@article{Bloom1987,
author = {Bloom, D.E. and Freeman, R. and Korenman, S. },
title= {The labour-market consequences of generational crowding},
year = {1987},
doi = {10.1007/BF01796774},
journal = {European Journal of Population},
volume = {3},
number = {2},
pages = {131--176},
}