5 IZA Discussion Papers
IZA Discussion Paper No. 14817
IZA Discussion Paper No. 9693
IZA Discussion Paper No. 6024
revised version published as 'Financing Growth Through Foreign Aid and Private Foreign Loans: Nonlinearities and Complementarities' in: Journal of International Money and Finance, 2015, 56, 75-96
IZA Discussion Paper No. 3191
published in: American Economic Journal: Macroeconomics, 2010, 2 (1), 93-130
IZA Discussion Paper No. 1052
published in: European Economic Review, 2007, 51 (8), 1941-1958