We analyze a dynamic version of the Akerlof-Wilson "lemons" market in a competitive durable good setting. There is a fixed set of sellers with private information about the quality of their wares. The price mechanism sorts sellers of different qualities into different time periods--prices and...

We demonstrate the possibility of shake-out of firms and emergence of interfirm heterogeneity along the (socially optimal) dynamic equilibrium path of a competitive industry with free entry and exit, even when there is no uncertainty and all firms are ex ante identical with perfect foresight....

We analyze a stochastic one-sector model of economic growth and investigate the conditions under which long-run growth occurs almost surely. In contrast to the deterministic version of the model, the utility function plays a crucial role in determining the long-run behavior of output.