5 IZA Discussion Papers
IZA Discussion Paper No. 6274
published in: Journal for Labour Market Research, 2012, 45 (2), 161-170
IZA Discussion Paper No. 4981
IZA Discussion Paper No. 4474
published in: Asia-Pacific Development Journal, 2010, 17 (1), 63-96
IZA Discussion Paper No. 2907
published in: Journal of Development Studies, 2008, 44 (5), 701-727