4 IZA Discussion Papers
IZA Discussion Paper No. 12060
IZA Discussion Paper No. 9402
published in: Inequality and Growth: Patterns and Policy, edited by Kaushik Basu and Joseph Stiglitz, Palgrave MacMillan, 2016, Ch. 3, pp 101-127
IZA Discussion Paper No. 8120
revised version published as 'Can Extreme Poverty be Eliminated in Sub-Saharan Africa by 2030?' in: Journal of African Development, 2017, 19 (2), 93 - 110
IZA Discussion Paper No. 8119