Empirical studies of parimutuel games establish several facts not previously explained by theory. For example, market odds fail to provide accurate predictions of outcomes and longshots earn lower expected values than other bets. This paper outlines a model of parimutuel games in which such...

In the standard model, provision of a pure public good is increasing in group size if it is a normal good. I develop a model of public good provision in which private goods are supplied in a monopolistically competitive market. In this model, group size corresponds to population. I find that...