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Urai Ken
浦井　憲
Urai Ken
浦井　憲
Institutional repository
Graduate School of Economics　Economics, Professor

keyword Economic Theory，Methodology of Science，Realism，Mathematical Economics，General Equilibrium Theory

Institutional repository

Research History 10

  1. 2014/04/01 - Present
    Osaka University Graduate School of Economics Economics　Professor

  2. 2008/11 - Present
    Professor, Graduate School of Economics, Osaka University

  3. 2008/11/01 - 2014/03/31
    Osaka University Graduate School of Economics Policy Studies　Professor

  4. 2007/04/01 - 2008/10/31
    Osaka University Graduate School of Economics Policy Studies　Associate Professor

  5. 2007/04 - 2008/10
    大阪大学（大学院経済学研究科）准教授

  6. 2005/04/01 - 2007/03/31
    Osaka University Graduate School of Economics Policy Studies　Associate Professor

  7. 1995/04 - 2007/03
    大阪大学(経済学部)助教授

  8. 1998/04/01 - 2005/03/31
    Osaka University Graduate School of Economics Economics　Associate Professor

  9. 1991/04 - 1995/03
    京都産業大学経済学部講師

  10. 1988/04 - 1991/03
    大阪大学(社会経済研究所)助手

Education 8

  1. Osaka University　Graduate School of Economics

    1987/04 - 1988/03

  2. Osaka University　Graduate School of Economics

    1985/04 - 1987/03

  3. Osaka University　School of Economics　Department of Economics

    1981/04 - 1985/03

  4. 奈良県立奈良高等学校　普通科

    1978/04 - 1981/03

  5. 奈良市立平城西中学校

    1976/04 - 1978/03

  6. 神戸市立本山中学校

    1975/04 - 1976/03

  7. 神戸市立本山第二小学校

    1971/09 - 1975/03

  8. 尼崎市立塚口小学校

    1969/04 - 1971/08

Committee Memberships 8

  1. The Japan Society of Process Studies　Treasurer Office Director　Academic society

    2022/10 - Present

  2. Japanese Society of Mathematical Economics　Vice Director　Academic society

    2018/04 - 2022/03

  3. Japanese Society for Mathematical Economics　Councilor　Academic society

    2017/04 - 2021/03

  4. Japanese Society for Mathematical Economics　Councilor　Academic society

    2013/04 - 2015/03

  5. Japanese Society for Mathematical Economics　Vice Director　Academic society

    2013/04 - 2014/03

  6. Research Center for Mathematical Economics　Councilor　Academic society

    2012/04 - 2013/03

  7. Research Center for Mathematical Economics　Public Relations Director　Academic society

    2012/04 - 2013/03

  8. Japanese Society for Mathematical Economics: Methodological Subcommittee　Representative secretary　Academic society

    2013/04 - Present

Professional Memberships 2

  1. THE JAPAN SOCIETY FOR PROCESS STUDIES

  2. The Japanese Society for Mathematical Economics

Research Areas 1

  1. Humanities & social sciences / Theoretical economics / General Equilibrium Theory

Papers 47

  1. Note on the Existence of Star Refinement

    Ken Urai, Hiromi Murakami

    Communications in Economics and Mathematical Sciences　Vol. 4　p. 1-6　2025/03　Research paper (scientific journal)

  2. Dynamic Constitution for the Place of Reality to Enclose and Nurture our Knowing: Realism as a Methodology of Science

    Ken Urai, Ken Shiotani, Yasuto Murata

    Realism for Social Sciences　2023/09　Part of collection (book)

  3. Generalization of the social coalitional equilibrium structure

    Ken Urai, Hiromi Murakami, Weiye Chen

    Economic Theory Bulletin　Vol. 11　p. 1-25　2023/03/09　Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC

  4. An Axiomatic Characterization of the Price–Money Message Mechanism for Economies with Satiation

    Ken Urai, Hiromi Murakami

    Journal of Mathematical Economics　Vol. 82　p. 264-271　2019/05　Research paper (scientific journal)

