The paper mainly addresses three questions: 1) do workers tend to be employed by employers of the same ethnic group; 2) what is the structure of the equilibrium wage contract; and 3) do more ethnically homogeneous labour markets tend to have different labour contracts than more ethnically...

We consider a finite number of firms, which compete imperfectly for heterogeneous workers. Firms produce a homogeneous good, sold on a competitive market, and face demand-induced price fluctuations. It is then shown that unemployment may arise in equilibrium because of both uncertainty of...

We consider the role of asymmetric information on the emergence of collusion between criminals and enforcers, in the framework proposed by Bowles and Garoupa (1997) and Polinsky and Shavell (2001). Our Paper proposes that the optimal criminal sanction for the underlying offense is not...

This paper investigates spatial variations in product prices using an exhaustive micro dataset on fish transactions. The data record all transactions between vessels and wholesalers that occur on local fish markets in France during the year 2007. Spatial disparities in fish prices are sizable,...