@article{Ludwig2012,
author = {Ludwig, A. and Schelkle, T. and Vogel, E. },
title= {Demographic Change, Human Capital and Welfare},
year = {2012},
doi = {10.1016/j.red.2011.07.001},
journal = {Review of Economic Dynamics },
volume = {15},
number = {1},
pages = {94--107},
}