Glaeser, Edward L.; Kerr, Sari Pekkala; Kerr, William R. - Census Bureau, Department of Commerce - 2013
. Chinitz (1961) hypothesized that coal mines near Pittsburgh led that city to specialization in industries, like steel, with …. We test this idea by looking at the spatial location of past mines across the United States: proximity to historical … mining deposits is associated with bigger firms and fewer start-ups in the middle of the 20th century. We use mines as an …