We consider a general control problem with two types of optimal regime switch. The first one concerns technological and/or institutional regimes indexed by a finite number of discrete parameter values, and the second features ecological-like regimes relying on given threshold values for given...

This paper proposes a measure of the welfare cost of volatitliy derived from an endogenous growth model (AK) under uncertainty extended to the case of a recursive utility function which disentangles risk aversion from intertemporal elasticity of substitution. It encompasses a direct welfare cost...

This paper aims to measure the risk premium on French equities during 1960-92 and to evaluate how well theoretical models based on various representations of agents'' preferences can explain it. Aside from the standard, time-additive utility function with constant relative risk aversion, three...