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Overconfidence among professional investors: Evidence from mutual fund managers

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  • Pütz, Alexander
  • Ruenzi, Stefan

Abstract

We examine overconfidence among equity mutual fund managers. While overconfidence has been extensively documented among retail investors, evidence from professional investors is scarce. Consistent with theories of overconfidence, we find that fund managers trade more after good past performance. The higher trading activity after good performance is driven by individual portfolio performance, while the market performance has no significant impact. We rule out some alternative explanations for our results like increased trading as a response to tournament incentives, as a response to inflows, or as a rational reaction due to managerial learning about abilities.

Suggested Citation

  • Pütz, Alexander & Ruenzi, Stefan, 2010. "Overconfidence among professional investors: Evidence from mutual fund managers," CFR Working Papers 08-08 [rev.], University of Cologne, Centre for Financial Research (CFR).
  • Handle: RePEc:zbw:cfrwps:0808r
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    Citations

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    Cited by:

    1. Christina E. Bannier & Milena Neubert, 2016. "Actual and perceived ?nancial sophistication and wealth accumulation: The role of education and gender," Working Papers 1605, Gutenberg School of Management and Economics, Johannes Gutenberg-Universität Mainz.
    2. Palomino, Frederic & Sadrieh, Abdolkarim, 2011. "Overconfidence and delegated portfolio management," Journal of Financial Intermediation, Elsevier, vol. 20(2), pages 159-177, April.
    3. Chen, XiaoHua & Lai, Yun-Ju, 2015. "On the concentration of mutual fund portfolio holdings: Evidence from Taiwan," Research in International Business and Finance, Elsevier, vol. 33(C), pages 268-286.
    4. repec:spt:apfiba:v:8:y:2018:i:3:f:8_3_5 is not listed on IDEAS
    5. Gloede, Oliver & Menkhoff, Lukas, 2011. "Financial professionals' overconfidence:Is it experience, function, or attitude?," Hannover Economic Papers (HEP) dp-428, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
    6. repec:cup:jfinqa:v:52:y:2017:i:02:p:737-750_00 is not listed on IDEAS
    7. Antoniou, Constantinos & Harrison, Glenn W. & Lau, Morten I. & Read, Daniel, 2017. "Information Characteristics and Errors in Expectations: Experimental Evidence," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 52(02), pages 737-750, April.
    8. David Blake & Tom Boardman, 2014. "Spend More Today Safely: Using Behavioral Economics to Improve Retirement Expenditure Decisions With SPEEDOMETER Plans," Risk Management and Insurance Review, American Risk and Insurance Association, vol. 17(1), pages 83-112, March.
    9. Finter, Philipp & Niessen-Ruenzi, Alexandra & Ruenzi, Stefan, 2010. "The impact of investor sentiment on the German stock market," CFR Working Papers 10-03, University of Cologne, Centre for Financial Research (CFR).
    10. Cuthbertson, Keith & Nitzsche, Dirk & O'Sullivan, Niall, 2016. "A review of behavioural and management effects in mutual fund performance," International Review of Financial Analysis, Elsevier, vol. 44(C), pages 162-176.
    11. Cici, Gjergji & Jaspersen, Stefan & Kempf, Alexander, 2015. "Speed of information diffusion within fund families," CFR Working Papers 15-02, University of Cologne, Centre for Financial Research (CFR).

    More about this item

    Keywords

    professional investors; overconfidence; behavioral biases; mutual funds;

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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