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Copy trading

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Abstract

Copy trading allows traders in social networks to receive information on the success of other agents in financial markets and to directly copy their trades. Internet platforms like eToro, ZuluTrade, and Tradeo have attracted millions of users in recent years. The present paper studies the implications of copy trading for the risk taking of investors. Implementing a novel experimental financial asset market, we show that providing information on the success of others leads to a significant increase in risk taking of subjects. This increase in risk taking is even larger when subjects are provided with the option to directly copy others. We conclude that copy trading leads to excessive risk taking.

Suggested Citation

  • Jose Apesteguia & Jörg Oechssler & Simon Weidenholzer, 2018. "Copy trading," Economics Working Papers 1615, Department of Economics and Business, Universitat Pompeu Fabra, revised Sep 2019.
  • Handle: RePEc:upf:upfgen:1615
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    Other versions of this item:

    • Jose Apesteguia & Jörg Oechssler & Simon Weidenholzer, 2018. "Copy Trading," Working Papers 1048, Barcelona School of Economics.
    • Apesteguia, Jose & Oechssler, Jörg & Weidenholzer, Simon, 2018. "Copy Trading," Working Papers 0649, University of Heidelberg, Department of Economics.

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    1. Apesteguia, Jose & Huck, Steffen & Oechssler, Jorg, 2007. "Imitation--theory and experimental evidence," Journal of Economic Theory, Elsevier, vol. 136(1), pages 217-235, September.
    2. Catherine C. Eckel & Philip J. Grossman, 2002. "Sex Differences and Statistical Stereotyping in Attitudes Toward Financial Risk," Monash Economics Working Papers archive-03, Monash University, Department of Economics.
    3. Cooper, David J. & Rege, Mari, 2011. "Misery loves company: Social regret and social interaction effects in choices under risk and uncertainty," Games and Economic Behavior, Elsevier, vol. 73(1), pages 91-110, September.
    4. Ludwig Ensthaler & Olga Nottmeyer & Georg Weizsäcker & Christian Zankiewicz, 2018. "Hidden Skewness: On the Difficulty of Multiplicative Compounding Under Random Shocks," Management Science, INFORMS, vol. 64(4), pages 1693-1706, April.
    5. Thomas Dohmen & Armin Falk & David Huffman & Uwe Sunde, 2010. "Are Risk Aversion and Impatience Related to Cognitive Ability?," American Economic Review, American Economic Association, vol. 100(3), pages 1238-1260, June.
    6. Michael Kirchler & Florian Lindner & Utz Weitzel, 2018. "Rankings and Risk‐Taking in the Finance Industry," Journal of Finance, American Finance Association, vol. 73(5), pages 2271-2302, October.
    7. Ryan Oprea & Daniel Friedman & Steven T. Anderson, 2009. "Learning to Wait: A Laboratory Investigation," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 76(3), pages 1103-1124.
    8. Jose Apesteguia & Miguel A. Ballester, 2018. "Monotone Stochastic Choice Models: The Case of Risk and Time Preferences," Journal of Political Economy, University of Chicago Press, vol. 126(1), pages 74-106.
    9. Rawley Heimer, 2016. "Peer Pressure: Social Interaction and the Disposition Effect," Working Papers (Old Series) 1618, Federal Reserve Bank of Cleveland.
    10. Ed Hopkins & Tatiana Kornienko, 2004. "Running to Keep in the Same Place: Consumer Choice as a Game of Status," American Economic Review, American Economic Association, vol. 94(4), pages 1085-1107, September.
    11. Anand, Paul & Pattanaik, Prasanta & Puppe, Clemens (ed.), 2009. "The Handbook of Rational and Social Choice," OUP Catalogue, Oxford University Press, number 9780199290420.
    12. Gemayel, Roland & Preda, Alex, 2018. "Does a scopic regime erode the disposition effect? Evidence from a social trading platform," Journal of Economic Behavior & Organization, Elsevier, vol. 154(C), pages 175-190.
    13. De Long, J Bradford & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1990. "Noise Trader Risk in Financial Markets," Journal of Political Economy, University of Chicago Press, vol. 98(4), pages 703-738, August.
    14. Erik R. Sirri & Peter Tufano, 1998. "Costly Search and Mutual Fund Flows," Journal of Finance, American Finance Association, vol. 53(5), pages 1589-1622, October.
    15. Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October.
    16. Eisenbach, Thomas M. & Schmalz, Martin C., 2016. "Anxiety in the face of risk," Journal of Financial Economics, Elsevier, vol. 121(2), pages 414-426.
    17. Fernando Vega-Redondo, 1997. "The Evolution of Walrasian Behavior," Econometrica, Econometric Society, vol. 65(2), pages 375-384, March.
    18. Gortner, Paul J. & van der Weele, Joël J., 2019. "Peer effects and risk sharing in experimental asset markets," European Economic Review, Elsevier, vol. 116(C), pages 129-147.
    19. Rawley Z. Heimer, 2016. "Peer Pressure: Social Interaction and the Disposition Effect," The Review of Financial Studies, Society for Financial Studies, vol. 29(11), pages 3177-3209.
