The paper analyses the impact of health and survival uncertainty on the saving and consumption decisions of retirees.

The aim of this paper is to demonstrate that the requirement that preferences be definable ca be analyzed fruitfully in formal terms. More specifically, the paper provides an exemple of a formal investigation of the connection between a decision maker's language and the set of definable preferences.

The main result of the paper is that policy reversals are more likely floowing realization of extreme and relatively unlikely values of parameters that map policy choice into outcomes. A corollary to this result is that policy reversals occur infrequently.

We study selection contests in which the strategic variable is degree of risk rather than amount of effort. The selection efficiency of such contests is examined. We show that the selection efficiency of a contest may be improved by limiting the competition in two ways; a) by having a small...