We develop a model of social choice over lotteries, where people's psychological characteristics are mutable, their preferences may be incomplete, and approximate interpersonal comparisons of well-being are possible. Formally, we suppose individual preferences are described by a...

This study investigates the relationship between mutual fund performance and fund manager’s characteristics by using quarterly data of 14 open end equity mutual funds during 2005(8) to 2008(8). Data were collected from the database of Mutual Funds Association of Pakistan (MUFAP) keeping age,...

Let X be a set of states, and let I be an infinite indexing set. Our first main result states that any separable, permutation-invariant preference order () on X^I admits an additive representation. That is: there exists a linearly ordered abelian group A and a `utility function' u:X--A such...