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Empirical Analysis of Work-Life Balance Policies and Income Distribution among Married Couples in Japan

Research Project

Project/Area Number 15K03517
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Public finance/Public economy
Research InstitutionNagoya City University

Principal Investigator

Morita Yoko  名古屋市立大学, 大学院経済学研究科, 教授 (00326159)

Co-Investigator(Kenkyū-buntansha) 坂本 和靖  群馬大学, 社会情報学部, 准教授 (40470108)
Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords所得格差 / 女性就業 / 夫妻所得 / 階層移動 / ライフコース / ワーク・ライフ・バランス / 育児休業 / ライフ・コース選択 / ダグラス・有沢の法則 / 所得階層移動 / 消費生活に関するパネル調査
Outline of Final Research Achievements

This study analyzes the impact of continued post-childbirth employment by married women on married couples' income mobility, using Wave 11-24 (2003-2016) of the Japanese Panel Survey of Consumers.
The findings are as follows: first, continuous employment or taking childcare leave makes a couple’s income transition upward, and the upward effect is larger as the husband’s income is higher. Second, however, by taking the endogeneity of women’s income level and continuous employment or taking childcare leave into account, the upward effect could only be observed in couples where the husband earned a high income. Third, the upward effect expired within 10 years following the first child’s birth.
These findings suggest that work-life balance policies aiming to support continued postpartum employment by married women have possibilities to increase income inequality among married couples in the future.

Academic Significance and Societal Importance of the Research Achievements

本稿の学術的意義は、近年「単独世帯」が増加し全世帯の3割強を占めているが、まだ約半数は「夫婦のみ」や「夫婦と子どものみ」などからなる核家族世帯から構成されている。妻の所得が夫婦単位の所得格差に対し、どのような影響を持つかを精査することは、社会全体の所得格差の解明においても必要な検証であることである。
社会的意義は、近年日本でも育児休業制度などのワーク・ライフ・バランス施策が企業や社会において普及しつつある。ワーク・ライフ・バランス施策の目的の1つは女性の継続的な就労支援である。本研究により、ワーク・ライフ・バランス施策の意義を所得分配の観点から検討することができる。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (21 results)

All 2018 2017 2016

All Journal Article (6 results) (of which Open Access: 1 results,  Acknowledgement Compliant: 3 results,  Peer Reviewed: 1 results) Presentation (15 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] 妻のキャリア選択や育児休業取得が所得階層移動に与える影響の推定2018

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Journal Title

      名古屋市立大学 Discussion Papers in Economics

      Volume: 625 Pages: 1-21

    • Related Report
      2017 Research-status Report
  • [Journal Article] 妻の所得が夫妻所得の格差に与える影響に関する分析: 妻の就業、就業履歴と所得格差2017

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Journal Title

      国際公共政策研究

      Volume: 22 Pages: 37-48

    • NAID

      120006349393

    • Related Report
      2017 Research-status Report
    • Open Access
  • [Journal Article] 女性のライフコースと夫婦の所得格差2017

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Journal Title

      Discussion Papers in Economics, The Society of Economics, Nagoya City University

      Volume: No.614

    • Related Report
      2016 Research-status Report
  • [Journal Article] 名古屋市の有配偶女性の就業行動とその決定要因2017

    • Author(s)
      森田(山本)陽子
    • Journal Title

      国際地域経済研究

      Volume: 第18号

    • NAID

      40022389640

    • Related Report
      2016 Research-status Report
    • Acknowledgement Compliant
  • [Journal Article] The Impact of Afterschool Childcare on the “First-grade Wall”: Labor Supply of Mothers with School Age Children in Japan2017

    • Author(s)
      Yoko Morita and Kazuyasu Sakamoto
    • Journal Title

      The Empirical Economics Letters

      Volume: Vol.16, No.3

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 愛知県の保育サービス施策と少子化動向 -愛知県市町村データによる分析-2016

    • Author(s)
      焼田党・森田(山本)陽子
    • Journal Title

      国際地域経済学研究

      Volume: 17 Pages: 15-28

    • NAID

      40020951695

    • Related Report
      2015 Research-status Report
    • Acknowledgement Compliant
  • [Presentation] Women’s Employment, Childcare Leaves and Earnings Mobility among Married Couples in Japan2018

