44 IZA Discussion Papers
IZA Discussion Paper No. 811
发表于:劳动经济学的研究,2007年, 26, 299-336
IZA Discussion Paper No. 665
revised version published as 'Fancy a stay at the 'Hotel California'? in: Kyklos, 2005, 58 (4), 519-535
IZA Discussion Paper No. 55
published in: Jahrbücher für Nationalökonomie und Statistik, 1999, 219 (3/4), 308-325
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