@article{Becker1998,
author = {Becker, C.M. and Urzhumova, D.S.},
title= {Pension burdens and labor force participation in Kazakstan},
year = {1998},
doi = {10.1016/S0305-750X(98)00107-7},
journal = {World Development},
volume = {26},
number = {11},
pages = {2087--2103},
}