4 IZA Discussion Papers
IZA Discussion Paper No. 7639
Published in: J. Aurini, S. Davies and J. Dierkes (Eds.): Out of the Shadows: The Global Intensification of Supplementary Education (International Perspectives on Education and Society, Volume 22) Emerald Group. pp.23 – 66.Out of the Shadows? An Introduction to World-Wide Supplementary Education (International Perspectives on Education and Society, Volume 22), 2014, 23-66
IZA Discussion Paper No. 3471
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. 1255
revised version published as 'Demand for education in Turkey: A tobit analysis of private tutoring expenditures' in: Economics of Education Review, 2006, 25, 303-313