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短缺厌恶

Shortfall aversion

Mathematical Finance · 2020
被引 20
人大 BABS 3

中文导读

提出短缺厌恶概念,指削减开支带来的效用损失大于等额增加开支的效用增益,并基于此构建了一个以历史峰值支出为参照的效用模型,得出最优支出策略。

Abstract

Abstract Shortfall aversion reflects the higher utility loss of spending cuts from a reference than the utility gain from similar spending increases. Inspired by Prospect Theory's loss aversion and the peak‐end rule, this paper posits a model of utility from spending scaled by past peak spending. In contrast to traditional models, which call for spending rates proportional to wealth, the optimal policy in this model implies a constant spending rate equal to the historical peak when wealth is relatively large. The spending rate increases when wealth reaches a model‐determined multiple of peak spending. In 1926–2015, shortfall‐averse spending is smooth and typically increasing.

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