Tyler, John H.; Murnane, Richard J.; Willett, John B. - In: The Quarterly Journal of Economics 115 (2000) 2, pp. 431-468
This paper tests the labor market signaling hypothesis for the General Educational Development (GED) equivalency credential. Using a unique data set containing GED test scores and Social Security Administration (SSA) earnings data, we exploit variation in GED status generated by differential...