4 IZA Discussion Papers
IZA Discussion Paper No. 16202
forthcoming as 'On the (Mis)Use of the Fixed Effects Estimator' in: Oxford Bulletin of Economics & Statistics, 2025
IZA Discussion Paper No. 1935
IZA Discussion Paper No. 766
IZA Discussion Paper No. 78
published in: Empirical Economics, 2005, 30 (1), 1-22