We analyze if and how multi-prize Tullock contests can be used to guarantee efficient contributions to a public good when agents are heterogenous both with respect to the costs of production of the public good and with respect to the utility from its consumption. With two types of individuals,...

Disclosure of lobbying activity has become much more timely and stringent in the US, and many demand similar regulation also for lobbying in the European Union. Disclosure informs voters about a lobbyist’s activity, but it also informs rival lobbying groups, with strategic consequences. Under...

We explore how public opinion polls affect candidates' campaign spending in political competition. Generally, polls lead to asymmetric behavior. Under a majority rule there always exists an equilibrium in which the initially more popular candidate invests more in the campaign and thereby...

We study situations where a new entrant with privately known talent competes with an incumbent whose talent is common knowledge. Competition takes the form of a rank-order tournament. Prior to the competition, the newbie can "show off," i.e., send a talent revealing costly signal. We find that...

We study career choice when competition for promotion is a contest. A more meritocratic profession always succeeds in attracting the highest ability types, whereas a profession with superior promotion benefits attracts high types only if the hazard rate of the noise in performance evaluation is...

We explore how public opinion polls affect candidates' campaign spending in political competition. Generally, polls lead to (more) asymmetric behavior. Under a majority rule there always exists an equilibrium in which the initially more popular candidate invests more in the campaign and thereby...

Property rights are undoubtedly among the most important institutions for economic efficiency. Still, by looking at reality we usually see property rights only imperfectly enforced. In this paper we identify uncertainty faced by an enforcer to be sufficient to explain this observation. This...

My dissertation consists of three chapters, all three devoted to incentives in contests and the role of heterogeneity. Chapter 1 characterizes conditions under which introducing multiple prizes in a contest can be used to guarantee efficient incentives for the production of a public good when...