We analyze the optimal choices of agents with utility functions whose derivatives alternate in sign, an important class that includes most of the functions commonly used in economics and finance (Mixed Risk Aversion, MRA, Caballé and Pomansky, 1996). We propose a comparative mixed risk aversion...

Mixed risk aversion (Caballe and Pomansky, 1996) defines the class of increasing utility functions that have derivatives alternating in sign, with positive odd derivatives and negative even derivatives. In this article, we characterize comparative mixed risk aversion so as to answer the...

[fre] Cet article vise à déterminer comment le recours aux tests diagnostiques peut affecter la demande de prévention et celle de soins. Tandis que la demande de prévention et celle de tests diagnostiques sont des substituts, la relation entre médecine diagnostique et curative est moins...