In many countries, governments involve interest groups at early stages of political decisionmaking. The idea of this is to enhance the legitimacy of the policy decision and to curb later opposition to the implementation of the policy. We show that the way and timing of interest groups...

The reluctant reaction of western governments to the AIDS crisis in developing countries is only one example for policy areas where we observe a lack of political action despite a public interest in policy change. The reasons for that lie in the two-stage structure of the political...

In a common agency game, several principals try to influence the behavior of an agent. Common agency games typically have multiple equilibria. One class of equilibria, called truthful, has been identified by Bernheim and Whinston and has found widespread use in the political economy literature....

This paper considers two extensions to the standard common agency model. First, the agent’s objective need not be increasing in contributions. Second, the agent can (partially) reject contributions from the principals. Following these extensions, I generalize the concept of truthful equilibria...

In this paper we develop a common agency model to analyze the problem of pirates entering the market, in which the incumbent and the consumers form pressure groups to lobby the government on policies to prevent piracy while the pirates try to avoid being stopped. We show that a monopoly is not...

In many countries, governments involve interest groups at early stages of political decisionmaking. The idea of this is to enhance the legitimacy of the policy decision and to curb later opposition to the implementation of the policy. We show that the way and timing of interest groups...

The reluctant reaction of western governments to the AIDS crisis in developing countries is only one example for policy areas where we observe a lack of political action despite a public interest in policy change. The reasons for that lie in the two-stage structure of the political...