Simple models of urban search matching -- Extensions of urban search-matching models -- Non-monocentric cities and search-matching -- Simple models of urban efficiency wages -- Extensions of urban efficiency wage models -- Non-monocentric cities and efficiency wages -- The spatial mismatch...

The aim of this paper is to provide a new mechanism based on social interactions explaining why distance to jobs can have a negative impact on workers' labor-market outcomes, especially ethnic minorities. Building on Granovetter's idea that weak ties are superior to strong ties for providing...