@article{Cutler1990,
author = {Cutler, D.M. and Poterba, J.M. and Sheiner, L.M. and Summers, L.H. },
title= {An aging society: opportunity or challenge},
year = {1990},
journal = {Brooking Papers on Economic Activity},
volume = {1990},
number = {1},
pages = {1--73},
}