3 IZA Discussion Papers
IZA Discussion Paper No. 9782
published in: Review of Economics and Statistics, 2020, 102 (2), 355–367.
IZA Discussion Paper No. 7286
published in: Econometrica, 2013, 81 (5), 2055–2086
IZA Discussion Paper No. 3966
published in: Journal of Statistical Planning and Inference, 2010, 140 (7), 2122-2137