This paper is concerned with the subject of how the three main approaches to model aggregate fluctuations are related. That is, we are interested in the relation between real business cycle models, endogenous business cycle models and sunspot equilibria models. It is shown that there exists an...

This paper departs from John Roemer's theory of equality of opportunities. We seek to determine what part of observed outcome inequality may be attributed to differences in observed "circumstances", including family background, and what part is due to "personal efforts". We use a...

We study efficiency properties of allocations and equilibria in dynamic stochastic economies with finitely lived agents. Efficiency is assessed to the concept of interim optimality which considers the agents' welfare at their birth date in every possible circumstance which may occur at that...