 )   1357 - 1357   2019.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Informa UK Limited  

    DOI: 10.1080/00343404.2019.1633154

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  • Elastic labor supply, variable markups, and spatial inequalities Reviewed

    Hajime Takatsuka, Dao‐Zhi Zeng

    Review of International Economics   26 ( 5 )   1084 - 1100   2018.11

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    © 2018 John Wiley & Sons Ltd Assuming an inelastic labor supply, existing studies show that a larger country has a higher wage rate and a higher individual income. We reexamine these results using a model with an endogenous labor supply and variable markups. We find that these results can be reversed. Specifically, in the larger country, the wage rate is lower but the individual income is higher if the love for variety is strong and trade costs are high. In contrast, the wage rate is higher but the individual income may be lower if the love for variety is weak and trade costs are low.

    DOI: 10.1111/roie.12350

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1111/roie.12350

  • Mobile Capital, Variable Elasticity of Substitution, and Trade Liberalization Reviewed

    Ching-mu Chen, Dao-Zhi Zeng

    Journal of Economic Geography   18 ( 2 )   461 - 494   2018.3

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    DOI: 10.1093/jeg/lbx022

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  • Capital Mobility and Spatial Inequalities in Income and Industrial Location Reviewed

    Dao-Zhi Zeng

    The Journal of Economic Inequality   14 ( 1 )   109 - 128   2016.3

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    DOI: 10.1007/s10888-015-9318-y

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    Other Link: http://link.springer.com/article/10.1007/s10888-015-9318-y/fulltext.html

  • Nontariff protection without an outside good Reviewed

    Hajime Takatsuka, Dao-Zhi Zeng

    International Review of Economics & Finance   41   65 - 78   2016.1

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    © 2015 Elsevier Inc. Assuming an outside good, the existing intra-industry trade models show that the domestic price index is lowered and the welfare is improved by unilateral nontariff protection against foreign products. Removing the outside good, we reexamine this issue incorporating the factor-price changes to capture the terms-of-trade effect. In the case of one production factor (immobile labor), we find that unilateral protection is neither price-index lowering nor welfare improving. In the case of two production factors (immobile labor and mobile capital), the same result holds if the elasticity of substitution between varieties is as large as that observed in empirical studies. Therefore, the outside-good assumption is not harmless to evaluate trade policies.

    DOI: 10.1016/j.iref.2015.09.005

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  • Trade and the Location of Two Industries: A Two-Factor Model Reviewed

    Yiming ZHOU, Chutokuro IMAIZUMI, Tatsuhito KONO, Dao-Zhi ZENG

    Interdisciplinary Information Sciences   22 ( 1 )   1 - 15   2016

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Graduate School of Information Sciences, Tohoku University  

    We study a two-country two-factor model with free entry and monopolistic competition. There are two industries employing immobile labor as fixed input and mobile capital as marginal input. Firms cannot move across countries, but only move across industries within a country. The two industries can differ in three aspects: factor intensities, transport costs and demand elasticities. The two countries are identical except for size. The production specialization and trade pattern are the results of the interaction of two effects: the market access effect and the wage differential effect.

    DOI: 10.4036/iis.2015.r.02

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  • Resource-based cities and the Dutch disease Reviewed

    Hajime Takatsuka, Dao-Zhi Zeng, Laixun Zhao

    Resource and Energy Economics   40   57 - 84   2015.5

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    DOI: 10.1016/j.reseneeco.2015.01.003

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  • Offshoring, globalization, and welfare Reviewed

    Yiming Zhou, Dao-Zhi Zeng

    The North American Journal of Economics and Finance   31   75 - 93   2015.1

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    DOI: 10.1016/j.najef.2014.10.004

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  • A Hotelling model with production Reviewed

    Dao-Zhi Zeng

    Mathematical Social Sciences   73   40 - 49   2015.1

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    DOI: 10.1016/j.mathsocsci.2014.11.005

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  • The role of country size in spatial economics: A survey of the home market effects Invited Reviewed

    Dao Zhi Zeng

    Zbornik Radova Ekonomskog Fakultet au Rijeci   32 ( 2 )   379 - 403   2014

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    This paper surveys the growing literature on the home market effects (HMEs) in spatial economics. The HMEs are utilized to disclose the role of country size in the configuration of economic activity. Various HMEs display distinctive features of size advantage and they are originally obtained from different models. Recent studies find that these features are closely related to each other. The following questions are answered. Are these HMEs equivalent under some conditions? Are some of the properties more general than others? Why do the theoretical studies and empirical studies obtain inconsistent results?

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  • Spatial inequality between developed and developing economies Reviewed

    Tan, L., Zeng, D.-Z.

    Papers in Regional Science   93 ( 2 )   2014

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    DOI: 10.1111/pirs.12046

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  • The spatial selection of heterogeneous quality: An approach using different demand elasticities Reviewed

    Chen, C.-mu., Zeng, D.-Z.

    International Journal of Economic Theory   10 ( 2 )   179 - 202   2014

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    This paper incorporates heterogeneous demand elasticities and the quality/skill complementarity of production in a footloose capital model in order to explain the spatial selection of firms with differentiated quality. We find that when trade becomes freer, high-quality firms agglomerate in the region that accommodates more high-skilled labor, whereas low-quality firms move to the region that hosts more low-skilled labor. If trade freeness is high, the spatial separation of high- and low-quality firms occurs. This paper also points out the positive effect of integration on welfare owing to the specialization of product quality.

    DOI: 10.1111/ijet.12035

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  • Ubiquitous inequality: The home market effect in a multicountry space Reviewed

    Zeng, D.-Z., Uchikawa, T.

    Journal of Mathematical Economics   50 ( 1 )   2014

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    DOI: 10.1016/j.jmateco.2013.11.007

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  • Industrial configuration in an economy with low transportation costs Reviewed

    Hajime Takatsuka, Dao Zhi Zeng

    Annals of Regional Science   51 ( 2 )   593 - 620   2013.10

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    We examine how the spatial economy with multiple industries is shaped when interregional trade costs and intraregional commuting costs are low. All industries are characterized by increasing returns to scale and monopolistic competition, and they are differentiated by their trade costs and the degree of intra-industry competition measured by their firm numbers. We find some distinct rules in industrial location. First, at most, one industry disperses, while others agglomerate in a region according to their ratios of relative trade costs to firm numbers. Second, industries with stronger competition constitute a smaller region, while those with higher trade costs compose a larger region. The results are consistent with the classical Weberian location theory and suggest that the degree of intra-industry competition also becomes an essential factor to determine industrial location when transportation costs are small. Finally, the population differential between the regions monotonically decreases in the relative commuting cost. © 2013 Springer-Verlag Berlin Heidelberg.

    DOI: 10.1007/s00168-013-0553-5

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  • Spatial inequality, globalization, and footloose capital Reviewed

    Takahashi, T., Takatsuka, H., Zeng, D.-Z.

