3 IZA Discussion Papers
IZA Discussion Paper No. 10427
published in: Journal of the Association of Environmental and Resource Economists, 2020, 7 (3), 417-454.
IZA Discussion Paper No. 8594
published in: World Bank Economic Review, 2017, 31 (3): 631–649.
IZA Discussion Paper No. 6195
revised version published in: Journal of Development Effectiveness, 2011, 3 (4), 567-588