We address the scheduling problem of reordering an existing queue into its efficient order through trade. To that end, we consider individually rational and balanced budget direct and indirect mechanisms. We show that this class of mechanisms allows us to form efficient queues provided that...

We propose a simple model of distribution of economic activity across cities of endogenous size and number determined by individual incentives in the tradition of threshold models of social interaction. The individuals populating our model are endowed with idiosyncratic entrepreneurial...