This paper explores the effects of incomplete markets and positive spillovers on aggregate and industry output behavior. We consider an economy composed of a fixed set of infinitely-lived industries. When industries coordinate production decisions they jointly improve their productivity. Markets...

In his work on signaling, Spence proposed a dynamic model of a market in which a buyer revises prices in light of experience and in which sellers, with private information about their type, choose utility-maximizing signals given these prices. We follows Spence's suggestion of introducing...