7 IZA Discussion Papers
IZA Discussion Paper No. 14195
IZA Discussion Paper No. 13317
IZA Discussion Paper No. 12502
IZA Discussion Paper No. 8137
IZA Discussion Paper No. 7463
published in: Economic Record, 2013, 89 (286), 396-410
IZA Discussion Paper No. 6717
IZA Discussion Paper No. 71
published in: Manchester School, 2000, 68(5), 608-623;
see IZA Reprints 59/00
see IZA Reprints 59/00