    Economic Theory   53 ( 1 )   213 - 238   2013

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    This paper shows the equivalence of spatial inequalities in industrial location and in income by revisiting the home market effect (HME) without any homogeneous good based on a reconstructed footloose capital model. In this simple framework, spatial inequalities in industrial location and in income are the HMEs in terms of firm share and wage, respectively. We show that the larger country has a more-than-proportionate share of firms and a higher wage. Furthermore, both the wage differential and the industrial location in the larger country evolve in an inverted U-pattern when transport costs decline. Finally, we analytically examine the effects of trade liberalization on the welfare and show that both countries may gain from globalization. © 2011 Springer-Verlag.

    DOI: 10.1007/s00199-011-0686-7

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  • Agglomeration, tax, and local public goods? Reviewed

    Wang, A.-M., Zeng, D.-Z.

    Hitotsubashi Journal of Economics   54 ( 2 )   177 - 201   2013

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  • Mobile capital and the home market effect Reviewed

    Takatsuka, H., Zeng, D.-Z.

    Canadian Journal of Economics   45 ( 3 )   1062 - 1082   2012

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    Most existing studies examine the home market effect (HME) in a framework with immobile labour as the only production factor and the assumption of a freely traded homogeneous good is known to be crucial for the HME to emerge. This study explores the HME in the presence of mobile capital by use of a footloose capital model allowing for positive transport costs of the homogeneous good. The mobile capital generates a channel to offset the trade imbalance of a country. As a result, the HME always appears for arbitrary transport costs in both sectors of differentiated and homogeneous goods. © Canadian Economics Association.

    DOI: 10.1111/j.1540-5982.2012.01727.x

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  • Trade liberalization and welfare: Differentiated-good versus homogeneous-good markets Reviewed

    Takatsuka, H., Zeng, D.-Z.

    Journal of the Japanese and International Economies   26 ( 3 )   308 - 325   2012

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ACADEMIC PRESS INC ELSEVIER SCIENCE  

    Takatsuka, Hajime, and Zeng, Dao-Zhi-Trade liberalization and welfare: Differentiated-good versus homogeneous-good markets
    In this paper, we examine the effects of liberalization on industrial location and national welfare in a framework of new economic geography. Specifically, we explicitly incorporate arbitrary trade costs in both differentiated-good and homogeneous-good sectors into a two-country model, and clarify the effects of trade-barrier reduction in each sector. We show that their impacts on welfare levels in the two countries are different, and, if an industry is liberalized while the other is protected, a conflict between the countries might occur. Therefore, appropriate liberalization in both sectors is effective to alleviate such a conflict.J. Japanese Int. Economies 26 (3) (2012) 308-325. Graduate School of Management, Kagawa University, Saiwai-cho 2-1, Takamatsu, Kagawa 760-8523, Japan: Graduate School of Information Sciences, Tohoku University, Aoba 6-3-09, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan: Center for Research of Private Economy, Zhejiang University, Zheda Road 38, Hangzhou, Zhejiang 310027, China. (C) 2012 Elsevier Inc. All rights reserved.

    DOI: 10.1016/j.jjie.2012.05.003

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  • Tourism and industrial agglomeration Reviewed

    Zeng, D.-Z., Zhu, X.

    Japanese Economic Review   62 ( 4 )   537 - 561   2011

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    Tourism generates considerable income and employment in host countries and regions, which substantially improves local economies. Meanwhile, the manufacturing sector remains the most important part in regional and national economies. This paper investigates their interdependence through a general-equilibrium analysis. On the one hand, a tourism boom is pro-industrialization because the income generated by tourism attracts more manufacturing firms and, on the other hand, de-industrialization for attracting labour from the manufacturing sector. We clarify conditions of trade balances in three sectors. The welfare analysis clarifies conditions for the smaller country to be better off, and conditions for the equilibrium to be optimal. © 2010 Japanese Economic Association.

    DOI: 10.1111/j.1468-5876.2010.00518.x

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  • A harmonization of first and second natures Reviewed

    Picard, P.M., Zeng, D.-Z.

    Journal of Regional Science   50 ( 5 )   973 - 994   2010

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    This paper investigates the joint impact of the first nature and the second nature forces on industry location. Toward this aim, we develop a two-region new economic geography model where local factor congestion and location advantages compete with demand linkages and product market crowding. In particular, we study the case of absolute location advantage in a single industry model and the case of comparative advantages in a two-industry model. We characterize the structure of industries and discuss the possibilities of catastrophic changes, endogenous industrial asymmetries and specialization. We find that absolute location advantage are associated with a smooth agglomeration process and comparative advantages with a catastrophic process.

    DOI: 10.1111/j.1467-9787.2010.00672.x

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  • Globalization, interregional and international inequalities Reviewed

    Zeng, D.-Z., Zhao, L.

    Journal of Urban Economics   67 ( 3 )   2010

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    DOI: 10.1016/j.jue.2009.11.002

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  • Pollution havens and industrial agglomeration Reviewed

    Dao Zhi Zeng, Laixun Zhao

    Journal of Environmental Economics and Management   58 ( 2 )   141 - 153   2009.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ACADEMIC PRESS INC ELSEVIER SCIENCE  

    This paper examines the pollution haven hypothesis using a spatial-economy model of two countries and two sectors. The manufacturing sector generates cross-border pollution which reduces cross-sectoral productivity of agricultural goods, and lowers local income. We derive a demand-reducing effect that discourages firms to move to the country with laxer environmental regulations, in the absence of any comparative advantage. Our analysis also demonstrates that manufacturing agglomeration forces can alleviate the pollution-haven effect: a pollution haven may not arise if environmental regulation is slightly more stringent in the larger country. © 2009 Elsevier Inc. All rights reserved.

    DOI: 10.1016/j.jeem.2008.09.003

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  • Arbitration and bargaining across the Pacific Reviewed

    Deck, C., Farmer, A., Zeng, D.Z.

    Southern Economic Journal   76 ( 1 )   2009

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  • Dispersion forms: An interaction of market access, competition, and urban costs Reviewed

    Takatsuka, H., Zeng, D.-Z.

    Journal of Regional Science   49 ( 1 )   177 - 204   2009

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-BLACKWELL PUBLISHING, INC  

    This paper analyzes a two-region model including multiple industries with different transport costs. Two results are derived. First, dispersion occurs for small transport costs, but the specific dispersion patterns depend on the level of urban costs. This results from an interaction of the market-access effect on consumers, the market-access effect on firms, the competition effect, and the urban-cost effect. Second, decreasing transport cost tends to let industries with lower transport costs disperse, although the shares of industries locating in the larger region are not in order of their transport costs. We further provide some empirical data concerning the second result.

    DOI: 10.1111/j.1467-9787.2008.00588.x

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  • Home market effect and trade costs Reviewed

    Zeng, D.-Z., Kikuchi, T.

    Japanese Economic Review   60 ( 2 )   2009

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    DOI: 10.1111/j.1468-5876.2008.00454.x

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  • On Chamberlinian-Ricardian trade patterns Reviewed

    Kikuchi, T., Shimomura, K., Zeng, D.-Z.

    Review of International Economics   16 ( 2 )   2008

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    DOI: 10.1111/j.1467-9396.2007.00712.x

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  • New economic geography with heterogeneous preferences: An explanation of segregation Reviewed

    Zeng, D.-Z.

