4 IZA Discussion Papers
IZA Discussion Paper No. 10532
published in: Econometric Reviews, 2019, 38 (2), 193-207
IZA Discussion Paper No. 8756
IZA Discussion Paper No. 5268
published as 'The Performance of Estimators Based on the Propensity Score' in: Journal of Econometrics, 2013, 175 (1), 1-21
IZA Discussion Paper No. 1886