that these two types of externalities co-exist, but differ in their spatial distribution and attenuation within cities …-city industry cluster in a diversified, large city appears to let firms enjoy the benefits of local industry-specific externalities …

accounts for technological interdependence among countries through spatial externalities. The original version models …

continuous curves. Our rich panel data allows us to address spatial sorting of workers and the entanglement of spillover and …

matching in productivity. Finally we assess sorting along observable characteristics, such as gender, education, occupation or … occupational heterogeneity 8% of overall wage dispersion, with wage sorting between firms and individuals in itself explaining …