Two potentially asymmetric players compete for a prize of common value, which is initially unknown, by exerting efforts. A designer has two instruments for contest design. First, she decides whether and how to disclose an informative signal of the prize value to players. Second, she sets the...

Industries with significant scale economies or learning-by-doing may come to be dominated by a single firm. Economists have studied how likely this is to happen, and whether it is efficient, using models where buyers are price or quantity takers, even though these industries are often also...

An incumbent employee competes against a new hire for bonus or promotion. The incumbent's ability is commonly known, while that of the new hire is private information.The incumbent is subject to a perceptional bias: His prior about the new hire's type differs from the true underlying...