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Study for progressive income taxation and macroeconomic stability

Research Project

Project/Area Number 17K03755
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Public finance/Public economy
Research InstitutionOtaru University of Commerce

Principal Investigator

Amano Daisuke  小樽商科大学, 商学部, 准教授 (50601689)

Co-Investigator(Kenkyū-buntansha) 板谷 淳一  北海道大学, 経済学研究院, 教授 (20168305)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords累進所得税制 / 個人の異質性 / 均衡経路の不決定性 / 内生的経済成長 / 経済政策 / マクロ経済動学 / 累進課税 / 租税政策 / 財政学 / 経済成長 / 累進課税制度 / 経済安定性
Outline of Final Research Achievements

We analyzed theoretically how the tax reform in progressive income taxation has long-term effects on the likelihood of the indeterminacy of an equilibrium path, endogenous growth rate and income ratio among individuals through built-in-stabilizer of fiscal policy.
In our model, we considered a growing economy that consists of many heterogeneous agents with a different preference, instead of assuming the representative agent setting in the existing models. Moreover, we assumed that the government sets different tax rates and the degrees of progressive capital and labor income taxes, in place of the uniform, comprehensive income taxation which the existing studies supposed. We investigated qualitatively and qualitatively to what extent a change in the degrees of progressive capital and labor income taxes affects macroeconomic stabilization and prevents from economic fluctuations.

Academic Significance and Societal Importance of the Research Achievements

本研究では既存研究が想定した代表的家計に対する非線形的の包括所得税制度を前提とせず、個人間に選好の異質性を仮定して個人所得を資本所得と労働所得に分割することで現実的なモデルを構築しただけでなく、個人間の所得分配の格差を考慮した累進型の要素所得税制の改正による波及効果に関して、より適切な政策的示唆が得られた。
先行研究は包括所得税率を現在所得と均斉成長経路における所得水準との比に依存させているが、現実の政府はそのような所得水準を事前に把握できないためこのような税率構造は現実には存在しない。本研究では各限界税率を現時点での平均所得と比較した個人の相対所得を基準にするという点で独創的な研究といえる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (1 results)

All 2020

All Journal Article (1 results) (of which Open Access: 1 results)

  • [Journal Article] 政府によるインフラのメンテナンスが経済成長に及ぼす影響2020

    • Author(s)
      天野大輔
    • Journal Title

      経済学研究 北海道大学

      Volume: 69-2 Pages: 111-125

    • NAID

      120006841100

    • Related Report
      2019 Annual Research Report
    • Open Access

URL: 

Published: 2017-04-28   Modified: 2021-02-19  

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