The paper sets out a monetary business cycle model extended to include the production of credit that serves as an alternative to money in transactions and is subject to productivity shocks. The model provides some improvement on certain puzzles, in particular by capturing the procyclic movements...

We ask whether the three-sector neoclassical growth model can account for the large cross-country differences in the levels of per-capita income, in the stocks of physical and human capital, and in the relative prices of capital. We use a version in which one sector produces services, a second...

In this paper we develop a new general methodology for computing the optimal, welfare maximizing social planner's policies for economies with heterogeneous agents in which the stationary distribution of agents is a part of the optimization problem. Previous models analyzing the effects of...