    Publisher:

  5. General Equilibrium Model for an Asymmetric Information Economy without Delivery Upper Bounds

    Ken Urai, Akihiko Yoshimachi, Kohei Shiozawa

    B.E. Journal of Theoretical Economics　Vol. 18　No. 1　2017/12　Research paper (scientific journal)

    Publisher: DE GRUYTER

  6. Replica Core Limit Theorem for Economies with Satiation

    Ken Urai, Hiromi Murakami

    Economic Theory Bulletin　Vol. 5　No. 2　p. 259-270　2017/04　Research paper (scientific journal)

    Publisher: Springer

  7. Replica core equivalence theorem: An extension of the Debreu-Scarf limit theorem to double infinity monetary economies

    Ken Urai, Hiromi Murakami

    JOURNAL OF MATHEMATICAL ECONOMICS　Vol. 66　p. 83-88　2016/10　Research paper (scientific journal)

  8. Fixed point theorems in Hausdorff topological vector spaces and economic equilibrium theory

    Ken URAI, Akihiko YOSHIMACHI

    Advances in Mathematical Economics　2004/01　Research paper (scientific journal)

    Publisher: Springer-Verlag

  9. Why there isn't a complete description of the human society, I: The Individual and Rationality

    Ken URAI

    RIMS Kokyuroku　Vol. 1264　p. 263-269　2002/05　Research paper (scientific journal)

    Publisher: 京都大学数理解析研究所

  10. A generalization of continuity and convexity conditions for correspondences in economic equilibrium theory

    Ken URAI, Takashi HAYASHI

    JAPANESE ECONOMIC REVIEW　Vol. 51　No. 4　p. 583-595　2000/12　Research paper (scientific journal)

  11. Fixed point theorems and the existence of economic equililria based on conditions for local directions of mappings

    Ken URAI

    2000/01　Research paper (scientific journal)

    Publisher: Springer-Verlag

  12. On the existence of equilibria in economies with infinitely many agents and commodities: The direct system of economies

    Ken URAI

    JOURNAL OF MATHEMATICAL ECONOMICS　Vol. 23　No. 4　p. 339-359　1994/07　Research paper (scientific journal)

  13. Direct system of economies with inverse system of price spaces

    Ken URAI

    The Economic Studies Quarterly　Vol. 43　No. 2　p. 154-164　1992/06　Research paper (scientific journal)

    Publisher: 東洋経済新報社

  14. On the existence of Pareto optima and interest competitive equilibria in the generation overlapping exchange economy

    Ken URAI

    The Economic Studies Quarterly　Vol. 41　No. 3　p. 235-246　1990/09　Research paper (scientific journal)

    Publisher: 東洋経済新報社

  15. Peirce 的な双対性の動的均衡と RFSS 方法論における学知 のリアリティ ―2023年度 Problem Session のまとめとして―

    浦井 憲

    プロセス思想（forthcoming）　2025

  16. Fixed Points and Social Equilibrium Existence without Convexity Conditions

    Ken Urai, Akihiko Yoshimachi

    Osaka Economic Papers　Vol. 73　No. 2・3　p. 135-147　2023/12　Research paper (bulletin of university, research institution)

  17. Memento Mori in Medicine and the Universality of Forces from Below: On the Reality of Markets

    Ken Urai, Hiromi Murakami, Daiichi Morii

    Realism for Social Sciences　2023/09　Part of collection (book)

  18. Reality of Public Goods and Public Finances from the General Equilibrium Analysis, with a Case Study in Public Health during the COVID-19 Pandemic

    Ken Urai, Hiromi Murakami, Daisuke Kobayashi

    Realism for Social Sciences　2023/09　Part of collection (book)

  19. On Economic Reality and Medicine: The Recent Pandemic and the 'Misplacement of Concreteness' issue around Death and Life: The Main Points and Outline of the Symposium

    Ken Urai

    Process Studies　Vol. 23　p. 1-8　2023/03　Research paper (scientific journal)