    • Author(s)
      森田陽子
    • Organizer
      2018 APEF Conference
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Women’s Employment, Childcare Leaves and Earnings Mobility among Married Couples in Japan2018

    • Author(s)
      森田陽子・坂本和靖
    • Organizer
      The 35th IARIW General Conference
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Women’s Career Decisions and Earnings Disparities among Married Couples in Japan-就業継続,育児休業と夫婦所得分布2018

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      平成29年度研究集会「ミクロデータから見た我が国の社会・経済の実像」
    • Related Report
      2017 Research-status Report
  • [Presentation] 就業継続,育児休業と夫婦所得分布2018

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      2017年度サブ・クラスター研究報告会
    • Related Report
      2017 Research-status Report
  • [Presentation] Women’s Career Decisions and Earnings Disparities among Married Couples in Japan2017

    • Author(s)
      Kazuyasu Sakamoto and Yoko Morita
    • Organizer
      Asia-Pacific Conference on Economics & Finance, 2017
    • Place of Presentation
      Singapore
    • Year and Date
      2017-07-27
    • Related Report
      2016 Research-status Report
  • [Presentation] 妻の働き方が夫婦の所得階層に与える影響2017

    • Author(s)
      坂本和靖・森田陽子
    • Organizer
      生活経済学会
    • Place of Presentation
      東北福祉大学
    • Year and Date
      2017-06-24
    • Related Report
      2016 Research-status Report
  • [Presentation] 妻の働き方が夫婦の所得階層に与える影響2017

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      生活経済学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Women’s Career Decisions and Earnings Disparities among Married Couples in Japan2017

    • Author(s)
      坂本和康・森田(山本)陽子
    • Organizer
      Singapore Economic Review Conference
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Women’s Career Decisions and Earnings Disparities among Married Couples in Japan2017

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      日本経済学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 妻が働くことは所得格差を生み出すのか?2017

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      第17回パネル調査・コンファレンス
    • Related Report
      2017 Research-status Report
  • [Presentation] 女性の就業行動と所得階層移動2017

    • Author(s)
      坂本和靖・森田陽子
    • Organizer
      研究集会「ミクロデータから見た我が国の社会・経済の実像」
    • Place of Presentation
      一橋大学東キャンパス第3研究館研究会議室
    • Related Report
      2016 Research-status Report
  • [Presentation] 女性の就業行動と所得階層移動2017

    • Author(s)
      坂本和靖・森田陽子
    • Organizer
      「中高年者縦断調査を利用した高齢者の行動に関するグローバル観点からの学際研究-雇用・年金・医療・介護に関する実証分析-」ワークショップ
    • Place of Presentation
      関西学院大学東京丸の内キャンパス
    • Related Report
      2016 Research-status Report
  • [Presentation] The Impact of Formal Afterschool Childcare on the ‘First-grade Wall’: Labor Supply of Mothers with School-Age Children in Japan2016

    • Author(s)
      Yoko Morita・Kazuyasu Sakamoto
    • Organizer
      The 25th IAFFE Annual Conference
    • Place of Presentation
      National University of Ireland, Galway
    • Year and Date
      2016-06-24
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 妻の所得と世帯間所得格差-所得源泉別不平等への貢献度計測-2016

    • Author(s)
      坂本和靖・森田(山本)陽子
    • Organizer
      平成27年度研究集会「ミクロデータから見た我が国の社会・経済の実像」
    • Place of Presentation
      一橋大学経済研究所
    • Year and Date
      2016-03-17
    • Related Report
      2015 Research-status Report
  • [Presentation] 妻の所得が所得格差に与える影響2016

    • Author(s)
      坂本和靖
    • Organizer
      『高齢化社会における世代間資産移転と家族関係に 関する実証研究』プロジェクト研究会
    • Place of Presentation
      法政大学
    • Related Report
      2016 Research-status Report

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Published: 2015-04-16   Modified: 2020-03-30  

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