@article{Weil1999,
author = {Weil, D.N.},
title= {Why has fertility fallen below replacement in industrial nations, and will it last? Population growth, dependency, and consumption},
year = {1999},
doi = {10.1257/aer.89.2.251},
journal = {The American Economic Review},
volume = {89},
number = {2},
pages = {251--255},
}