We investigate whether the set of Kreps and Porteus (1978) preferences include classes of preferences that are stationary, monotonic and well-ordered in terms of risk aversion. We prove that the class of preferences introduced by Hansen and Sargent (1995) in their robustness analysis is the only...

We consider in this paper the interaction between precautionary savings and insurance demand. Under the standard intertemporal expected utility framework, the effect of an increase in the concavity of the utility function is ambiguous because of the inability of this framework to distinguish...