“Big data” gives markets access to previously unmeasured characteristics of individual agents. Policymakers must decide whether and how to regulate the use of this data. We study how new data affects incentives for agents to exert effort in settings such as the labor market, where an agent's...

Agricultural policy is designed to achieve certain goals. One goal that is of increasing importance in public discussion is 'public money for public goods' i.e. the compensation for the provision of public goods and the internalization of externalities. The European Union's Common Agricultural...