Employing a political-economics approach, this paper compares small states and unions when the former fail to internalize cross-border externalities of publicly provided goods. It discusses two types of unions: federations with more than one level of government and unitary states. While unitary...

This study provides a comprehensive, accurate and ready-to-use dataset on the relationships between the members of the Swiss Parliament and groups of interests. We capture politicians' linkages exploiting (1) their mandates in legal entities; (2) the enterprises, associations or other...

Using a unique dataset, based on the 49th Swiss legislature, we assess lobbying effect on politicians' votes. Counselors' ties are approximated by their mandates in in legal entities. Political representatives' fidelity to their political group is measured by a dummy proximity indicator. We find...

Suppose that a group of agents having divergent expectations can share risks efficiently. We examine how this group should behave collectively to manage these risks. We show that the beliefs of the representative agent is in general a function of the group.s wealth level, or equivalently, that...

We examine the investment decision problem of a group whose members have heterogeneous time preferences. In particular, they have different discount factors for utility, possibly not exponential. We characterize the properties of efficient allocations of resources and of shadow prices that would...

Do minorities fare worse under direct democracy than under representative democracy? We provide new evidence by studying naturalization requests of immigrants in Switzerland that were typically decided with referendums in each municipality. Using panel data from about $1,400$ municipalities for...

The CNN exit polls after the 2004 election rated moral values the most important issue; next came jobs and the economy. Eighty percent of the voters who rated moral values the most important issue voted for Bush while eighty percent of the voters who rated jobs and the economy the most important...

We report here a summary of our recent research on the effect that the race issue, in the United States, and the immigration issue in European countries, is having on the degree of redistribution and the size of the public sector that is implemented through political competition. We model...

A well known and established model in communication policy in sociology and marketing is that of opinion leadership. Opinion leaders are actors in a society who are able to affect the behavior of other members called followers. Hence, opinion leaders might have a considerable impact on the...