3 IZA Discussion Papers
IZA Discussion Paper No. 11705
published in: China Economic Review, 2019, 53, 87-105
IZA Discussion Paper No. 5352
published in: Robert Gibbons and John Roberts (eds.) Handbook of Organizational Economics, Princeton University Press, 2012
IZA Discussion Paper No. 4373
published in: American Journal of Agricultural Economics, 2010, 91 (1), 28 - 41