45 IZA Discussion Papers
IZA Discussion Paper No. 2243
published in: Journal of Econometrics, 2011, 160 (2), 326-348
IZA Discussion Paper No. 2196
published in: Journal of the American Statistical Association, 2009, 104 (485), 325-337
IZA Discussion Paper No. 2047
published in: Econometric Review, 2012, 32 (1), 84 - 125
IZA Discussion Paper No. 1240
published in: Empirical Economics, 2021, 60, 13–50
IZA Discussion Paper No. 1236
published in: L. Mátyás and P. Sevestre (eds.), The Econometrics of Panel Data, Springer 2008 (3rd ed.)