  20. Realism for Social Sciences: On Realism ー To Reexamine the Methodologies of the Social Sciences―

    Yasuto Murata, Hiromi Murakami, Ken Urai

    Process Thought　Vol. 21　p. 64-70　2022/01　Research paper (other academic)

  21. Realism For Social Sciences ―Society, Inquiry, Methodological Process and Reality

    Ken Urai

    Process Studies　Vol. 21　p. 71-85　2022/01　Research paper (scientific journal)

  22. A Generalization of the Social Coalitional Equilibrium Structure

    Ken Urai, Kohei Shiozawa, Hiromi Murakami, Chen Weiye

    Osaka Economic Papers　Vol. 70　No. 1　p. 18-25　2020/06　Research paper (bulletin of university, research institution)

  23. Reconsideration of von Neumann-Morishima Multi-Sectoral Growth Model for Monetary Steady State Existence Problem

    Ken Urai, Satoru Kageyama, Hiromi Murakami

    Osaka Economic Papers　Vol. 69　No. 1　p. 1-10　2019/06　Research paper (bulletin of university, research institution)

  24. On Attainable Set Compactness and Summation of Closed Sets in Debreu 1959 General Equilibrium Arguments without Using Asymptotic Cones

    Ken Urai, Hiromi Murakami

    Osaka Economic Papers　Vol. 68　No. 3・4　p. 28-33　2019/03　Research paper (scientific journal)

  25. On Universal Implementability of Generalized Mechanisms I

    Ken Urai, Hiromi Murakami

    Vol. 68　No. 3・4　p. 21-27　2019/03　Research paper (scientific journal)

  26. A Replica Core Equivalence Theorem for Economy with Satiation

    Urai Ken, Murakami Hiromi

    Vol. 66　No. 1　p. 24-32　2016/06

    Publisher: The Economic Society of Osaka University and Graduate School of Economics, Osaka University

  27. The Universality and Efficiency of Price Mechanism characterized by an Expansion Possibility for Economic Environments

    Urai Ken, Shiraishi Kohzo, Murakami Hiromi

    Vol. 66　No. 1　p. 1-9　2016/06　Research paper (scientific journal)

    Publisher: The Economic Society of Osaka University and Graduate School of Economics, Osaka University

  28. Further Extensions of Fan-Browder Coincidence and Fixed-Point Theorems

    Shiozawa Kohei, Urai Ken

    Vol. 64　No. 2　p. 228-234　2014/09

    Publisher: The Economic Society of Osaka University

  29. General Equilibrium Model and Set Theoretic Finiteness

    Urai Ken, Murakami Hiromi

    Vol. 64　No. 2　p. 259-267　2014/09

    Publisher: The Economic Society of Osaka University

  30. Further extension of Fan-Browder coincidence and fixed point theorems (Special issue to the memory of Dr. Akihiko Yoshimachi)

    Urai Ken, Shiozawa Kohei

    Vol. 66　No. 1　p. 125-132　2014/07

    Publisher: Doshisha University

  31. 経済学的均衡理論（一般均衡理論）が有限性概念の下で閉じたものとなる可能性について

    浦井 憲, 村上 裕美

    同志社商学　Vol. 66　No. 1　p. 133-145　2014/07

  32. An Extension of von Neumann Growth Model and its Application to Overlapping-Generations Models with the Environmental Quality and the Inter-generational Equity Problems

    Kageyama Satoru, Urai Ken

    Vol. 62　No. 3　p. 17-36　2012/12

    Publisher: The Economic Society of Osaka University

  33. Generalization of Dual System Structure on Linear Topological Spaces and Fixed Point Theorems for Multi-valued Mappings

    Ken Urai, Kousuke Yokota

    Osaka Economic Papers　Vol. 56　No. 3　p. 1-11　2006/12　Research paper (bulletin of university, research institution)

  34. Homological Methods for the Economic EquilibriumExistence Problem: Coincidence Theorem and an Analogue of Sperner's Lemma in Nikaido (1959)

