Why Stocks May Disappoint∗
نویسندگان
چکیده
We provide a formal treatment of both static and dynamic portfolio choice using the Disappointment Aversion preferences of Gul (1991), which imply asymmetric aversion to gains versus losses. Our dynamic formulation nests the standard CRRA asset allocation problem as a special case. Using realistic data generating processes, we find reasonable equity portfolio allocations for disappointment averse investors with utility functions exhibiting low curvature. Moderate variation in parameters can robustly generate substantial cross-sectional variation in portfolio holdings, including optimal non-participation in the stock market.
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