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Investigation of investor biases in the mutual funds

Research Project

Project/Area Number 25380390
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Money/ Finance
Research InstitutionHitotsubashi University

Principal Investigator

ITO Akitoshi  一橋大学, 大学院国際企業戦略研究科, 教授 (80307371)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords投資信託 / 金融グループ / IPO / メインバンク / ファンド / 投資家バイアス / 保有銘柄
Outline of Final Research Achievements

The purpose of this study is to examine whether the relationship between the target company held by the mutual fund and the financial group having the mutual fund affects portfolio holdings and performance of the mutual fund. Our primary findings indicate that there is no systematic relationship between fund holdings and financial group membership. However, when we focus on the IPO firms, several interesting findings emerge. Regarding underwriting of IPO stocks, our empirical results are consistent with the conflict of interest hypothesis - main banks in financial group use their private information obtained from previous lending relations to underwrite low-quality IPOs. As for allocation of IPO stocks, when the conflicts of interests are concerned, financial groups are extremely careful not to allocate IPO stocks to mutual funds, possibly fearing the government’s intervention.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (1 results)

All 2016

All Presentation (1 results)

  • [Presentation] How Do Financial Conglomerates Determine Underwriting and Allocation of IPOs?2016

    • Author(s)
      伊藤彰敏
    • Organizer
      日本ファイナンス学会第24回大会
    • Place of Presentation
      横浜国立大学(神奈川県・横浜市)
    • Year and Date
      2016-05-21
    • Related Report
      2015 Annual Research Report

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Published: 2014-07-25   Modified: 2019-07-29  

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