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Causal Inference on Voter Turnout by Exploiting As-if Random Timing of Municipal Elections

Research Project

Project/Area Number 16K13340
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Politics
Research InstitutionGakushuin University

Principal Investigator

Fukumoto Kentaro  学習院大学, 法学部, 教授 (50272414)

Project Period (FY) 2016-04-01 – 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 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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自然実験 / 月齢 / 統一地方選挙 / 選挙権年齢
Outline of Final Research Achievements

(1) Gender gap in voter turnout is equal to around 2.8 percentage points on average. It decreases to 2.4 on the day of a new moon and increases to 3.3 on the day of a crescent moon. (2) If the proportion of first time voters among 20 year old citizens increases from 0% to 100%, their turnout raise by 8 percentage points. (3) Against expectation, voter turnout of simultaneous local elections is lower by 5 to 6 percentage points than others'. (4) As expected, voter turnout of mayoral (or assembly) elections concurrent with their counterpart assembly (or mayoral) election is significantly higher by 10 (or 8) percentage points than others'.

Academic Significance and Societal Importance of the Research Achievements

市町村選挙のタイミングがランダムであることを利用するので、投票率に影響する要因を分析するにあたって、省略変数バイアスを免れることができ、厳密な因果推論が可能となる。また月齢と投票率との関係は、生物学・医学などの理系分野にまで絡む問題である。
そもそも統一地方選を行う理由としてよく挙げられるのは、「住民の地方選挙に対する関心が高まり、自治意識の向上が図られる」つまり投票率が上がる、ということであるが、本研究はその実証的な根拠に疑問を投げかける意義がある。また若者の投票率が低い中で選挙権年齢が引き下げられる今日、20歳台前半の投票率を上げる一方策を示唆する意義がある。

Report

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

    (13 results)

All 2018 2017 2016

All Presentation (13 results) (of which Int'l Joint Research: 9 results,  Invited: 1 results)

  • [Presentation] First-Time Voter Boost of Turnout: A New Identification Strategy.2018

    • Author(s)
      Kentaro Fukumoto and Maiko Shoji
    • Organizer
      Midwest Political Science Association
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The Effect of Candidate List Position on Vore Share: Improving Internal and External Validity.2018

    • Author(s)
      Kentaro Fukumoto and Class of 2018, Fast Track Course
    • Organizer
      Midwest Political Science Association
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] After a Storm Come Votes: The Electoral Consequences of Disaster Relief2018

    • Author(s)
      Kentaro Fukumoto, Kyosuke Kikuta, and Masato Yanagi
    • Organizer
      Society for Political Methodology
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] After a Storm Come Votes: The Electoral Consequences of Disaster Relief2018

    • Author(s)
      Kentaro Fukumoto, Kyosuke Kikuta, and Masato Yanagi
    • Organizer
      American Political Science Association
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The Effect of Candidate List Position on Vore Share: Improving Internal and External Validity.2018

    • Author(s)
      Kentaro Fukumoto and Class of 2018, Fast Track Course
    • Organizer
      Election Passport Conference on Senates
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Non-Ignorable Attrition in Pairwise Randomized Experiments.2017

    • Author(s)
      Kentaro Fukumoto
    • Organizer
      Midwest Political Science Association
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] First-Time Voter Boost of Turnout: A New Identification Strategy.2017

    • Author(s)
      Kentaro Fukumoto and Maiko Shoji
    • Organizer
      日本選挙学会
    • Related Report
      2017 Research-status Report
  • [Presentation] The Effect of Candidate List Position on Vore Share: Improving Internal and External Validity.2017

    • Author(s)
      Kentaro Fukumoto and Class of 2018, Fast Track Course
    • Organizer
      日本選挙学会
    • Related Report
      2017 Research-status Report
  • [Presentation] The Effect of Candidate List Position on Vore Share: Improving Internal and External Validity.2017

    • Author(s)
      Kentaro Fukumoto and Class of 2018, Fast Track Course
    • Organizer
      Society for Political Methodology
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Non-Ignorable Attrition in Pairwise Randomized Experiments.2017

    • Author(s)
      Kentaro Fukumoto
    • Organizer
      American Political Science Association
    • Related Report
      2017 Research-status Report
  • [Presentation] Gender Gap in Voter Turnout by Moon Age: A Circular Data Analysis2016

    • Author(s)
      Fukumoto, Kentaro
    • Organizer
      American Political Science Association
    • Place of Presentation
      Philadelphia
    • Year and Date
      2016-09-01
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Gender Gap in Voter Turnout by Moon Age: A Circular Data Analysis2016

    • Author(s)
      Fukumoto, Kentaro
    • Organizer
      日本選挙学会研究会
    • Place of Presentation
      日本大学
    • Year and Date
      2016-05-14
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Gender Gap in Voter Turnout by Moon Age: A Circular Data Analysis2016

    • Author(s)
      Fukumoto, Kentaro
    • Organizer
      Midwest Political Science Association
    • Place of Presentation
      Chicago
    • Year and Date
      2016-04-07
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2020-03-30  

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