Asset Price Dynamics When Traders Care About Reputation
What are the equilibrium features of a dynamic financial market where traders care about their reputation for ability? We modify a standard sequential trading model to study a financial market with career concerns. We show that this market cannot be informationally efficient: there is no equilibrium in which prices converge to the true value, even after an infinite sequence of trades. This finding, which stands in sharp contrast with the results for standard financial markets, is due to the fact that our traders face an endogenous incentive to behave in a conformist manner. We show that there exist equilibria where career-concerned agents trade in a conformist manner when prices have risen or fallen sharply. We also show that each asset carries an endogenous reputational benefit or cost, which may lead to systematic mispricing if asset supply is not infinitely elastic.
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- Allen, Franklin & Gorton, Gary, 1993. "Churning Bubbles," Review of Economic Studies, Wiley Blackwell, vol. 60(4), pages 813-36, October.
- Dilip Abreu & Markus K. Brunnermeier, 2002.
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LSE Research Online Documents on Economics
24905, London School of Economics and Political Science, LSE Library.
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- Franklin Allen, 2001. "Do Financial Institutions Matter?," Center for Financial Institutions Working Papers 01-04, Wharton School Center for Financial Institutions, University of Pennsylvania.
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