Motivated by the slow diffusion of generic drugs and the increase in prices of brand-name drugs after generic entry, I incorporate consumer learning and consumer heterogeneity into an empirical dynamic oligopoly model. In the model, firms choose prices to maximize their expected total discounted...

The main goal of this paper is to investigate the role of campaign fund in congressional careers. To achieve this goal, we specify a dynamic model of career decisions of a member of Congress. In particular, we model how the amount of campaign funds raised affects the probability of winning...