We construct spatially-weighted indices of the geographic concentration of U.S. manufacturing industries during the period 1880 to 1997 using data from the Census of Manufactures and Bureau of Labor Statistics. Several important new results emerge from this exercise. First, we find that average...

We study the determinants of the spatial distribution of patent inventors at the county level for Great Britain between 1700-1850. Our empirical analysis rests on the localization model by Bottazzi et al. (2007) and on the related estimation procedure by Bottazzi and Gragnolati (2015). Such an...