    Journal of Urban Economics   63 ( 1 )   306 - 324   2008

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ACADEMIC PRESS INC ELSEVIER SCIENCE  

    The Tiebout hypothesis (residential choice depends solely on local public goods) is extensively applied to explain geographic segregation, and the related literature finds that residents are segregated according to their heterogeneous preferences for public goods. This paper further examines the heterogeneous preferences for private goods in a spatial economy without public goods. Specifically, we employ a new economic geography framework in which the heterogeneous preferences of mobile workers on manufactured goods are incorporated. The rigorous general equilibrium analysis conducted here shows that the increasing-returns technology and monopolistic competition form a mechanism endogenously leading to persistent residential segregation. There is an evolving path with decreasing transport costs in which the two types of mobile workers are segregated, while two industries evolve from dispersion to agglomeration. (C) 2007 Elsevier Inc. All rights reserved.

    DOI: 10.1016/j.jue.2007.02.004

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  • Policy equilibrium and generalized metarationalities for multiple decision-maker conflicts Reviewed

    Dao Zhi Zeng, Liping Fang, Keith W. Hipel, D. Marc Kilgour

    IEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans   37 ( 4 )   456 - 463   2007.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC  

    A policy equilibrium is defined, and its properties investigated, for conflicts with more than two decision makers (DMs). A fundamental construction is the metarational tree, which expresses DMs' interactions as sequences of rounds, each consisting of an initial move by the focal DM followed by countermoves by the opponents. Using the metarational tree, the stability definitions of the graph model for conflict resolution can be adapted to apply to policies. These generalized metarational stabilities are shown to generalize Nash, general metarational, and symmetric metarational stabilities. Relationships among generalized metarationalities are derived, as are their connections with policy equilibria. Finally, the refinement that allows only credible moves (moves that are in the immediate interest of the mover) produces a new family of credible generalized metarational stabilities that generalizes the concept of sequential stability in the graph model. © 2007 IEEE.

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  • Amended final-offer arbitration outperforms final-offer arbitration Reviewed

    Deck, C., Farmer, A., Zeng, D.-Z.

    American Law and Economics Review   9 ( 2 )   2007

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    DOI: 10.1093/aler/ahm012

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  • A laboratory comparison of arbitration mechanisms: FOA and AFOA Reviewed

    Deck, C., Farmer, A., Zeng, D.-Z.

    Lecture Notes in Economics and Mathematical Systems   590   2007

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    DOI: 10.1007/978-3-540-68660-6_29

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  • Amended final-offer arbitration over an uncertain value: A comparison with CA and FOA Reviewed

    Deck, C., Farmer, A., Zeng, D.-Z.

    Experimental Economics   10 ( 4 )   2007

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    DOI: 10.1007/s10683-006-9146-9

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  • Generalized metarationalities in the graph model for conflict resolution Reviewed

    Dao Zhi Zeng, Liping Fang, Keith W. Hipel, D. Marc Kilgour

    Discrete Applied Mathematics   154 ( 16 )   2430 - 2443   2006.11

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    A metarational tree is defined within the graph model for conflict resolution paradigm, providing a general framework within which rational behavior in models with two decision makers (DMs) can be described more comprehensively. A new definition of stability for a DM that depends on the total number, h, of moves and counter-moves allowed is proposed. Moreover, the metarational tree can be refined so that all moves must be unilateral improvements, resulting in a new set of stability definitions for each level of the tree. Relationships among stabilities at various levels of the basic and refined trees are explored, and connections are established to existing stability definitions including Nash stability, general metarationality, symmetric metarationality, sequential and limited-move stability, and policy equilibria. © 2006 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.dam.2006.04.021

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  • How powerful is arbitration procedure AFOA? Reviewed

    Dao Zhi Zeng

    International Review of Law and Economics   26 ( 2 )   227 - 240   2006.6

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    Recently, an amendment to final-offer arbitration (AFOA) was proposed to improve the well-known final-offer arbitration (FOA): AFOA is powerful enough to overcome the uncertainty about the arbitrator's notion of a fair settlement, if both disputants are risk neutral. This paper further examines the behavior of AFOA when two disputants are not risk neutral, by use of an existing concept of contract zone and a newly proposed concept of convergent-offer zone. The result is that AFOA is riskier than other existing procedures, therefore more powerful to induce an agreement between risk-averse disputants. © 2006 Elsevier Inc. All rights reserved.

    DOI: 10.1016/j.irle.2006.08.003

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  • Redispersion is different from dispersion: Spatial economy of multiple industries Reviewed

    Dao Zhi Zeng

    Annals of Regional Science   40 ( 2 )   229 - 247   2006.6

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    In the literature of new economic geography, it is observed that the manufacturing sector disperses because of high transportation costs, agglomerates for intermediate transportation costs, and redisperses for low transportation costs. This paper examines a model with multiple manufacturing industries and finds that the redispersion process is different from the dispersion process. More precisely, there is at most one industry that disperses in the redispersion process while all industries disperse in the dispersion process. Furthermore, it is shown that the interaction of demand, increasing returns, and transportation costs is enough to derive a separating equilibrium where at least two industries agglomerate in different regions. © Springer-Verlag 2006.

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  • On the emergence of intra-industry trade Reviewed

    Toru Kikuchi, Koji Shimomura, Dao Zhi Zeng

    Journal of Economics/ Zeitschrift fur Nationalokonomie   87 ( 1 )   15 - 28   2006.1

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    This note explores the determinants of intra-industry trade by extending the standard Chamberlinian-Ricardian monopolistic competition trade model (e.g., Krugman, 1979) to have a continuum of industries (e.g., Dornbusch et al., 1977). It shows that the degree of cross-country technical differences among industries plays an important role as a determinant of trade within each industry.

    DOI: 10.1007/s00712-005-0168-0

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  • On the number and size of cities Reviewed

    Takatoshi Tabuchi, Jacques François Thisse, Dao Zhi Zeng

    Journal of Economic Geography   5 ( 4 )   423 - 448   2005.8

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    We study the effects of a decrease in inter-city transport costs on the spatial distribution of population in a multi-regional economy, when a rise in the regional population generates higher urban costs. Holding the number of cities constant, as transport costs are reduced gradually from a very high level to a very low level, there is a first phase in which large cities grow while small cities shrink, a second phase in which both large and small cities grow while medium size cities shrink, and a third phase in which large cities shrink while small cities grow. Furthermore, when the number of cities is allowed to vary as transport costs are reduced from large to small values, it first decreases and then increases. © The Author (2005). Published by Oxford University Press. All rights reserved.

