5 IZA Discussion Papers
IZA Discussion Paper No. 15970
forthcoming in: Journal of Law and Economics
IZA Discussion Paper No. 11218
IZA Discussion Paper No. 3813
published in: Journal of the European Economic Association, 2009, 7, (2-3), 519–527
IZA Discussion Paper No. 953
发表于:瑞典经济政策回顾,2003, 10 (2), 143-170
IZA Discussion Paper No. 952
published in: Economic Journal, 2006, 116 (508), 200-222
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