We follow Wellisch (1994) in examining the efficiency of regional policymaking in a model with interregional spillovers and in which individuals are attached to regions for cultural reasons. In addition, we assume that regions desire to maintain their social cohesion. We postulate that regional...

Relying on differentiability assumptions and on conditions that guarantee interior solutions, we show that a federation featuring decentralized leadership, interregional spillovers, and labor attachment allocates resources efficiently under two sets of circumstances. The first is when the center...