@article{Psacharopoulos1989,
author = {Psacharopoulos, G. and Arriagada, A.M.},
title= {The determinants of early age human capital formation: Evidence from Brazil},
year = {1989},
doi = {10.1086/451755},
journal = {Economic Development and Cultural Change},
volume = {37},
pages = {683--708},
}