This paper explores the sale of an object to an ambiguity averse buyer. We show that the seller can increase his profit by using an ambiguous mechanism. That is, the seller can benefit from hiding certain features of the mechanism that he has committed to from the agent. We then characterize the...

This paper studies the causes and the consequences of horizontal mergers among risk-averse firms. The amount of diversification depends on the allocation of shares among the merging firms, with a direct risk-sharing effect and an indirect strategic effect. If firms compete in quantities,...