Discussion paper DP769 Migration Theory and Evidence: An Assessment Paul Levine Subrata Ghatak 31 Mar 1993 Human Resources F22 J61 O15
Discussion paper DP641 Towards a European Migration Policy Klaus F. Zimmermann Thomas Straubhaar 1 Mar 1992 Human Resources F22 J11 J68
Discussion paper DP614 Human Capital, Investment and Migration in an Integrated Europe Charles Wyplosz Michael Burda 30 Dec 1991 International Macroeconomics Z F22 J61