Sand, Benjamin M. - In: Labour Economics 24 (2013) C, pp. 97-106
This paper re-examines the impact of city educational composition on wages, often interpreted as human capital externalities. Using U.S. Census data, I find large, positive spillovers from college education in the 1980s, as documented by Moretti (2004a). In contrast, in the 1990s, the supply of...