Hosoya Yuhki

ホソヤユウキ | Hosoya Yuhki

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://stairlimit.html.xdomain.jp/

Research field (5)： Applied mathematics and statistics , Theoretical economics , Theoretical economics , Theoretical economics , Theoretical economics

Research keywords (13)： Frobenius' Theorem , Hamilton-Jacobi Equation , Partial Differential Equations , Variational Method , Macroeconomics , Microeconomics , Theoretical Economics , Optimization Theory , Integrability Theory , Game Theory , Dynamic Programming , General Equilibrium Theory , Consumer Theory

Research theme for competitive and other funds (3)：

2021 - 2024 On Applications for partial differential equations in non-smooth systems to consumer theory and econometric theory
2018 - 2021 積分可能性理論のnon-smooth的展開とその計量経済学的応用について
2014 - 2018 A Characterization of Solutions for Cooperative Fuzzy Games: Solutions via Markets and Mechanism Design

Papers (52)：

Yuhki Hosoya. Non-smooth integrability theory. Economic Theory. 2024. 78. 475-520
Masataka Eguchi, Yuhki Hosoya, Mai Yamada. The consumption multiplier of government spending: the role of substitutability between government spending and leisure. Economics Letters. 2024. 111557-111557
Yuhki Hosoya. On the fragility of the basis on the Hamilton-Jacobi-Bellman equation in economic dynamics. Journal of Mathematical Economics. 2024. 111. 102940-102940
Yuhki Hosoya. A Rigorous Proof of the Index Theorem for Economists. Communications in Economics and Mathematical Sciences. 2023. 2. 11-30
Yuhki Hosoya. On the basis of the Hamilton-Jacobi-Bellman equation in economic dynamics. Physica D: Nonlinear Phenomena. 2023. 446. 133684-133684

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Books (3)：

Theory of Extremal Problems
Chisen Shokan 2017 ISBN:9784862852519
The Origin and Extensions of Mathematical Economics
2015
A Theory for Calculating Utility Functions
Mitsubishi Economic Research Institute 2010

Lectures and oral presentations (57)：

The Hamilton-Jacobi-Bellman Equation in Economic Dynamics with a Non-Smooth Fiscal Policy
(Mathematical Economics 2024 workshop 2024)
Relationship between Consumer Theories with and without Utility Maximization
(The 30th Decentralized Conference 2024)
Relationship between Consumer Theories with and without Utility Maximization
(JEA Autumn Meeting 2024 2024)
Non-Smooth Integrability Theory
(2023 Mathematical Economics workshop 2023)
Utilitarian Theorems and Equivalence of Utility Theories
(2023 Autumn Meeting of Japanese Economic Association 2023)

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Education (3)：

2004 - 2010 Keio University Graduate School of Economics (Doctor)
2002 - 2004 Keio University Graduate School of Economics (Master)
1998 - 2002 Keio University Department of Economics

Professional career (1)：

Ph.D (economics) (Keio University)

Work history (7)：

2023/04 - 現在 Chuo University Faculty of Economics Professor
2019/04 - 2023/03 Chuo University Faculty of Economics Associate Professor
2017/04 - 2019/03 Kanto-Gakuin University College of Economics associate professor
2014/04 - 2017/03 Kanto-Gakuin University Department of Economics full-time lecturer
2008/04 - 2011/03 Keio University Department of Economics GS administrator

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Committee career (2)：

2020/04 - 現在 Japanese Society of Mathematical Economics 評議員
2019/04 - 2023/03 Japanese Society of Mathematical Economics 研究集会担当理事

Association Membership(s) (2)：

JAPANESE ECONOMIC ASSOCIATION , The Japanese Society for Mathematical Economics

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