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Is proprietary trading detrimental to retail investors?

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  • Fecht, Falko
  • Hackethal, Andreas
  • Karabulut, Yigitcan

Abstract

We study a conflict of interest faced by universal banks that conduct proprietary trading alongside their retail banking services. Our dataset contains the stock holdings of each and every German bank and of their corresponding retail clients. We investigate (i) whether banks deliberately push stocks from their proprietary portfolios into their retail customer portfolios, (ii) whether those stocks subsequently underperform, and (iii) whether retail customers of banks with proprietary trading earn lower long-term portfolio returns than their peers. We present affirmative evidence on all three questions and conclude that proprietary trading can, in fact, be very detrimental to retail investors.

Suggested Citation

  • Fecht, Falko & Hackethal, Andreas & Karabulut, Yigitcan, 2013. "Is proprietary trading detrimental to retail investors?," Discussion Papers 42/2013, Deutsche Bundesbank.
    • Handle: RePEc:zbw:bubdps:422013
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    Cited by:

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    3. Sorravich Kingsuwankul & Chloe Tergiman & Marie Claire Villeval, 2023. "Why do oaths work? Image concerns and credibility in promise keeping," Working Papers hal-04209489, HAL.
    4. Utz Weitzel & Michael Kirchler, 2021. "The Banker's Oath And Financial Advice," Tinbergen Institute Discussion Papers 21-032/IV, Tinbergen Institute.
    5. Danilo Liberati & Francesco Vercelli, 2019. "As long as the bank gains: expanding the retail distribution activity," Questioni di Economia e Finanza (Occasional Papers) 510, Bank of Italy, Economic Research and International Relations Area.
    6. Ugo Panizza, 2015. "Billions on the Sidewalk: Improving Savings by Reducing Investment Mistakes," IHEID Working Papers 18-2015, Economics Section, The Graduate Institute of International Studies.
    7. Daniel Hoechle & Stefan Ruenzi & Nic Schaub & Markus Schmid, 2017. "The Impact of Financial Advice on Trade Performance and Behavioral Biases," Review of Finance, European Finance Association, vol. 21(2), pages 871-910.
    8. Cristian Badarinza & John Y. Campbell & Tarun Ramadorai, 2016. "International Comparative Household Finance," Annual Review of Economics, Annual Reviews, vol. 8(1), pages 111-144, October.
    9. Dominika Langenmayr & Franz Reiter, 2022. "Trading offshore: evidence on banks’ tax avoidance," Scandinavian Journal of Economics, Wiley Blackwell, vol. 124(3), pages 797-837, July.
    10. Haselmann, Rainer & Leuz, Christian & Schreiber, Sebastian, 2021. "Know Your Customer: Relationship Lending and Bank Trading," LawFin Working Paper Series 22, Goethe University, Center for Advanced Studies on the Foundations of Law and Finance (LawFin).
    11. Schaeck, Klaus & Kick, Thomas & Onali, Enrico & Ruprecht, Benedikt, 2014. "Wealth shocks, credit-supply shocks, and asset allocation: evidence from household and firm portfolios," Working Paper Series 1662, European Central Bank.
    12. Dr. Andrada Bilan & Yalin Gündüz, 2022. "CDS market structure and bond spreads," Working Papers 2022-09, Swiss National Bank.
    13. Weitzel, Utz & Kirchler, Michael, 2023. "The Banker’s oath and financial advice," Journal of Banking & Finance, Elsevier, vol. 148(C).
    14. Lingling Zheng & Xuemin (Sterling) Yan, 2021. "Financial Industry Affiliation and Hedge Fund Performance," Management Science, INFORMS, vol. 67(12), pages 7844-7865, December.
    15. Tian, Geran & Wang, Xiaowen & Wu, Weixing, 2021. "Borrow low, lend high: Credit arbitrage by sophisticated investors," Pacific-Basin Finance Journal, Elsevier, vol. 67(C).
    16. Bjarne Florentsen & Ulf Nielsson & Peter Raahauge & Jesper Rangvid, 2022. "How Important is Affiliation Between Mutual Funds and Distributors for Fund Flows? [Is unbiased financial advice to retail investors sufficient? Answers from a large field study]," Review of Finance, European Finance Association, vol. 26(4), pages 971-1009.
    17. Bagattini, Giulio & Fecht, Falko & Weber, Patrick, 2019. "The fire-sale channels of universal banks in the European sovereign debt crisis," Discussion Papers 43/2019, Deutsche Bundesbank.
    18. SHIRASU Yoko & SUZUKI Katsushi & Sadok EL GHOUL, 2024. "Release from Restricted Environmental and Social Investing: Evidence from agreements between asset owners and asset managers," Discussion papers 24016, Research Institute of Economy, Trade and Industry (RIETI).
    19. Kostopoulos, Dimitrios & Meyer, Steffen & Uhr, Charline, 2020. "Google search volume and individual investor trading," Journal of Financial Markets, Elsevier, vol. 49(C).
    20. Tsung-Yu Hsieh & Tsai-Yin Lin & Fangjhy Li & Yi-Ting Huang, 2023. "Analyst’s Target Price Revision and Dealer’s Trading Behavior Analysis: Evidence from Taiwanese Stock Market," Sustainability, MDPI, vol. 15(4), pages 1-9, February.
    21. Szabolcs Szikszai & Tamas Badics, 2014. "Enhanced Funds Seeking Higher Returns," Working papers wpaper43, Financialisation, Economy, Society & Sustainable Development (FESSUD) Project.
    22. Edeling, Alexander & Srinivasan, Shuba & Hanssens, Dominique M., 2021. "The marketing–finance interface: A new integrative review of metrics, methods, and findings and an agenda for future research," International Journal of Research in Marketing, Elsevier, vol. 38(4), pages 857-876.
    23. Utz Weitzel & Michael Kirchler, 2022. "The Banker's Oath And Financial Advice," Working Papers 2022-13, Faculty of Economics and Statistics, Universität Innsbruck.

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    More about this item

    Keywords

    conflict of interests; universal banks; proprietary trading; retail investment; retail banking;
    All these keywords.

    JEL classification:

    • G30 - Financial Economics - - Corporate Finance and Governance - - - General
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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