    Ken Urai

    Kokyuroku, Research Institute for Mathematical Sciences, Kyoto University　Vol. 1488　p. 25-52　2006/05　Research paper (scientific journal)

    Publisher: Kyoto University

  35. Fixed Points and Economic Equilibria

    Ken Urai

    2005/11　Doctoral thesis

  36. Generalized Dual System Structure and Fixed Point Theorems for Multi-valued Mappings

    Ken URAI, Kousuke YOKOTA

    RIMS Kokyuroku　Vol. 1443　p. 15-26　2005/07　Research paper (scientific journal)

    Publisher: Kyoto University

  37. General Equilibrium Theory for Economy with Asymmetric Information

    Ken URAI, Akihiko YOSHIMACHI

    RIMS Kokyuroku　Vol. 1443　p. 54-59　2005/07　Research paper (scientific journal)

    Publisher: Kyoto University

  38. Morality as a Condition for the Existence of Equilibria in Default Economy

    Ken URAI, Akihiko YOSHIMACHI

    Osaka Economic Papers　Vol. 54　No. 2　p. 1-12　2004/09　Research paper (scientific journal)

    Publisher:

  39. A General Equilibrium Model for an Economy with Asymmetric Information

    Ken URAI, Akihiko YOSHIMACHI

    Osaka Economic Papers　Vol. 54　No. 2　p. 13-19　2004/09　Research paper (scientific journal)

    Publisher:

  40. Fixed Point Theorems and the Existence of Economic Equilibria based on Conditions for Local Directions of Mappings, I

    Ken Urai

    Osaka Economic Papers　Vol. 48　No. 3・4　p. 205-217　1999/03　Research paper (bulletin of university, research institution)

  41. On the existence of Pareto-optima in overlapping generations economies with production

    Ken URAI

    KSU Economic and Business Review (京都産業大学)　Vol. 22　No. 22　p. 113-126　1995/05　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

  42. A non-existence of Pareto-optima in economies with an infinity of agents

    Ken URAI

    1994/05　Research paper (scientific journal)

    Publisher: The Society of Economics and Business Administration, Kyoto Sangyo University

  43. On the generalized price simplex and the boundary condition

    Ken URAI

    The economic and business administration review　Vol. 28　No. 2　p. 42-53　1993/09　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

  44. The echelon construction scheme with functors

    Ken URAI

    The economic and business administration review　Vol. 28　No. 1　p. 151-160　1993/06　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

  45. An extension of the Gale-Nikaido-Debreu lemma to the case with infinitely many excess demand correspondences

    Ken URAI

    KSU Economic and Business Review (京都産業大学)　Vol. 20　No. 20　p. 17-26　1993/05　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

  46. Monetary Equilibria with an Independency of Stock Markets

    Ken URAI

    The economic and business administration review　Vol. 26　No. 2　p. 52-66　1991/09　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

  47. On the existence of Pareto optima in topological vector spaces without complete preferences

    Ken URAI

    KSU Economic and Business Review (京都産業大学)　Vol. 18　No. 18　p. 61-64　1991/05　Research paper (scientific journal)

    Publisher: 京都産業大学経済経営学会

Misc. 13

  1. 経済学と不動点定理

    浦井 憲

    経済セミナー（日本評論社）　No. 662　p. 50-56　2011/11　Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)

  2. 今日の社会科学と量子力学的世界観

    浦井 憲

    数理経済学研究センター会報　No. 42　2010/12　Article, review, commentary, editorial, etc. (other)

  3. アダム・スミスと存在論なき倫理

    浦井 憲

    数理経済学研究センター会報　No. 41　2010/09　Article, review, commentary, editorial, etc. (other)

  4. 社会科学の理論とプラグマティックな立場

    浦井 憲

    数理経済学研究センター会報　No. 40　2010/06　Article, review, commentary, editorial, etc. (other)

  5. 純粋理論としての経済学と倫理

    浦井 憲

    数理経済学研究センター会報　No. 39　2010/03　Article, review, commentary, editorial, etc. (other)

