Ellison, Glenn; Glaeser, Edward L.; Kerr, William R. - In: American Economic Review 100 (2010) 3, pp. 1195-1213
Why do firms cluster near one another? We test Marshall's theories of industrial agglomeration by examining which industries locate near one another, or coagglomerate. We construct pairwise coagglomeration indices for US manufacturing industries from the Economic Census. We then relate...