| Project/Area Number |
23730254
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Applied economics
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| Research Institution | Nihon University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 空間経済学 / 所得効果 / 競争促進効果 / 企業淘汰効果 / 輸送費用 / 通勤費用 / 構造推定 / カウンターファクチュアル / マークアップ / 生産性 / 都市規模分布 / 価格競争効果 |
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| Outline of Final Research Achievements |
I developed a general equilibrium model of monopolistic competition with income effects, pro-competitive effects and firm selection effects. Building the spatial economy model with trade costs between cities and commuting costs within cities, I showed theoretically agglomeration and dispersion forces, both of which are determinants of city sizes. I then analyzed qualitatively how changes in trade costs and commuting costs affect city sizes, land rents, wages, markups, productivity and utility. Furthermore, using data on US metropolitan statistical areas, I structurally estimated the spatial economy model and conducted counterfactual experiments. Quantifying the actual equilibrium with spatial frictions and the counterfactual equilibrium without them revealed the role of spatial frictions for moving people and shipping goods from a quantitative perspective.
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