@techreport{Immervoll2006,
author = {Immervoll, H. and Barber, D.},
title= {Can Parents Afford to Work? Childcare Costs, Tax-Benefit Policies and Work Incentives},
year = {2006},
publisher = {The Institute for the Study of Labor IZA},
address = {Bonn},
number = {IZA Discussion Papers; 1932},
}