4 IZA Discussion Papers
IZA Discussion Paper No. 3165
revised version published as "Choosing the Best Training Programme: Is there a Case for Statistical Treatment Rules?" in: Oxford Bulletin of Economics and Statistics, 2010, 72 (2), 172-201
IZA Discussion Paper No. 3085
published in: Schweizerische Zeitschrift für Volkswirtschaft und Statistik / Swiss Journal of Economics and Statistics, 2009, 145 (3), 221-268
IZA Discussion Paper No. 2187
published in: Journal of the American Statistical Association, 2008, 103 (482), 547-558
IZA Discussion Paper No. 728
published in: Labour Economics, 2007, 14 (2), 135-151