    DOI: 10.1093/jnlecg/lbh060

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  • Agricultural sector and industrial agglomeration Reviewed

    Pierre M. Picard, Dao Zhi Zeng

    Journal of Development Economics   77 ( 1 )   75 - 106   2005.6

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    In many developing countries, agriculture hires at least as many workers as manufacturing industries. We investigate an economic geography model in which agricultural goods are costly to transport and in which manufactures hire labor from the local agricultural sector as unskilled labor. Our conclusions show that the parameters in the agricultural sector are crucial to determine the spatial configuration of economic activity. We provide an analytic treatment to the model. The location equilibria are compared with the first and second best outcomes. © 2004 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.jdeveco.2004.03.002

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  • Policy stable states in the graph model for conflict resolution Reviewed

    Dao Zhi Zeng, Liping Fang, Keith W. Hipel, D. Marc Kilgour

    Theory and Decision   57 ( 4 )   345 - 365   2004.12

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    A new approach to policy analysis is formulated within the framework of the graph model for conflict resolution. A policy is defined as a plan of action for a decision maker (DM) that specifies the DM's intended action starting at every possible state in a graph model of a conflict. Given a profile of policies, a Policy Stable State (PSS) is a state that no DM moves away from (according to its policy), and such that no DM would prefer to change its policy given the policies of the other DMs. The profile of policies associated to a PSS is called a Policy Equilibrium. Properties of PSSs are developed, and a refinement is suggested that restricts DMs to policies that are credible in that they are in the DM's immediate interest. Relationships with existing stability definitions in the graph model for conflict resolution are then explored. © Springer 2005.

    DOI: 10.1007/s11238-005-2459-x

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  • Stability of spatial equilibrium Reviewed

    Takatoshi Tabuchi, Dao Zhi Zeng

    Journal of Regional Science   44 ( 4 )   641 - 660   2004.11

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    Asymptotic stability of equilibrium is often difficult to know when the number of variables exceeds four, since all eigenvalues of the Jacobian matrix are not analytically solvable. However, we obtain stability conditions for a general class of migration dynamics without computing eigenvalues. We show that a spatial equilibrium is stable in the presence of strong congestion diseconomies, but unstable in the presence of strong agglomeration economies. We also show existence of a stable equilibrium in the case of negligible interregional externalities, which is applicable to club goods, local public goods, and new economic geography. © Blackwell Publishing, Inc. 2004.

    DOI: 10.1111/j.0022-4146.2004.00352.x

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  • On Chamberlinian-Ricardian trade patterns with many industries Reviewed

    Toru Kikuchi, Dao Zhi Zeng

    Economics Bulletin   6 ( 1 )   1 - 9   2004

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    This note explores the determinants of trade patterns by extending a Chamberlinian-Ricardian monopolistic competition trade model to have a larger number of industries as did Dornbush, Fischer and Samuelson (1977). It will be shown that the degree of cross-country technical differences among industries plays an important role as a determinant of trade within each industry.

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  • An amendment to final-offer arbitration Reviewed

    Dao Zhi Zeng

    Mathematical social sciences   46 ( 1 )   9 - 19   2003.8

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    Final-offer arbitration (FOA) was proposed to settle a dispute between two disputants. Although FOA was proposed to induce two disputants to reach an agreements by themselves, FOA fails to achieve the fulfillment, when disputants have incomplete information about the arbitrator's notion of a fair settlement. This paper proposes a new arbitration procedure, which is a simple amendment to FOA that lets the arbitration settlement be determined by the loser's offer if the offers diverge. We show that the offers converge in a unique pure strategy Nash equilibrium without any additional condition. We also provide two methods to prevent an extreme arbitration result, in case the offers do not converge for some reasons. © 2003 Elsevier Science B.V. All rights reserved.

    DOI: 10.1016/S0165-4896(03)00005-2

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  • Policy equilibria for graph games

    Dao-Zhi Zeng, Liping Fang, Keith W. Hipel, D. Marc Kilgour

    Proceedings of the IEEE International Conference on Systems, Man and Cybernetics   5   4490 - 4495   2003

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    The concept of a policy is developed within the framework of the graph model for conflict resolution. More specifically, a policy is defined as an action plan from every possible state in a conflict for each player. A state forms what is called a Policy Stable State (PSS) if every player in a game does not prefer to move to another state given the other players' policies. The policies that cause a PSS constitute a policy equilibrium. Moreover, a refinement to PSS is suggested in order to take into account credible responses by players. Relationships with existing stability concepts in the graph model for conflict resolution are explored.

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  • Equilibrium stability for a migration model Reviewed

    Dao Zhi Zeng

    Regional Science and Urban Economics   32 ( 1 )   123 - 138   2002

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    This paper provides a theoretical analysis of the spatial equilibrium stability of a deterministic model among n regions. Inspired by the necessary condition of [Environment and Planning 18 (1986) pp. 1375-1389], this paper provides a set of sufficient conditions to ensure such stability. Although the model used is basic and simple, this paper presents a complete theoretical analysis and derives concise results with very intuitive explanations. © 2002 Elsevier Science B.V. All rights reserved.

    DOI: 10.1016/S0166-0462(01)00072-2

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  • Group decision with inconsistent knowledge Reviewed

    Guo, P., Zeng, D.-Z., Shishido, H.

    IEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans.   32 ( 6 )   670 - 679   2002

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    In this paper, dual exponential possibility distributions, namely, upper and lower exponential possibility distributions, are identified from the given data to characterize a decision-maker's knowledge. A decision group's knowledge can be represented by a set of such dual possibility distributions. The inherent diversity of knowledge among decision-makers is characterized by a conflict index. A conflict resolution model is proposed based on the conflict index, which integrates multiple possibility distributions identified into a new one to represent compromised knowledge of a decision group. As an application, a portfolio selection problem with multiple decision-makers is considered.

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  • Convergence Analysis for Symmetric Arbitration Games FOA and DOA Reviewed

    Dao-Zhi Zeng, Harunori Shishido

    International Transactions in Operational Research   8 ( 5 )   511 - 521   2001.9

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    DOI: 10.1111/1475-3995.00329

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  • Mark-Choose-Cut Algorithms for Fair and Strongly Fair Division Reviewed

    Shishido, H., Zeng, D.-Z.

    Group Decision and Negotiation   8 ( 2 )   125 - 137   1999

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    This paper proposes a new criterion to evaluate algorithms for cake division by the number of resulting pieces. Then, inspired by the idea of "cut-and-choose", we present "mark-choose-cut" algorithms for fair and strongly fair cake division problems. They are game-theoretic algorithms. The number of resulting pieces is bounded by 2 x 3(n-2) + 1 and 4 x 3(n-2) + 1, for fair and strongly fair division respectively.

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  • Complexity of the minimum base game on matroids Reviewed

    Hiroshi Nagamochi, Dao Zhi Zeng, Naohisa Kabutoya, Toshihide Ibaraki

    Mathematics of Operations Research   22 ( 1 )   146 - 164   1997.2

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    This paper studies the complexity of computing solution concepts for a cooperative game, called the minimum base game (MBG) (E, c), where its characteristic function c : 2E → R-fraktur sign is defined as c(S) = (the weight w(B) of a minimum weighted base B ⊆ S), for a given matroid M = (E, ℐ) and a weight function w : E → R-fraktur sign. The minimum base game contains, as a special case, the minimum spanning tree game (MSTG) in an edge-weighted graph in which players are located on the edges. By interpreting solution concepts of games (such as core, τ-value and Shapley value) in terms of matroid theory, we obtain: The core of MBG is nonempty if and only if the matroid M has no circuit consisting only of edges with negative weights; checking the concavity and subadditivity of an MBG can be done in oracle-polynomial time; the τ-value of an MBG exists if and only if the core is not empty, the τ-value of MSTG can be computed in polynomial time while there is no oracle-polynomial algorithm for a general MBG; computing the Shapley value of an MSTG is #P-complete, and there is no oracle-polynomial algorithm for computing the Shapley-value of an MBG.

