2022 Fiscal Year Final Research Report
Decision-making issues and their aggregation in political process and economic policy
| Project/Area Number |
19K23188
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Multi-year Fund |
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| Review Section |
0107:Economics, business administration, and related fields
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| Research Institution | Musashi University (2021-2022)
The University of Tokyo (2019-2020) |
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Principal Investigator |
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| Project Period (FY) |
2019-08-30 – 2023-03-31
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| Keywords | 政治的信頼 / チープトーク / 利益団体 / 汚職 |
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| Outline of Final Research Achievements |
Through this research project, we use behavioral economics and game theory to clarify (1) the relationship between the dynamics of political trust and interest group politics and (2) the relationship between opposition and accountability in parliamentary politics.In (1), we analyzed how the interaction between political distrust and interest group politics leads to diachronic changes in political distrust. The results showed that there is an environment in which a cycle of political trust occurs.In (2), we showed that even if the opposition party's approval or disapproval of a bill is informative to voters, it does not contribute to the ruling party's accountability as long as the approval or disapproval itself is cheap talk.
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| Free Research Field |
Political Economics
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| Academic Significance and Societal Importance of the Research Achievements |
近年、ポピュリズムや陰謀論などに代表されるような政治現象が注目されてきている。その原因の一つとして政治信頼の低下や野党の価値が注目されている。本研究成果では、政治的信頼と汚職の関係性と長期動学に関する性質及び野党の議会における行動(法案への賛否)が有権者の投票行動に与える影響という、上記の政治現象を考えるうえで重要な基礎研究を行った。この議論を積み上げることで、上記の政治現象の理論的解明とその社会厚生的問題点について解明されることが期待される。
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