This paper presents an equilibrium model in a pure exchange economy when investors have three possible sources of heterogeneity. Investors may differ in their beliefs, in their level of risk aversion and in their time preference rate. We study the impact of investors heterogeneity on the...

Several theoretical studies suggest that coordination problems can cause arbitrageur crowding to push asset prices beyond fundamental value as investors feedback trade on each others' demands. Using this logic we develop a crowding model for momentum returns that predicts tail risk when...

We analyze the effect of skewness in a simple two-asset framework. Returns follow the split bivariate normal distribution, which is a combination of bivariate normal distributions with different standard deviations. We show that expected returns deviate from the CAPM in equilibrium if assets...

This paper presents an equilibrium model in a pure exchange economy when investors have three possible sources of heterogeneity. Investors may differ in their beliefs, in their level of risk aversion and in their time preference rate. We study the impact of investors heterogeneity on the...

Islamic and conventional investment funds have the same purpose. However, unlike conventional funds, Islamic funds offer different investment contracts and have to invest in accordance with a set of selection rules. This dissertation focuses on developing theoretical and empirical analysis...