We study learning in perfect competition. A representative price-taking firm sells a good whose quality is unknown to some buyers. The uninformed buyers use the price to infer information about quality. Even though the firm is a price-taker, information is disseminated though the price. It is...

Business groups in emerging markets perform better than unaffiliatedfirms. One explanation is that business groups substitute some functions ofmissing institutions, for example, enforcing contracts. We investigate thisby setting up a model where firms within the business group are connectedto...

This paper assesses the merits of countercyclical bank balance sheet regulation for the stabilization of financial and economic cycles and examines its interaction with monetary policy. The framework used is a dynamic stochastic general equilibrium model with banks and bank capital, in which...