5 IZA Discussion Papers
IZA Discussion Paper No. 10800
IZA Discussion Paper No. 9264
IZA Discussion Paper No. 5091
published in: Journal of Population Economics, 2013, 26 (4), 1585-1608
IZA Discussion Paper No. 2732
revised version published as 'Voluntary leadership: motivation and influence' in: Social Choice and Welfare, 2013, 40 (3), 635-662.
IZA Discussion Paper No. 1775