@inbook{Skirbekk2008,
author = {Skirbekk, V. },
title= {Age and productivity potential: A new approach based on ability levels and industry-wide task demand},
year = {2008},
editor = {Prskawetz, A.},
editor = {Bloom, D.},
editor = {Lutz, W.},
booktitle = {Population Aging, Human Capital Accumulation, and Productivity Growth},
address = {New York},
publisher = {Population Council},
}