This paper examines the economic and empirical foundations of the aggregate evidence on the effect of schooling quality on earnings. A common framework is presented which nests all previous studies as special cases. We discuss two crucial identifying assumptions and test them. The first...

Improvements in education and educational quality are widely acknowledged to be major contributors to black economic progress in the Twentieth Century. This paper investigates the sources of improvement in black education in the South in the first half of the century and demonstrates the...

In this article, I summarize Griliches’ contributions to economics and to applied econometrics.