@book{498561,
	author = {Börsch-Supan, A.},
	title = {Reduction of working time: does it decrease unemployment?},
	publisher = {University of Mannheim},
	year = {2002},
	address = {Mannheim},
	url = {http://mea.mpisoc.mpg.de/uploads/user_mea_discussionpapers/dp03.pdf}
}