23 IZA Discussion Papers
IZA Discussion Paper No. 5790
published in: Journal of Economic Psychology, 2012, 33 (2), 319-324
IZA Discussion Paper No. 4297
published in: Journal of Economics and Statistics - Jahrbücher für Nationalökonomie und Statistik, 2013, 233(5+6), 619-637
IZA Discussion Paper No. 745
published in: German Economic Review, 2005, 6 (3), 331-353
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