On Portfolio Choice with Savoring and Disappointment
Management Science, Forthcoming
25 Pages Posted: 10 Jul 2013
Date Written: July 10, 2013
Abstract
We revisit the model proposed by Gollier and Muermann (see Gollier, C. and A. Muermann, 2010, Optimal choice and beliefs with exante savoring and ex-post disappointment, Management Sci., 56, 1272-1284, hereafter GM). In GM, for a given lottery, agents form anticipated expected payoffs and the set of possible anticipations is assumed to be exogenously fixed. We rather propose sets of possible anticipations which are endogenously determined. This permits to compare and evaluate in a consistent manner lotteries with different supports and to revisit the portfolio choice problem. We obtain new conclusions and interesting insights. Our extended model can rationalize a variety of empirically observed puzzles like a positive demand for assets with negative expected returns, preference for skewed returns and under-diversification of portfolios.
Keywords: endogenous beliefs, anticipatory feelings, disappointment, optimism, portfolio choice, skewness, under-diversification
JEL Classification: D81, G11
Suggested Citation: Suggested Citation
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