This article begins by proposing a random taste parameterization of a quadratic extension of the PIGLOG demand system at the household level, which is consistent with exact aggregation. This variation in tastes is a random function of household characteristics. The econometric implication is...

This paper develops a model to examine how mutual funds set fees charged to investors within a context of non-competitive market structure. The empirical evidence shows that the performance, age, size and cash ratio of the fund have statistically significant impacts on the mutual fund fees but,...

This paper shows that a monopolistically competitive equilibrium can evolve without purposive profit maximization. Specifically, this paper formulates a precise evolutionary dynamic model of an industry where there is continuous entry of firms that randomly select their output levels on entry...