@TechReport{CEPII:2011-13,
author={Xavier Chojnicki and Lionel Ragot},
title={Impacts of Immigration on Aging Welfare-State An Applied General Equilibrium Model for France},
year=2011,
month=May,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=3389},
number={2011-13},
}