3 IZA Discussion Papers
IZA Discussion Paper No. 4572
published in: Economics of Education Review, 2010, 29 (5), 783-794
IZA Discussion Paper No. 3366
published as "Does International Mobility of High-Skilled Workers Aggravate Between-Country Inequality?" in: Journal of Development Economics, 2011, 95 (1), 88 - 94
IZA Discussion Paper No. 1019
revised version published as 'Public infrastructure as a determinant of productive performance in China' in: Journal of Productivity Analysis, 2011. 36 (1), 91 - 111