103 IZA Discussion Papers
IZA Discussion Paper No. 1306
IZA Discussion Paper No. 1295
published as 'Effect of Secondary School Fees on Educational Attainment' in: Scandinavian Journal of Economics, 2012, 114 (1), 147 - 176
IZA Discussion Paper No. 1091
published in: Labour Economics, 2007, 14 (2), 201-230