Platforms often display their products ahead of third-party products in search. Is this due to consumers preferring platform-owned products or platforms engaging in self-preferencing by biasing search towards their own products? What are the welfare implications? I develop a structural model of...

With the completion of the Uruguay Round of international trade negotiations, attention turns to plausible next steps. One question on the agenda of possibilities is the adoption of competition policies that complement or substitute for the remedies traditionally used to deal with international...

During the past half century many nations have adopted policies whose function is to discourage cartels and other restrictive practices. Industrialized nations led the movement toward pro-competition policies, but more recently, developing nations have begun to join the parade. Initial steps...