Economies of matching refer to the cost and time savings in searching for goods, services and jobs in a large city compared with a less populous area. Workers such as piano tuners and patent attorneys, for example, possess a narrow set of skills that are of great value to particular employers that regularly need these unique services. So workers with these specialized skills will prefer to locate in larger cities, where they are more likely to be matched to a job–and quickly find another if they lose it. … [Read more...] about COVID-19 won’t kill cities