Prospect Theory and Stock Market Anomalies
NBER Working Paper No. 27155
We present a new model of asset prices in which investors evaluate risk according to prospect theory and examine its ability to explain 22 prominent stock market anomalies. The model incorporates all the elements of prospect theory, takes account of investors' prior gains and losses, and makes quantitative predictions about an asset's average return based on empirical estimates of its volatility, skewness, and past capital gain. We find that the model is helpful for thinking about a majority of the 22 anomalies.
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Document Object Identifier (DOI): 10.3386/w27155