We analyze a model in which agents have to make a binary choice under incomplete information about the state of the world, but also care about coordination with other agents who have the same problem. In some of these situations, the larger the share choosing the same alternative, the better off...

It is estimated that companies in the U.S. spent $800 million in 1998 to quot;acquire talent -- entertainers, athletes and other high profile personalities -- to spotlight in advertising, promotion and PR campaignsquot; (IEG Endorsement Insider). Such ads appear in a variety of media. How do we...

Many political commentators diagnose an increasing polarization of the U.S. electorate into two opposing camps. However, in standard spatial voting models, changes in the political preference distribution are irrelevant as long as the position of the median voter does not change. We show that...

Consider a setting in which several groups of individuals with common interests ("clubs") compete with each other for recognition by other individuals. Depending on the context, recognition may be expressed by these other individuals joining a club, or choosing one club to admire. Clubs compete...