2 IZA Discussion Papers
IZA Discussion Paper No. 12160
published in: Empirica, 2019, 46 (4), 669-690.
IZA Discussion Paper No. 4538
published as 'Happiness in Europe: Cross-country differences in the determinants of satisfaction with main activity' in: Journal of Socio Economics, 2011, 40 (5), 480 - 489