| Project/Area Number |
16K21110
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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 |
Economic theory
Economic policy
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| Research Institution | Kobe University (2018-2019)
Kyoto University (2016-2017) |
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Principal Investigator |
Kanehara daishoku 神戸大学, 経済学研究科, 特別研究員(PD) (60739960)
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| Project Period (FY) |
2016-04-01 – 2020-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Keywords | 経済成長理論 / R&D / 内生的技術進歩 / R&Dサイクル / 人口成長 / 研究開発の質 / 内生的成長理論 / 研究開発投資 / 特許 / 特許の質 / マクロ経済学 / 経済政策 |
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| Outline of Final Research Achievements |
In this project, we construct R&D cycles models based on Matsuyama (1999), which can incorporate endogenous technical progress, capital accumulation, and population growth simultaneously, and analyze the heterogeneous quality of ideas
in Romer model.
We obtain the following four results:(1) Exogenous population growth can induce medium-term cycles through endogenous technical progress. (2) R&D cycles driven by population growth can explain seemingly contradictory empirical results on scale effects. (3) Horizontal R&D in a hybrid R&D cycles model can determine the medium-term cycles. (4) Construct an analytically tractable Romer (1990) type model with heterogeneous quality of ideas.
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| Academic Significance and Societal Importance of the Research Achievements |
本プロジェクトで実施した，様々な成長要素を同時に扱え，かつSchumpeter (1942)が指摘したR&Dを伴った循環的変動を説明可能な内生的成長モデルは，経済成長を促進するにおいて，長期的な成長と，中期的な成長の間に様々なトレードオフ関係が存在するケースが生じうることを示唆しており，これらの可能性を考慮することは実際に経済成長戦略を立案するに当たっても重要であると考えられる．
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