@article {Early2017,
title = {Early skill formation and the efficiency of parental investment},
year = {2017},
url = {https://www.esri.ie/publications/early-skill-formation-and-the-efficiency-of-parental-investment},
author = {Doyle, O., Harmon, C., Heckman, J., Logue, C., and Moon, S.},
journal = {ESRI Research Bulletin 2017/1/1},
}