    DOI: 10.1287/moor.22.1.146

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  • Double-offer arbitration Reviewed

    Dao Zhi Zeng, Shinya Nakamura, Toshihide Ibaraki

    Mathematical social sciences   31 ( 3 )   147 - 170   1996

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    This paper proposes a new arbitration rule, double-offer arbitration (DOA), which aims to improve final-offer arbitration (FOA), a well-known method to settle a dispute between two disputants. Under DOA, each disputant makes double offers, primary and secondary, for settlement. If the offers of two disputants do not converge, the arbitrator evaluates the two double offers by a criterion function, then adopts the primary offer of the disputant with a better criterion value. In the literature, it has been shown that under some conditions, a Nash equilibrium exists under FOA in which the offers diverge. However, we show that, under similar conditions, there is also a Nash equilibrium under DOA, in which the secondary offers of two disputants converge. Therefore, the arbitrator's presence in the arbitration process is necessary, but not his/her actual choice.

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Books

  • Spatial Economics Volume II: Applications

    Li, X, Zeng, D.-Z( Role: ContributorChapter 9, pp.251-273)

    Palgrave Macmillan  2021  ( ISBN:9783030400934

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  • Spatial Economics

    Dao-Zhi Zeng, Hajime Takatsuka( Role: Joint author)

    Peking University Press  2018.3  ( ISBN:9787301293089

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    Total pages:214   Language:Chinese   Book type:Scholarly book

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  • 空間経済学

    曽, 道智, 高塚, 創

    東洋経済新報社  2016.9  ( ISBN:9784492314852

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    Total pages:x, 269p   Language:Japanese  

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  • Focus on Urban and Regional Economics

    Nova Science Publishers  2006 

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  • Game Practice, Contributions from Applied Game Theory

    Kluwer Academic Publishers  2000 

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  • Approximete envy-free procedures

    Kluwer Academic Publishers  2000 

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MISC

  • Algorithms for Conflict Resolution

    ZENG Dao-Zhi

    IEICE technical report. Theoretical foundations of Computing   109 ( 235 )   25 - 25   2009.10

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  • 最終提案仲裁(Final-Offer Arbitration)とその経済学的分析

    曽 道智, 中野 俊一郎

    JCAジャーナル   53 ( 6 )   2 - 9   2006

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:日本商事仲裁協会  

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  • The second-price bidding system under uncertainty Reviewed

    H Shishido, DZ Zeng, XG Yang

    2004 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN & CYBERNETICS, VOLS 1-7   1056 - 1061   2004

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    The Japanese government uses bidding auction systems to assign public construction projects to firms. Although the first-price auction is applied in most cases, it is known that firms do not bid their reservation prices, which makes the game-theoretic analysis difficult. The second-price auction has many nice properties and is expected to be applied more. We first compare the optimal strategies of the government in both systems under certainty, and find that the expected payoffs to the government are the same. Then we generalize the second-price auction to the situation with uncertain factors. Our result shows that the bidders bid in the same way as the situation without uncertainty.

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  • 離散最適化とその応用 : 第5回公平分割と公平割当

    宍戸 栄徳, 曽 道智

    オペレーションズ・リサーチ : 経営の科学   48 ( 3 )   203 - 209   2003.3

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  • 公平分割と公平割当

    オペレーションズ・リサーチ誌   48 ( 3 )   203 - 209   2003

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  • Policy equilibria for graph games Reviewed

    Zeng, D.-Z., Fang, L., Hipel, K.W., Kilgour, D.M.

    Proceedings of the IEEE International Conference on Systems, Man and Cybernetics   5   4490 - 4495   2003

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    Language:English   Publisher:IEEE  

    The concept of a policy is developed within the framework of the graph model for conflict resolution. Afore specifically, a policy is defined as an action plan from every possible state in a conflict for each player. A state forms what is called a Policy Stable State (PSS) if every player in a game does not prefer to move to another state given the other players' policies. The policies that cause a PSS constitute a policy equilibrium. Moreover, a refinement to PSS is suggested in order to take into account credible responses by players. Relationships with existing stability concepts in the graph model for conflict resolution are explored.

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  • Possibilistic conflict analysis for group decision Reviewed

    Guo, P., Zeng, D.-Z., Shishido, H.

    Proceedings of the IEEE International Conference on Systems, Man and Cybernetics   2   1224 - 1228   2001

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  • Conflict Analysis of the Dispute about Teshima Island's Industrial Waste

    Zeng Dao-Zhi, Shishido Harunori, Yamasaki Akiko

    The Kagawa University economic review   73 ( 1 )   217 - 240   2000.6

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  • Equilibrium Analysis for a Migration Model (Mathematical Decision Making under uncertainty and ambiguity)

    Zeng Dao-Zhi

    RIMS Kokyuroku   1132 ( 1 )   190 - 197   2000.2

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    Language:English   Publisher:Kyoto University  

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  • Approximate envy-free procedures

    ZENG D.-Z.

    Game Practice : Contributions from Applied Game   2000

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  • Fair Divisions and Their Procedures

    Zeng Dao-Zhi, Ibaraki Toshihide

    Bulletin of the Japan Society for Industrial and applied Mathematics   9 ( 1 )   12 - 27   1999.3

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    We survey the recent research in the field of cake divisions and their procedures. The question is how to divide a cake among n players, so that a certain fairness is achieved, where players have individual measures on the cake, and each player only knows his own measure. The model has very wide applications, such as dividing up the property in an estate, and even in determining the border in an international dispute. We first review mathematical definitions of various concepts of fairness. Although the existence of fair divisions is proved under some mathematical conditions, their dividing...

    DOI: 10.11540/bjsiam.9.1_12

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  • Convexity of Elementary Flow Games

    NAGAMOCHI Hiroshi, MAKINO Kazuhisa, ZENG Dao-Zhi, MURATA Maki, IBARAKI Toshihide

    The transactions of the Institute of Electronics, Information and Communication Engineers   81 ( 6 )   666 - 676   1998.6

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  • Approximate Algorithms For Fair Division(組合せ最適化(1))

    ZENG Dao-Zhi

    1998   128 - 129   1998.5

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  • Arbitrations When Players Have Different Information

    Dao-Zhi Zeng, Ibaraki Toshihide

    The Kagawa University economic review   70 ( 1 )   55 - 95   1997.6

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  • The Existence of Equilibrium in Symmetric Arbitration Games FOA and DOA

    ZENG Dao-Zhi, SHISHIDO Harunori

    1997   160 - 161   1997.4

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    Language:English   Publisher:The Operations Research Society of Japan  

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  • Mark-Choose-Cut Algorithms for Fair and Strongly Fair Division

