Difference in Interim Performance and Risk Taking with Short-Sale Constraints
London Business School; Centre for Economic Policy Research (CEPR)
New Economic School
September 10, 2011
Absent much theory, empirical works often rely on the following informal reasoning when looking for evidence of a mutual fund tournament: If there is a tournament, interim winners have incentives to decrease their portfolio volatility as they attempt to protect their lead, while interim losers are expected to increase their volatility so as to catch up with winners. We consider a rational model of a mutual fund tournament in the presence of short-sale constraints and find the opposite: Interim winners choose more volatile portfolios in equilibrium than interim losers. Several empirical works present evidence consistent with our model. However, based on the above informal argument, they appear to conclude against the tournament behavior. We argue that this conclusion is unwarranted. We also demonstrate that tournament incentives lead to differences in interim performance for otherwise identical managers and that mid-year trading volume is inversely related to mid-year stock return.
Number of Pages in PDF File: 38
Keywords: Relative Performance, Risk-Taking Incentives, Portfolio Choice, Short-Sale Constraints
JEL Classification: G11, G20, D81working papers series
Date posted: March 9, 2008 ; Last revised: September 10, 2011
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