Our purpose is to show how large difference of beliefs induced by fear of crashesis amenable to large and persistent price responses to contemporaneous shocks. Weconstruct a pure exchange economy populated by two agents who estimate strictlydifferent models regarding the fundamental. In...

This paper presents an equilibrium model in a pure exchange economywhen investors have three possible sources of heterogeneity. Investorsmay differ in their beliefs, in their level of risk aversion andin their time preference rate. We study the impact of investors heterogeneityon equilibrium...

Recent experimental evidence suggests that donors are averse to giving to charities with high overhead ratios. This paper asks whether donors are also averse to giving to charities spending a high share of the donations on unavoidable administrative expenses. The results of an experiment with a...