4 IZA Discussion Papers
IZA Discussion Paper No. 12470
IZA Discussion Paper No. 7898
published in: Annals of Economics and Statistics, 2013, 111/112, 71-102
IZA Discussion Paper No. 5424
published in: Journal of Applied Econometrics, 2022, 37 (2), 227-241
IZA Discussion Paper No. 4700
published as 'Evidence of Treatment Spillovers within Markets', 2014, 96 (5), 812 - 823