@article{Cigno1993,
author = {Cigno, A.},
title= {Intergenerational transfers without altruism: Family, market and state},
year = {1993},
doi = {10.1016/0176-2680(93)90036-T},
journal = {European Journal of Political Economy},
volume = {9},
number = {4},
pages = {505--518},
}