  6. 『倶胝、指を竪てる』

    浦井 憲

    数理経済学研究センター会報　No. 30　2007/12　Article, review, commentary, editorial, etc. (other)

  7. 山水経

    浦井 憲

    数理経済学研究センター会報　No. 23　2006/03　Article, review, commentary, editorial, etc. (other)

  8. 趙州至道無難

    浦井 憲

    数理経済学研究センター会報　No. 11　2003/01　Article, review, commentary, editorial, etc. (other)

  9. 数学を通して物事の真相に迫る---科目別ガイダンス（経済数学）

    浦井 憲

    経済セミナー（日本評論社）臨時増刊号　p. 90-91　1999/04　Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)

  10. 就職活動をする皆さんへ

    浦井 憲

    企業探求セミナー（大阪大学経済学部学生部会）　p. 3-3　2021/11　Other

  11. （書評）経済理論の実践への一歩：矢野 誠著『ミクロ経済学の基礎』

    浦井 憲

    経済セミナー（日本評論社）　No. 559　p. 123-123　2001/08　Book review, literature introduction, etc.

  12. 数学を通して物事の真相に迫る---科目別ガイダンス（経済数学）

    浦井 憲

    経済セミナー（日本評論社）　p. 92-93　1998　Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)

  13. （書評）ゲーム論による国際秩序の解明：吉田和男著『安全保障の経済分析』

    浦井 憲

    経済セミナー（日本評論社）　No. 501　p. 117-117　1996/10　Book review, literature introduction, etc.

Publications 11

  1. Realism for Social Sciences

    Ken Urai, Yoshiyuki Takeuchi, Masaaki Katsuragi

    Springer Nature　2023/10

  2. ミクロ経済学

    浦井, 憲

    培風館　2015/10

    ISBN: 9784563062514

  3. Microeconomics - Static General Equilibrium Theory

    Ken Urai, Akihiko Yoshimachi

    Minerva Shobo　2012/04　Textbook, survey, introduction

    ISBN: 9784623062683

  4. Fixed Points and Economic Equilibria

    Ken Urai

    World Scientific Publishing　2010/05　Scholarly book

    ISBN: 9789812837189

  5. Equilibrium Stability and Growth

    Michio Morishima (Original, Kiyoshi Kuga, Jun Iritani, Hiroaki Nagatani, Ken Urai

    Iwanami　2003/10　Scholarly book

  6. New Developments in the General Equilibrium Theory

    1998/02

    ISBN: 4811549910

  7. 経済学理論の基礎

    福尾, 洋一

    八千代出版　1996/02

    ISBN: 4842909811

  8. Mathematics for Economics

    Kazuya Kamiya, Ken Urai

    Tokyo University Press　1996/01　Textbook, survey, introduction

  9. この数学書がおもしろい 増補新版

    数学書房編集部

    数学書房　2011/07

    ISBN: 9784903342641

  10. この数学書がおもしろい

    青木, 薫, 数学書房編集部

    数学書房　2006/03/01

    ISBN: 4826931018

  11. 阪大経済学ア・ラ・カルト

    大阪大学経済学部, 大阪大学経済学部創設五十周年記念事業委員会

    大阪大学出版会　2000/07/01

    ISBN: 4872590708

Presentations 10

  1. 『宗教性について---社会の全体を含めた知という問題をめぐって』

    浦井 憲, 長久領壱, 守永直幹, 砂川和範

    数理経済学会（方法論分科会）共催シンポジウム　2025/03/21

  2. 猪木先生を囲む座談会『「知」の前提から「市場とデモクラシー」に向けて』

    猪木武徳, 浦井 憲, 村上裕美

    数理経済学会（方法論分科会）共催シンポジウム　2024/09/21

  3. Market and Democracy: Limits and Significance of Science and Technology in Contemporary Society

    Ken Urai, Hiromi Murakami, Ken Shiotani, Ryoichi Nagahisa

    The Japanese Society for Mathematical Economics (Methodology Subcomitiee)　2024/03/19

  4. What is the dynamism of ``the individual,'' ``the many and the organism,'' and ``place'' and their relationships, as analyzed from a Peirce-like dual perspective?

