We develop a model that combines competitive exchange of private commodities across endogenously formed groups with public good provision and global collective decisions. There is a tension between local and global collective decisions. In particular, we show that group formation and collective...

We study a two-period model of committee decision-making where members differ in their levels of efficiency. They may acquire costly information that enhances their ability to make a correct decision. We focus on the impact of transparency. We show that the principal's initial utility is higher...

In this Paper, we design democratic constitutions that can transcend the shortcomings of the unanimity rule. The constitution embeds the unanimity rule in a set of virtue-supporting principles: (a) broad packages with many public projects (bundling) are allowed, but can only be proposed once in...

We study household formation in a model where collective consumption decisions of a household depend on the strategic choices of its members. The surplus of households is determined by individual choices of levels of friendliness to each other. A strategic conflict arises from a coupling...

We examine a model in which two politicians compete for office and for wages. Their remunerations are either set by the public or are offered competitively by the candidates during campaigns. Our main finding shows that competitive wage offers by candidates lead to lower social welfare than...

We examine whether the central bank council of a monetary union should publish its voting records when members are appointed by national politicians. We show that the publication of voting records lowers overall welfare if the private benefits of holding office are sufficiently low. High private...

We examine whether the central bank council of a monetary union should publish its voting records when members are appointed by national politicians. We show that the publication of voting records lowers overall welfare if the private benefits of holding office are sufficiently low. High private...

We examine the consequences when the public is unsure about the ability of governments to foresee the effects of decisions. Governments with much information should invest either immediately or never. Governments that are not well informed should wait for better information. But since...