8 IZA Discussion Papers
IZA Discussion Paper No. 16033
IZA Discussion Paper No. 15604
IZA Discussion Paper No. 15039
IZA Discussion Paper No. 12807
IZA Discussion Paper No. 12627
IZA Discussion Paper No. 6123
published in: Canadian Public Policy/Analyse de Politiques, 2014, 40 (4), 377-390
IZA Discussion Paper No. 5258
published in: Journal of Human Capital, 2013, 7 (2), 161-189
IZA Discussion Paper No. 716
published in: Journal of Applied Econometrics, 2009, 24 (2), 338-365.
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