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Can equity bubble be predictable? Identifying the bubble generating mechanism through a novel indicator

Research Project

Project/Area Number 17K13761
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Money/ Finance
Research InstitutionYokohama National University

Principal Investigator

Suzuki Masataka  横浜国立大学, 大学院国際社会科学研究院, 准教授 (30625984)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords株式バブル / 曖昧性 / バブル / 株式 / 金融 / ファイナンス
Outline of Final Research Achievements

In this research, we succeed in quantifying equity bubble through market data. And, it is shown that i)our indicator serves as an anchor of equity price, ii)the deviation of equity price from our indicator predicts future equity returns, and iii)both monetary easing and optimistic expectation of investors can cause equity bubble. These findings have a realistic meaning as well as academic contribution.

Academic Significance and Societal Importance of the Research Achievements

本研究では、特定の経済モデルを仮定することなく、市場データから直接株式バブルを定量化することに成功した。これによって、既存研究では恣意性の強かった株式バブルの生成過程を、極力客観的な手続きを通じて明らかにすることが可能となった。本研究の結果は、資産価格理論、マクロ経済政策ならびに市場制度設計といった研究分野への学術的波及が期待されるだけでなく、現実にバブルへの対処法を議論する際にも大いに役立つものと思われる。

Report

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

    (4 results)

All 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results)

  • [Journal Article] 株式バブルの発生メカニズムとその識別2019

    • Author(s)
      鈴木雅貴
    • Journal Title

      Gendai Finance

      Volume: 41 Issue: 0 Pages: 1-25

    • DOI

      10.24487/gendaifinance.410003

    • NAID

      130007739919

    • ISSN
      2433-4464
    • Year and Date
      2019-10-31
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Continuous-time smooth ambiguity preferences2018

    • Author(s)
      Suzuki Masataka
    • Journal Title

      Journal of Economic Dynamics and Control

      Volume: 90 Pages: 30-44

    • DOI

      10.1016/j.jedc.2018.01.042

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 株式バブルの発生メカニズムとその識別2019

    • Author(s)
      鈴木雅貴
    • Organizer
      一橋大学金融研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 株式バブルの発生メカニズムとその識別2019

    • Author(s)
      鈴木雅貴
    • Organizer
      日本ファイナンス学会
    • Related Report
      2018 Research-status Report

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

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