2 IZA Discussion Papers
IZA Discussion Paper No. 3567
published in: A. de Sherbinin, Rahman, A. Barbieri, J.C. Fotso, Y. Zhu (eds.), Urban Population-Development-Environment Dynamics in the Developing World: Case Studies and Lessons Learned. Paris: CICRED 2009
IZA Discussion Paper No. 2295
published in: M. Collinson, K. Adazu, M. White, S. Findley, (eds.), The Dynamics of Migration, Health and Livelihoods: INDEPTH Network Perspectives, Ashgate, 2009, 128 - 138