Alpha and Performance Measurement: The Effects of Investor Disagreement and Heterogeneity
AbstractThe literature has not unambiguously established that a positive alpha, as traditionally measured, means that an investor would want to buy a fund. However, when alpha is defined using the client's marginal utility function, a client faced with a positive alpha would generally want to buy. When markets are incomplete performance measurement is inherently investor specific, and investors will disagree about the attractiveness of a given fund. We provide empirical bounds on the expected disagreement with a traditional alpha and study the cross sectional effects of disagreement and investor heterogeneity on the flow response to past fund alphas. The effects are both economically and statistically significant.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 19349.
Date of creation: Aug 2013
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- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
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