    SHISHIDO Harunori, ZENG Dao-Zhi

    1996   132 - 133   1996.11

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  • フローゲームの凸性について(ゲーム理論(2))

    村田 真紀, 牧野 和久, 永持 仁, 曽 道智, 茨木 俊秀

    日本オペレーションズ・リサーチ学会秋季研究発表会アブストラクト集   1996 ( 1 )   140 - 141   1996.11

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  • The Existence of Equilibrium in Symmetric Arbitration Games FOA and DOA (To prof. Nobuo Miyata in appreciation of his many years of service)

    Zeng Dao-Zhi, Shishido Harunori

    The Kagawa University economic review   69 ( 2 )   317 - 332   1996.11

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  • Arbitration Under Different Information

    ZENG Dao-Zhi, OHNISHI Masamitsu, IBARAKI Toshihide

    1995   92 - 93   1995.10

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  • Research on Empty-Core Games

    ZENG Dao-Zhi, IBARAKI Toshihide

    1995   204 - 205   1995.3

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  • 最終ダブルオファー仲裁(FDOA)の均衡戦略の解析について(ゲーム理論(1))

    中村 伸也, 曽 道智, 茨木 俊秀

    日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   1995   68 - 69   1995.3

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  • The Minimum Base Game on Matroids

    Nagamochi Hiroshi, Kabutoya Naohisa, Zeng Dao-Zhi, Ibaraki Toshihide

    IEICE technical report. Theoretical foundations of Computing   94 ( 181 )   73 - 82   1994.7

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    This paper studies complexties for computing solution concepts of cooperative games,introducing the minimum base game (MBG)(E,c) on a pair of a matroid M = (E,〓) and a weight funciton ω : E 〓 〓 , where a characteristic function c : 2^E 〓 〓 is defined as c(S) = the weight of a minimum weighted base on S ⊆ E.The minimum base game contains,as its special case,the minimum spanning tree game(MSTG)in an edge-weighted graph in which players are located on the edges.By interpreting solution concepts such as core and Shapley value in terms of matroid theory,we obtain the followings: (1)The core of M...

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  • Double-Offer Bargaining Rule

    ZENG Dao-Zhi, IBARAKI Toshihide, OHNISHI Masamitsu

    1993   264 - 265   1993.10

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  • Offer Analysis for the Arbitration Procedure FDOA(MATHEMATICAL OPTIMIZATION AND ITS APPLICATIONS)

    ZENG Dao-Zhi, OHNISHI Masamitsu, IBARAKI Toshihide

    RIMS Kokyuroku   835   59 - 69   1993.5

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  • INTRINSIC GAP AND FINAL-DOUBLE-OFFER ARBITRATION Reviewed

    DZ ZENG, M OHNISHI, T IBARAKI

    LARGE SCALE SYSTEMS: THEORY AND APPLICATIONS 1992   1993 ( 10 )   51 - 56   1993

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    Language:English   Publisher:PERGAMON PRESS LTD  

    Web of Science

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  • Further Analysis of the Arbitration Procedure FDOA

    ZENG Dao-Zhi, OHNISHI Masamitsu, IBARAKI Toshihide, CHEN Ting

    1992   260 - 261   1992.9

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    Language:English   Publisher:The Operations Research Society of Japan  

    CiNii Books

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  • Arbitration for Bayesian Collective Choice Problem

    ZENG Dao-Zhi, OHNISHI Masamitsu, IBARAKI Toshihide

    1992   234 - 235   1992.5

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    Language:English   Publisher:The Operations Research Society of Japan  

    CiNii Books

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  • Intrinsic Gap and Final-Double-Offer Arbitration

    ZENG Dao-Zhi, OHNISHI Kunimitsu, IBARAKI Toshihide, CHEN Ting

    1991   186 - 187   1991.10

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    Language:English   Publisher:The Operations Research Society of Japan  

    CiNii Books

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  • An Analysis Of Arbitration Under Incomplete Information

    ZENG Daozhi, CHEN Ting, OHNISHI Masamitsu

    1991   216 - 217   1991.5

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    Language:English   Publisher:The Operations Research Society of Japan  

    CiNii Books

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Works

  • Experimental Study on Arbitration Mechanisms

    2004 -  

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  • Graph Model for Conflict Resolution

    2003 -  

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  • Spatial Economics

    2002 -  

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Awards

  • Sakashita Prize

    2005  

  • The 9th Springer-Verlag Award

    2004  

  • The Institute of Electronics, Information and Communication Engineers, Paper Award

    1999  

Research Projects

  • Exploring the Agglomeration Mechanisms in Spatial Economics and Their Applications

    Grant number:20H01485  2020.4 - 2024.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)  Tohoku University

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    Grant amount: \17160000 ( Direct Cost: \13200000 、 Indirect Cost: \3960000 )

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  • The Impact Analysis of Spatial Heterogeneity in Spatial Economics and Its Reflection on Policies

    Grant number:17H02514  2017.4 - 2021.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)  Tohoku University

    Zeng Dao-Zhi

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    Grant amount: \11050000 ( Direct Cost: \8500000 、 Indirect Cost: \2550000 )

    This project built some new theoretical frameworks and conducted empirical studies of spatial economics including firm heterogeneity and country/region/city heterogeneity. More specifically, we analyzed gains from trade considering capital mobility and disclosed the economic mechanism for countries to change their parallel import policies. We have made substantial progress in analyzing the relationship between agglomeration and trade in intermediate goods. We revealed how regional governments make good policies to develop their regions by attracting good firms. Finally, we examined the optimal capital tax, optimal property tax, and other related policies considering consumer heterogeneity and differences across and within cities.

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  • International Trade and Regional Economics in the Era of Globalization---An Analysis based on the Viewpoint of Spatial Economics

    Grant number:26380282  2014.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Tohoku University

    Zeng Dao-Zhi

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    Grant amount: \4550000 ( Direct Cost: \3500000 、 Indirect Cost: \1050000 )

    This project studied international trade and regional economics from the viewpoint of spatial economics. I considered the following problems. (1) To disclose the inconsistency between the theoretical and empirical results on the home market effects; (2) To show how offshoring pattern changes in the globalizing era; (3) To analyze some policies for resource-based cities to promote their regional economies when the transport costs of resource goods fall; (4) To reformulate the Hotelling problem when the production is costly; (5) To examine the international tax competition based on some nontariff barriers; (6) To compare how the spatial inequalities change when trade costs of products and mobility costs of capital decline. The results are summarized and published as a Japanese book and 7 English papers in international journals.

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  • A research on the upgrading of China's industrial agglomeration: An interdisciplinary approach of spatial economics and area study

    Grant number:24330072  2012.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)  Tohoku University

    Hioki Shiro

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    Grant amount: \16770000 ( Direct Cost: \12900000 、 Indirect Cost: \3870000 )

    This research program investigated the upgrading of China's industrial agglomeration using an interdisciplinary approach of spatial economics and area study. The results of our researches can be summarized as follows: 1. We built many spatial economic models including a multi-country or multi-regional model in which the level of wage is endogenously determined with capital movement; 2. We conducted many econometric investigations including an analysis assessing the impacts of new highway constructions over the Chinese regional economy; and 3. an analysis elucidating the mechanism as to the accumulation of soft information in the relational banking by local banks in China's garment industrial clusters; 4. We made unique case studies focusing on the knowledge and information sharing between global platform-vendors and local mobile phone-set manufactures in Pearl river delta region of China so that we clarified the upgrading mechanisms of China's mobile phone-set industry.

