In this paper we extend the theory of precautionary saving to the case in which uncertainty is multidimensional and we develop a matrix-measure of multivariate prudence. Furthermore, we characterize comparative prudence, decreasing and increasing prudence, the effect of uncertainty on the...

Prudence is widely known for inducing precautionary saving behavior. This paper revisits this important implication by introducing the notions of first-order and second-order prudence. Within smooth expected utility (EU), prudence is second-order. In that case, the presence of a small,...

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...