5 IZA Discussion Papers
IZA Discussion Paper No. 12486
published in: Stata Journal, 2020, 20(2), 297-308
IZA Discussion Paper No. 8256
published in: Journal of Econometrics, 2018, 203 (1), 129-142
IZA Discussion Paper No. 4334
published in: Econometric Theory, 2013, 29 (1), 213-224
IZA Discussion Paper No. 669
IZA Discussion Paper No. 365
published in: Empirical Economics, 2004, 29 (4), 855-885