2021 Fiscal Year Final Research Report
The role of mobile capital in the system of spatial economy: Focusing on regional inequality and trade policies
Project/Area Number |
16K03629
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Economic policy
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Research Institution | Osaka City University (2019-2021) Kagawa University (2016-2018) |
Principal Investigator |
Takatsuka Hajime 大阪市立大学, 大学院経済学研究科, 教授 (50304572)
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Project Period (FY) |
2016-04-01 – 2022-03-31
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Keywords | 空間経済学 / 可動資本 / 地域間格差 / 貿易政策 |
Outline of Final Research Achievements |
In the field of New (New) Trade Theory and Spatial Economics, many researchers examine the cause and effect of regional inequality and trade policies. However, most of them are based on on-factor models only with labor as production factor, and neglect the existence of mobile capital, although it can drastically change the results. In the present study, therefore, I develop several spatial-economy models with mobile capital, and mainly implement the following three analyses: (1) an analysis of regional inequalities considering elastic labor supply, (2) effects of a common tax on greenhouse gas emissions on regional inequalities, (3) an analysis of optimal tariff and tariff war.
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Free Research Field |
空間経済学,都市・地域経済学,国際貿易
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Academic Significance and Societal Importance of the Research Achievements |
可動資本を組み入れた独占的競争モデルはFootloose Capital (FC)モデルと呼ばれ,空間経済学の分野で多く用いられている.しかしそのほとんどは簡単化のため輸送費用なしで貿易できる財(outside goods)を仮定しており,そのため国際賃金格差が生じない非現実的なモデルとなっている.本研究では一貫してoutside goodsを仮定しないFCモデルをベースとしており,内生的な賃金格差を踏まえることができる利点を持っている.資本が自由に移動するグローバルな現代社会においては,1要素モデルの分析は限界があり,本研究のアプローチは学術的にも社会的にも高い意義を持つと思われる.
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