    20. Iris Bohnet & Fiona Greig & Benedikt Herrmann & Richard Zeckhauser, 2008. "Betrayal Aversion: Evidence from Brazil, China, Oman, Switzerland, Turkey, and the United States," American Economic Review, American Economic Association, vol. 98(1), pages 294-310, March.
    21. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer;Economic Science Association, vol. 10(2), pages 171-178, June.
    22. Dijk, Oege & Holmen, Martin & Kirchler, Michael, 2014. "Rank matters–The impact of social competition on portfolio choice," European Economic Review, Elsevier, vol. 66(C), pages 97-110.
    23. Yang-Yu Liu & Jose C. Nacher & Tomoshiro Ochiai & Mauro Martino & Yaniv Altshuler, 2014. "Prospect Theory for Online Financial Trading," Papers 1402.6393, arXiv.org, revised Mar 2014.
    24. Schlag, Karl H., 1998. "Why Imitate, and If So, How?, : A Boundedly Rational Approach to Multi-armed Bandits," Journal of Economic Theory, Elsevier, vol. 78(1), pages 130-156, January.
    25. Jacopo Magnani, 2015. "Testing for the Disposition Effect on Optimal Stopping Decisions," American Economic Review, American Economic Association, vol. 105(5), pages 371-375, May.
    26. Jacob K. Goeree & Leeat Yariv, 2015. "Conformity in the lab," Journal of the Economic Science Association, Springer;Economic Science Association, vol. 1(1), pages 15-28, July.
    27. Apesteguia, Jose & Huck, Steffen & Oechssler, Jörg & Weidenholzer, Simon, 2010. "Imitation and the evolution of Walrasian behavior: Theoretically fragile but behaviorally robust," Journal of Economic Theory, Elsevier, vol. 145(5), pages 1603-1617, September.
    28. Shefrin, Hersh & Statman, Meir, 1985. "The Disposition to Sell Winners Too Early and Ride Losers Too Long: Theory and Evidence," Journal of Finance, American Finance Association, vol. 40(3), pages 777-790, July.
    29. Carbone, Enrica & Duffy, John, 2014. "Lifecycle consumption plans, social learning and external habits: Experimental evidence," Journal of Economic Behavior & Organization, Elsevier, vol. 106(C), pages 413-427.
    30. Schlag, Karl H., 1998. "Why Imitate, and If So, How?, : A Boundedly Rational Approach to Multi-armed Bandits," Journal of Economic Theory, Elsevier, vol. 78(1), pages 130-156, January.
    31. Huck, Steffen & Normann, Hans-Theo & Oechssler, Jorg, 1999. "Learning in Cournot Oligopoly--An Experiment," Economic Journal, Royal Economic Society, vol. 109(454), pages 80-95, March.
    32. Scharfstein, David S & Stein, Jeremy C, 1990. "Herd Behavior and Investment," American Economic Review, American Economic Association, vol. 80(3), pages 465-479, June.
    33. Liran Einav & Amy Finkelstein & Iuliana Pascu & Mark R. Cullen, 2012. "How General Are Risk Preferences? Choices under Uncertainty in Different Domains," American Economic Review, American Economic Association, vol. 102(6), pages 2606-2638, October.
    34. Pelster, Matthias & Hofmann, Annette, 2018. "About the fear of reputational loss: Social trading and the disposition effect," Journal of Banking & Finance, Elsevier, vol. 94(C), pages 75-88.
    35. Steffen Andersen & Glenn W. Harrison & Morten I. Lau & E. Elisabet Rutström, 2008. "Eliciting Risk and Time Preferences," Econometrica, Econometric Society, vol. 76(3), pages 583-618, May.
    36. Duffy, John & Hopkins, Ed & Kornienko, Tatiana & Ma, Mingye, 2019. "Information choice in a social learning experiment," Games and Economic Behavior, Elsevier, vol. 118(C), pages 295-315.
    37. Leonardo Bursztyn & Florian Ederer & Bruno Ferman & Noam Yuchtman, 2014. "Understanding Mechanisms Underlying Peer Effects: Evidence From a Field Experiment on Financial Decisions," Econometrica, Econometric Society, vol. 82(4), pages 1273-1301, July.
    38. Sandri, Serena & Schade, Christian & Mußhoff, Oliver & Odening, Martin, 2010. "Holding on for too long? An experimental study on inertia in entrepreneurs' and non-entrepreneurs' disinvestment choices," Journal of Economic Behavior & Organization, Elsevier, vol. 76(1), pages 30-44, October.
    39. Yang-Yu Liu & Jose C Nacher & Tomoshiro Ochiai & Mauro Martino & Yaniv Altshuler, 2014. "Prospect Theory for Online Financial Trading," PLOS ONE, Public Library of Science, vol. 9(10), pages 1-7, October.
    40. Offerman, Theo & Schotter, Andrew, 2009. "Imitation and luck: An experimental study on social sampling," Games and Economic Behavior, Elsevier, vol. 65(2), pages 461-502, March.
    41. Gary E. Bolton & Axel Ockenfels, 2010. "Betrayal Aversion: Evidence from Brazil, China, Oman, Switzerland, Turkey, and the United States: Comment," American Economic Review, American Economic Association, vol. 100(1), pages 628-633, March.
    42. Bock, Olaf & Baetge, Ingmar & Nicklisch, Andreas, 2014. "hroot: Hamburg Registration and Organization Online Tool," European Economic Review, Elsevier, vol. 71(C), pages 117-120.
    43. Cox, John C. & Ross, Stephen A. & Rubinstein, Mark, 1979. "Option pricing: A simplified approach," Journal of Financial Economics, Elsevier, vol. 7(3), pages 229-263, September.
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    More about this item

    Keywords

    Copy trading; financial markets; social networks; imitation; experiment.;
    All these keywords.

    JEL classification:

    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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