Rationalizing Trading Frequency and Returns
NBER Working Paper No. 16022
Barber and Odean (2000) study the relationship between trading frequency andreturns. They find that households who trade more frequently have a lower net return than other households. But all households have about the same gross return. They argue that these results cannot emerge from a model with rational traders and instead attribute these findings to overconfidence. Using a dynamic optimization approach, we find that neither a model with rational agents facing adjustment costs nor various models of overconfidence fit these facts.
This paper was revised on December 5, 2011
Document Object Identifier (DOI): 10.3386/w16022
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