3 IZA Discussion Papers
IZA Discussion Paper No. 14167
IZA Discussion Paper No. 7841
published as 'The Effect of Deficiency at English on Female Immigrants' Wage in the UK: Correcting for measurement error, endogenous treatment, and sample selection bias' in: Applied Economics Letters, 2021, 28 (5), 349-353
IZA Discussion Paper No. 2383
published in: Journal of Applied Econometrics, 2009, 24 (5), 735–762