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A theoretical analysis of individual fertility behavior under incomplete financial markets

Research Project

Project/Area Number 16K17086
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Economic theory
Research InstitutionKagawa University

Principal Investigator

Miyazaki Koichi  香川大学, 経済学部, 准教授 (80749713)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords出生行動 / 金融市場の不完備性 / 重複多世代モデル / 借入制約 / 賦課方式の年金制度 / 人的資本投資 / 外生的な借入制約 / 内生的な借入制約 / 引退行動 / 出生率 / 子育て支援制度 / 経済理論 / 経済政策
Outline of Final Research Achievements

First, this project designed optimal pay-as-you-go pension and child allowances when the population growth rate and an old agent's retirement behavior are endogenously determined. This suggests that it is necessary to take an old agent's retirement behavior into account when people design public policies. Second, I analyzed how individual borrowing constraints affect his/her fertility behavior analytically. In this project, I showed the possibility that the fertility rate could rise when the financial market is not perfect. It is good for an individual to have a child if he/she can borrow more easily, while capital accumulation drops if an individual borrows too much. This trade-off is a key to determine an individual's fertility behavior.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (6 results)

All 2018 2017 2016 Other

All Int'l Joint Research (2 results) Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (2 results) (of which Int'l Joint Research: 2 results) Remarks (1 results)

  • [Int'l Joint Research] 国際台湾大学(台湾)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] 国立台湾大学(台湾)

    • Related Report
      2016 Research-status Report
  • [Journal Article] Fertility and labor supply of the old with pay-as-you-go pension and child allowances2018

    • Author(s)
      Chen Hung-Ju、Miyazaki Koichi
    • Journal Title

      The B.E. Journal of Macroeconomics

      Volume: 18 Issue: 1

    • DOI

      10.1515/bejm-2016-0182

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Benefits of borrowing constraints in an endogenous growth model2017

    • Author(s)
      Miyazaki Koichi
    • Organizer
      2017 Asian Meeting of the Econometric Society
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fertility and labor supply of the old with pay-as-you-go pension and child allowances2016

    • Author(s)
      宮崎 浩一
    • Organizer
      2016 Taipei International Conference on Growth, Trade and Dynamics
    • Place of Presentation
      Academia Sinica, Taiwan
    • Year and Date
      2016-06-23
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Remarks] Koichi Miyazaki's Web Page

    • URL

      https://sites.google.com/view/koichimiyazaki/home

    • Related Report
      2017 Annual Research Report

URL: 

Published: 2016-04-21   Modified: 2022-08-18  

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