1. IZA Discussion Paper;P Andersson,2007
2. Anselin, L., 2006, Spatial Econometrics, in: Palgrave Handbook of Econometrics 1. Mills, T.C., K. Patterson, Hrsg. New York: Palgrave Macmillan. 901–969.
3. Arai, M. und R. Vilehelmsson, 2004, Unemployment-risk differentials between immigrant and native workers in Sweden. Industrial Relations 34:690–698.
4. Åslund, O., 2005, Now and forever? Initial and subsequent location choices of immigrants. Regional Science and Urban Economics 35: 141–165.
5. Bandyopadhyay, S., C.C. Coughlin und H.J. Wall, 2008, Ethnic networks and US exports. Review of International Economics 16: 199–213.