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  • Study on the Creative and Sustainable Regional Economic System under the Risk Uncertainty

    Grant number:24243036  2012.4 - 2016.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)  Okayama University

    Nakamura Ryohei, KURODA Tatsuaki, ZEN DAOZU, IHARA RYUSUKE

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    Grant amount: \28990000 ( Direct Cost: \22300000 、 Indirect Cost: \6690000 )

    In pursuing sustainable regional economies, we cannot avoid uncertain phenomena, such as natural disasters. Based upon the experience of Higashi-Nihon Big earthquake, we estimate regional economic potentials before/after earthquake by expanding the new economic geography model. By calculating and simulating the model we have reached to the conclusion that workers tend to move back to coastal area by economic recoveries.
    By implementing the research we constructed regional economic circulation theory and conducted several applications to real regional economies.

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  • On the Sustainable Development of Cities and Regions by a Dynamic Approach of Spatial Economics

    Grant number:22330073  2010.4 - 2014.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)  Tohoku University

    ZENG Dao-Zhi, KONO Tatsuhito, TAKATSUKA Hajime, ZHANG Yang, NAKAJIMA Kentaro

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    Grant amount: \10140000 ( Direct Cost: \7800000 、 Indirect Cost: \2340000 )

    This project develops spatial economics and considers policies to realize sustainable growth of urban and regional economics from the following four aspects. 1. We formulate models of spatial economics which can be applied to examine urban and regional policies for economic growth. In particular, we reveal a new mechanism of spatial income inequality which is related to the research of economic inequality and growth theory. 2. We examine policies for sustainable development of cities and regions. We investigate the role of tourism industry, the behavior of city developers and land use. 3. We study transport policies from the viewpoints of industrial agglomeration and disaster prevention. 4. In empirical studies, we examine interregional utility differentials, agglomeration effect of inter-firm backward and forward linkages and decreasing transportation costs by use of firm-level data.

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  • Further development of spatial economics in the age of globalization and brain power society.

    Grant number:21243021  2009 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)  Konan University

    FUJITA Masahisa, NISHIMURA Kazuo, WAKASUGI Ryuhei, NAGAOKA Sadao, HAMAGUCHI Nobuaki, MORI Tomoya, ZENG Dao-zhi, TODO Yasuyuki, SATO Yasuhiro, YAMAMOTO Kazuhiro, OKUBO Toshihiro, TABUCHI Takatoshi, TAMADA Schumpeter

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    Grant amount: \42120000 ( Direct Cost: \32400000 、 Indirect Cost: \9720000 )

    The new field of spatial economics has been developed rapidly since the early 1990s by economists in Japan, U.S. and Europe, aiming for the unified theory of geographical economics. This research has succeeded in the further development of spatial economics towards a comprehensive theory of geographical economics in the age of globalization and brain power society. In particular, we have succeeded, perhaps for the first time in the world, in developing a dynamic micromodel of knowledge creation and transfer, through interactions among heterogeneous knowledge workers in multiple regions.

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  • Water resources in Kagawa Prefecture and fair assignment

    Grant number:21510147  2009 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Kagawa University

    SHISHIDO Harunori, ZENG Dao-zhi

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    Grant amount: \4680000 ( Direct Cost: \3600000 、 Indirect Cost: \1080000 )

    We showed the current situations of water resources in Kagawa Prefecture and considered the fare assignment of water resources according to the methods of effective usage. Because Kagawa ditch and Hozan-ko lake were recently completed, the demand-supply relations are greatly improved. On the regional economy in Kagawa Prefecture total regional resources are becoming more important than the lack of water resources. According to these changes we considered the fare assignment of water resources and effects on the industrial location in Kagawa Prefecture theoretically.

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  • Policy Study on Regional Competition/Collaboration and Urban Agglomeration by Applying Game Theory

    Grant number:19203013  2007 - 2010

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)  Okayama University

    NAKAMURA Ryohei, TOKUNAGA Suminori, KURODA Tatsuaki, ZEN Daozu

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    Grant amount: \26260000 ( Direct Cost: \20200000 、 Indirect Cost: \6060000 )

    We showed analytical framework for understanding regional economic structure in terms of regional money circulation as a basis of regional competition. From theoretical point, cultural differences as well as economic disparities among regions may become obstacle to interregional collaboration. In addition, we focused on regional disparity which is important element for regional collaboration, and develop a new interpretation for expanding regional disparities. In expanding period of regional disparities it is shown that agglomeration economies have an important role in a process of new steady state.

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  • Mathematical Studies on Spatial Economics and Conflict Resolution

    Grant number:18530179  2006 - 2009

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C) 

    ZENG Dao-Zhi

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    Grant amount: \4150000 ( Direct Cost: \3400000 、 Indirect Cost: \750000 )

    This study contributes to the regional science in two points. The first part is the mathematical study on spatial economics, clarifying the mechanism of industrial agglomeration by a general-equilibrium framework. Particularly, we study the economy in a space of multiple industries and multiple regions, develop the international trade theory, and apply the results to resolve some problems in environment economics and development economics. The results are summarized in 9 academic papers, published (or accepted) in well-known international journals. The second part is the mathematical study on conflict resolution. We examine new arbitration procedures AFOA and DOA proposed by the applicant by use of experiments and show that AFOA works better than other existing procedures. We also extend the graph model for conflict resolution by use of the concept of strategy in dynamic game theory. The results are summarized in 7 academic papers, 6 of them are published in well-known international journals, and one of them is published in a Japanese journal for Japanese lawyers.

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  • Conflict analysis by possibility theory and dynamic models

    Grant number:15510133  2003 - 2004

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Kagawa University

    SHISHIDO Harunori, ZENG Dao-zhi, GUO Peijun

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    Grant amount: \3200000 ( Direct Cost: \3200000 )

    Our research focuses on the resolution of conflicts theoretically and practically. The multilateral conflict aspects are considered. Our approaches are based on possibility theory, bidding theory, cooperative game theory and graph models.
    Fair cost sharing of network maintenance is analyzed. It is shown that the Shapley values of cooperative game theory give a rational resolution of the problem. We give a definition of characteristic function of network structure then define the Shapled values on it. They can be calculated very easily. The idea is applied to the actual situation, maintenance of railway network by the local governments, and we show that theoretical result is similar to the actual situation.
    Applying the graph model to the conflict resolution, we propose a new way of policy analysis. It is shown that the important thing about the refinement is limited to the stakeholders' direct interests.
    We also consider the bidding problem of the public construction. It is pointed out that under an uncertainty such as ground condition the expected values are not appropriate for both governments and builders. We propose a new bidding system that does not use the expected values as payoffs. Our bidding system is designed by using the second price bidding system.
    We formalize the uncertainty of demand by possibility distribution, then propose a new decision models. By our new decision model we can determine the optimal order quantity of the short life cycle goods.
    We have proposed several ways of conflict resolutions that can be applied to the actual situations. It is expected that these will be applied to many real conflicts.

