We consider the problem of an insurer who enters into a repeated relationship with a set of risk averse agents in the presence of ex post verification costs. The insurer wishes to minimize the expected cost of providing these agents a certain expected utility level. We characterize the optimal...

In this paper we use the common perspective provided by the neoclassical growth model to evaluate the size of the distortions associated with different monetary and fiscal policies designed to finance a given sequence of government expenditures. We construct an artificial monetary economy...

We construct a vintage capital model of economic growth in which the decision to replace old technologies with new ones is modeled explicitly. Depreciation in this environment is an economic, not a physical concept. We describe the balanced growth paths and the transitional dynamics of this...