Brad M. Barber (University of California, Davis) Terrance Odean (University of California, Berkeley)
Abstract
We analyze 1,607 investors who switched from phone-based to online trading during the 1990s. Those who switch to online trading perform well prior to going online, beating the market by more than 2% annually. After going online, they trade more actively, more speculatively, and less profitably than before--lagging the market by more than 3% annually. Reductions in market frictions (lower trading costs, improved execution speed, and greater ease of access) do not explain these findings. Overconfidence--augmented by self-attribution bias and the illusions of knowledge and control--can explain the increase in trading and reduction in performance of online investors. Copyright 2002, Oxford University Press.
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Article provided by Oxford University Press for Society for Financial Studies in its journal Review of Financial Studies.
Volume (Year): 15 (2002) Issue (Month): 2 (March) Pages: 455-488 Download reference. The following formats are available: HTML
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Daniel Dorn & Gur Huberman & Paul Sengmueller, 2008.
"Correlated Trading and Returns,"
Journal of Finance,
American Finance Association, vol. 63(2), pages 885-920, 04.
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