Severnini, Edson R. - 2014
How much of the geographic clustering of economic activity is attributable to agglomeration spillovers as opposed to … attenuated, suggesting the presence of important agglomeration spillovers. Over a 50 year horizon, I estimate that at least one … half of the long run effect of pre-1950 dams is due to spillovers. The estimated short and long run effects are highly …