Mental Accounting, Loss Aversion, and Individual Stock Returns
Yale School of Management; National Bureau of Economic Research (NBER)
Cornell University - Samuel Curtis Johnson Graduate School of Management
Journal of Finance
We study equilibrium firm-level stock returns in two economies: one in which investors are loss averse over the fluctuations of their stock portfolio and another in which they are loss averse over the fluctuations of individual stocks that they own. Both approaches can shed light on empirical phenomena, but we find the second approach to be more successful: in that economy, the typical individual stock return has a high mean and excess volatility, and there is a large value premium in the cross-section which can, to some extent, be captured by a commonly used multifactor model.
Date posted: May 23, 2001
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