@techreport{Goldin1997,
author = {Goldin, C. and Katz, L.F.},
title= {Why the United States led in education: Lessons from secondary school expansion: Lessons from secondary school expansion, 1910 to 1940},
year = {1997},
doi = {10.3386/w6144},
publisher = {National Bureau of Economic Research},
address = {Cambridge},
institution = {NBER working paper 6144},
}