In this model, we characterize optimal immigration and fiscal policies in presence of a rival public good and heterogeneous discounting. Surprisingly, even if the government is benevolent towards natives only, it is optimal to keep borders open. Indeed, in the long run, patient natives hold the...

In this paper, we expose the results of a voting experiment realised in 2007, during the French Presidential election. This experiment aimed at confronting the Single Transferable vote (SVT) procedure to two criteria : simplicity and the selection of a Condorcet-winner. Building on our electoral...

In this contribution, we analyze the economic consequences of immigration into France. France has a long tradition of hosting foreign populations. As in most developed countries, recent immigrants come from few countries (mainly from the Mediterranean Basin), are highly concentrated in a few...

This paper examines the endogenous dynamics of the social structure of a city where the spatial repartition of amenities is endogenously modified by the spatial repartition of social groups. We start from the fact that, in most European cities, central locations are occupied by rich households;...

In this paper, we propose a model where local jurisdictions must engage a development cost before competing for hosting a firm with uncertain preferences among possible sites. We first show that even an optimizing central planner managing all the jurisdictions develops more sites than there are...