The more I live the more I learn. The more I learn the more I realize the less I know (Alan and Manly Bergman) This book is a slightly revised version of my dissertation thesis "Wages, hours restrictions and employment" accepted in July 2001 by the Department of Economics at Mannheim University. Most of the studies are part of the re search project "Working hours flexibility and employment" (Arbeitszeitjlexi bilisierung und Beschiijtigung) which was conducted at the Centre for Euro pean Economic Research (ZEW) with financial support by the Fritz Thyssen Stiftung. Now that all the work is...