3 IZA Discussion Papers
IZA Discussion Paper No. 11350
published in: Economic Record, 2018, 94 (S1), 73-101
IZA Discussion Paper No. 8234
published in: American Journal of Agricultural Economics, 2015, 97 (2), 414–434
IZA Discussion Paper No. 6853
published in: China Economic Review, 2013, 26, 75-88