Knowledge that Transforms

We study the monetary theory implications of fixed costs associated with trade in private assets. We show that with heterogeneous endowment profiles it is possible for an endogenous subset of agents to hold currency even when it is dominated in return by a competing asset. With respect to positive issues in monetary theory, the model implies that changes in the steady-state growth rate of the money supply have a negative effect on real interest rates because of endogenous market participation measures. On the normative side, we show that there may be an equity-efficiency trade-off from monetary deflation.

We present models in which price discrimination in the context of a two-part price can occur in some competitive markets. Purchases take place in groups, which choose which firms to patronize. While firms are perfectly competitive with respect to groups, they have some market power over individual consumers, who are constrained by their groups' choices. We find that firms will charge an entry fee that is below marginal cost, and the second part of the price is marked up above marginal cost. The markup not only is positive but increases with the quality of the product.