.S. cities and metropolitan areas. We focus our analysis on the new cities that were created during the period of analysis. The … experienced by these new-born cities. Our results enable us to confirm that, when cities appear, they grow very rapidly and, as … of the growth differential is driven by the cities' first decade of existence. This is consistent with the theoretical …

to innovate (if at all) in manufacturing and services. Locations can trade subject to transport costs and technology …

growth and trade. Although natural resources might play an important role in each of these fields, research on industries …

search for a job-type that matches their skill. They face a trade-off between match quality and the cost of extended search …. This trade-off differs between regions, because search is more efficient in larger regions. Then, interregional mobility … and trade lead to a pattern of specialization where large scale regions have a comparative advantage in producing …