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  • 地域の経済発展に関する数理的研究

    Grant number:14730017  2002 - 2004

    日本学術振興会  科学研究費助成事業  若手研究(B)  香川大学

    曽 道智

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    Grant amount: \3100000 ( Direct Cost: \3100000 )

    ・新経済地理の手法による研究
    1.新経済地理の分析に使われるdynamicsの安定性を分析し、その必要十分条件を得た。研究成果は国際学術誌Journal of Regional Scienceに掲載された。そして、関連研究を纏めたサーベイをFrank Columbus編集のContemporary Issues in Urban and Regional Economicsの第12章として採用された。
    2.2地域の核・周辺モデルに農業部門を明確に導入し、解析解を求めることに成功した。その結果、農業部門は運送コストの逓減により、地域工業経済活動が「分散⇒集中⇒再分散」の変化パタンをとることが分かった。研究成果は国際学術誌Journal of Development Economicsに掲載された。
    3.新経済地理のベースになっている2地域核・周辺モデルを多地域に一般化し、それぞれの地域の変遷状況を調べた。その成果は国際学術誌Journal of Economic Geographyに採用された。
    4.以上のモデルにさらに多工業部門を導入し、その経済活動を分析した。その結果、分散と再分散の違いが明らかになった。分散においては、各工業部門が2地域に均等に立地するが、再分散においては、高々1つの工業が両地域に立地するが、ほかの工業は別々の地域に集中する。この成果は国際学術誌Annals of Regional Scienceに採用された
    ・国際貿易の立場から多産業の変遷状況を考え、産業内貿易の存在条件を明らかにした。その成果は国際学術誌Economics Bulletinに掲載された。
    ・コンフリクト解析のグラフモデル研究:政策均衡を提案し、その性質を調べた。特に現在使われている諸概念との関係を明らかにした。その成果は国際学術誌Theory and Decisionに採用された。

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  • Mathematical Analysis of Conflict Resolution

    Grant number:12680444  2000 - 2001

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)  Kagawa University

    SHISHIDO Harunori, GUO Peijun, ZENG Dao-zhi

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    Grant amount: \1200000 ( Direct Cost: \1200000 )

    We have published 6 papers and made 4 presentations. The summary of each article is as follows:
    (1) We give a new existence result for a general game. Then the result is applied to the symmetric arbitration games FOA and DOA. It is shown that DOA leads to a convergence of offers but FOA does not.
    (2) We present a new moving knife procedures for ε-approximate envy-free cake division, whose idea also works well for chores division. The procedure is generalized to multi-fair division. The number of necessary cuts is bounded.
    (3) Multi-source possibilistic information is presented by a set of possibilistic constraints to characterize decision variables from different information aspects. Possibilistic linear programming is used to integrate multi-source information into upper and lower possibility distributions of decision vector.
    (4) We investigate the conflict situation of experts' knowledge. We present how to resolve such conflict to obtain more reliable and refine knowledge that can be used for decision-making.
    (5) An alternating prisoner's dilemma game of linear function moves is considered. We present the existence condition of stable equilibrium points when a player plays a game against the players using the same type of strategies.
    (6) A dispute among the local government and residents of two regions is analyzed. We present the resolution of the dispute.
    (7) We show that the deficiency of combined arbitration and double-offer arbitration can be corrected by a combination with conventional arbitration.

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  • Research of Modern Regional Economies in Both China and Japan

    Grant number:10045016  1998 - 2000

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B).  Kagawa University

    IHARA Takeo, HOSOKAWA Susumu, ZENG Dao-zhi, YAO Feng

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    Grant amount: \4500000 ( Direct Cost: \4500000 )

    The main aim of this research is to clarify the regional economy in modern China, which has been rapidly changing by introducing a new system of market economy into the old and traditional planned economy. In order to carry out this kind of research project, we tried to make some comparisons between the Chinese regional economy and the Japanese regional economy in the past. We also put an emphasis of our empirical fact-findings on revealing regional diferentials of, say, between the coastal and inland areas, as well as the urban and rural areas, so as to derive the meaningful and efficient policy-recommendations for the Chinese regional economy. The performance of this research project is summarized by the following paper, entitled the 'Research of Modern Regional Economies in Both China and Japan.' Eventually, this paper is truly a joint-reserach work by the Scholars of Northwest University in Chana and Kagawa University in Japan.It consists of the following three parts : 1) How to Evaluate the Current Situations (Recognition of the Status Quo), 2) Theoretical Research Works (by Regional Ecomonics), 3) Empirical Reseach Works (for Regional Policy).

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  • 地域科学

    2000 -  

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    Grant type:Competitive

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  • Regional Science

    2000 -  

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    Grant type:Competitive

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  • 紛争を公平に解決する方法の数理研究

    Grant number:09780414  1997 - 1998

    日本学術振興会  科学研究費助成事業  奨励研究(A)  香川大学

    曽 道智

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    Grant amount: \2000000 ( Direct Cost: \2000000 )

    本年度は,公平分割(ケーキ分割)モデルに重点を置いて、紛争解決の研究を進んできた。このモデルでは、n人(プレーヤー)が一個のケーキを比率〈α_1,…,α_n〉で分割する。各プレーヤーはこのケーキの各部分に関する好みが異なるかもしれない。その好みは個人情報であり、他の人には知られていない。問題は、このケーキをどの手順で分割したら、各人とも自分の好みで満足できるか。ただし、手順には個人情報としての各プレーヤーの好みを利用することはできない。なお、比率〈α_1,…,α_n〉の決定は今まで研究してきた仲裁方法に関係する。
    ●まずは、今までの公平分割とその手順に関する研究の成果とその問題点もまとめて、論文「公平分割とその手順」を書いて、応用数理学会の学会誌「応用数理」に掲載された。
    ●次は、現実問題への適用の観点から、近似公平を保証する分割手順の開発を行った。その結果は論文“Approximate envy-free algorithms"として、国際会議Game Pratice Iで発表した。これからその論文を修正して、雑誌か論文集へ投稿する予定である。
    ●1997年の実績報告書に報告した論文「Mark-choose-cut algorithms for fair and strongly fair division」が1999年に出版された。
    ●1997年の実績報告書に報告した論文「初等的フローゲームの凸性について」は電子情報通信学会論文誌D-IのJ81-D-I,No.6に掲載された。
    なお、地域間の紛争を解決するため、全国の租税政策により地域人口の移動を分析した。その結果は論文「投資家と住民の移動モデル」として日本経済学会で発表した。これからその論文を修正して、雑誌へ投稿する予定である。

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  • 紛争解決の数理研究

    1993 -  

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    Grant type:Competitive

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  • Mathematical Studies on Conflict Resolution

    1993 -  

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    Grant type:Competitive

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Committee Memberships

  • 2006 -  

    応用地域学会   運営委員  

  • 2006 -  

    Applied Regional Science Conference   Managing Committee Member