In this paper we apply to multiplicative lotteries the idea of preference for "harm disaggregation" that was used for additive lotteries in order to interpret the signs of successive derivatives of a utility function. In this way, we can explain in general terms why the values of the...

Epstein and Zin (1989) axiomatization allows the distinction between risk aversion and intertemporal substitution. Kreps and Porteus (1978) one introduces the concept of timing of resolution of uncertainty. This paper proposes to generalize the link between these three concepts.