    Ken Urai, Takayuki Tamura

    2023/10/08

  5. Category Theoretic Possibilities for The Logic of The Place of Nothingness

    Ken Urai, Takayuki Tamura, Ken Shiotani

    The Japanese Society for Mathematical Economics (Methodology Subcomitiee)　2023/08/26

  6. Realism as the Methodology of Sciences: On Constitution for the Place of Reality to Enclose our Knowledge

    Ken Urai

    2022/10/02

  7. On Economic Reality and Medicine: The Recent Pandemic and the 'Misplacement of Concreteness' issue around Death and Life

    2022/10/01

  8. Realism for Social Sciences - On Realism and Methodology of Social Sciences

    Yasuto Murata, Ken Urai, Masaaki Katsuragi, Yutaka Tanaka, Izumi Mitsui, Yoshiyuki Takeuchi, Ken Shiotani, Naomiki Morinaga, Takayuki Tamura

    The Japan Society for Process Studies　2020/11/28

  9. Realism for Social Sciences - Reality in Economics and Realism for Social Sciences

    Ken Urai, Masaaki Katsuragi, Takashi Suzuki, Kouta Fukui, Ryoichi Nagahisa, Naomiki Morinaga, Diichi Morii, Daisuke Kobayashi, Ken Shiotani

    Japanese Economic Association　2020/10/10

  10. Whitehead's Philosophy of Civilization and the Formation of Management Thought

    The Japan Society for Process Studies　2021/10/09

Institutional Repository 29

Content Published in the University of Osaka Institutional Repository (OUKA)

  1. In memory of Professor Susumu Koizumi

    Urai Ken

    Osaka Economic Papers　Vol. 74　No. 4　p. 64-65　2025/03

  2. Fixed points and social equilibrium existence without convexity conditions

    Urai Ken, Yoshimachi Akihiko

    Osaka Economic Papers　Vol. 73　No. 2・3　p. 135-147　2023/12

  3. Market Commodity Structure in General Equilibrium Model : The Commodification Technology

    Urai Ken, Murakami Hiromi, Weiye Chen, Yijik Oh

    Discussion Papers In Economics And Business　Vol. 23-10　p. 1-19　2023/09

  4. The State Finance and Public Goods from The General Equilibrium Viewpoint: Fundamental Welfare Theorems for Lindahlian General Equilibrium with Money

    Urai Ken, Murakami Hiromi, Kobayashi Daisuke

    Discussion Papers In Economics And Business　Vol. 23-08　p. 1-12　2023/06

  5. Existence of Monetary Equilibrium for Overlapping Generations Economies with Satiated Agents

    Urai Ken, Murakami Hiromi, Moriya Takahiro

    Discussion Papers In Economics And Business　Vol. 22-03　p. 1-14　2022/08

  6. A Generalization of the Social Coalitional Equilibrium Structure

    Urai Ken, Shiozawa Kohei, Murakami Hiromi, Chen Weiye

    Osaka Economic Papers　Vol. 70　No. 1　p. 18-25　2020/06

  7. Reconsideration of von Neumann-Morishima Multi-Sectoral Growth Model for Monetary Steady State Existence Problem

    Urai Ken, Kageyama Satoru, Murakami Hiromi

    Osaka Economic Papers　Vol. 69　No. 1　p. 1-10　2019/06

  8. On Universal Implementability of Generalized Mechanisms　I

    Urai Ken, Murakami Hiromi

    Osaka Economic Papers　Vol. 68　No. 3‐4　p. 21-27　2019/03

  9. On Attainable Set Compactness and Summation of Closed Sets in Debreu 1959 General Equilibrium Arguments without Using Asymptotic Cones

    Murakami Hiromi, Urai Ken

    Osaka Economic Papers　Vol. 68　No. 3‐4　p. 28-33　2019/03

  10. Stability and Universal Implementability of the Price Mechanism

    Shiraishi Kohzo, Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 18-16　p. 1-8　2018/05

