2 IZA Discussion Papers
IZA Discussion Paper No. 578
revised version published as 'Changes in Attitudes toward Immigrants in Europe: Before and After the Fall of the Berlin Wall', in: Gil S. Epstein, Ira N. Gang (eds.), Migration and Culture, Emerald, 2010, 649-676
IZA Discussion Paper No. 187
published in: Swedish Economic Policy Review, 2000, 7 (2), 11-53