@inbook {jubilaeum650-5681, title = {Recent Developments in intergenerational mobility}, booktitle = {Handbook of Labor Economics 4/5}, year = {2011}, note = {Export Filemaker Zeile 5681}, pages = {1487{\textendash}1541}, publisher = {North Holland}, organization = {North Holland}, address = {Amsterdam}, keywords = {1945-2000, Soziale Mobilit{\"a}t, Statistik}, url = {http://www.nber.org/papers/w15889}, author = {Sandra E. Black and Paul J. Devereux}, editor = {Orley Ashenfelter and D. Card} } @unpublished {jubilaeum650-5352, title = {Recent Developments in international Mobility}, journal = {NBER Working Papers 15889}, year = {2010}, note = {Export Filemaker Zeile 5352}, pages = {91}, address = {Cambridge, MA}, keywords = {1945-2000, Soziale Mobilit{\"a}t, Statistik}, url = {http://www.nber.org/papers/w15889}, author = {Sandra E. Black and Paul J. Devereux} }