  11. Local Independence, Monotonicity, Incentive Compatibility and Axiomatic Characterization of Price-Money Message Mechanism

    Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 17-08　p. 1-15　2017/04

  12. Stability and Universal Implementability of the Price Mechanism

    Shiraishi Kohzo, Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 17-09　p. 1-6　2017/04

  13. General Equilibrium Model for an Asymmetric Information Economy without Delivery Upper Bounds

    Shiozawa Kohei, Urai Ken, Yoshimachi Akihiko

    Discussion Papers In Economics And Business　Vol. 13-27-Rev.2　p. 1-23　2017/03

  14. A Replica Core Equivalence Theorem for Economy with Satiation

    Murakami Hiromi, Urai Ken

    Osaka Economic Papers　Vol. 66　No. 1　p. 24-32　2016/06

  15. The Universality and Efficiency of Price Mechanism characterized by an Expansion Possibility for Economic Environments

    Shiraishi Kohzo, Urai Ken, Murakami Hiromi

    Osaka Economic Papers　Vol. 66　No. 1　p. 1-9　2016/06

  16. Universality and Efficiency of Price Mechanism based on an Expansion Possibility of Economies

    Shiraishi Kohzo, Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 16-10　p. 1-9　2016/05

  17. Local Independence, Monotonicity and Axiomatic Characterization of Price-Money Message Mechanism

    Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 16-8　p. 1-11　2016/04

  18. Replica Core Limit Theorem for Economy with Satiation

    Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 16-9　p. 1-7　2016/04

  19. An Axiomatic Characterization of the Price-Money Message Mechanism

    Murakami Hiromi, Urai Ken

    Discussion Papers In Economics And Business　Vol. 15-31-Rev.　p. 1-10　2016/03

  20. Replica Core Equivalence Theorem : An Extension of the Debreu-Scarf Limit Theorem to Double Infinity Monetary Economies

    Urai Ken, Murakami Hiromi

    Discussion Papers In Economics And Business　Vol. 14-35-Rev.2　p. 1-6　2015/05

  21. Further Extensions of Fan-Browder Coincidence and Fixed-Point Theorems

    Urai Ken, Shiozawa Kohei

    Osaka Economic Papers　Vol. 64　No. 2　p. 228-234　2014/09

  22. General Equilibrium Model and Set Theoretic Finiteness

    Urai Ken, Murakami Hiromi

    Osaka Economic Papers　Vol. 64　No. 2　p. 259-267　2014/09

  23. General Equilibrium Model with Information Asymmetry and Commodity-Information Technologies

    Shiozawa Kohei, Urai Ken, Yoshimachi Akihiko

    Discussion Papers In Economics And Business　Vol. 14-02　p. 1-9　2014/01

  24. An Extension of von Newmann Growth Model and its Application to Overlapping-Generations Models with the Environmental Quality and the Inter-generational Equity Problems

    Urai Ken, Kageyama Satoru

    Osaka Economic Papers　Vol. 62　No. 3　p. 17-36　2012/12

  25. Financial Structure and Social Coalitional Equilibrium

    Urai Ken, Yoshimachi Akihiko, Yokota Kousuke

    Discussion Papers In Economics And Business　Vol. 09-41　2009/12

  26. Generalization of Dual System Structure on Linear Topological Spaces and Fixed Point Theorems for Multi-valued Mappings

    Urai Ken, Yokota Kousuke

    Osaka Economic Papers　Vol. 56　No. 3　p. 1-12　2006/12

  27. Social Recognition and Economic Equilibrium

    Urai Ken

    Discussion Papers In Economics And Business　Vol. 06-30　2006/12

  28. A Generalization of Continuity and Convexity Conditions for Correspondence in the Economic Equilibrium Theory

    Urai Ken, Hayashi Takashi

    Discussion Papers In Economics And Business　Vol. 99-08　1999/05

  29. Fixed Points and Economic Equilibria

    浦井 憲