1. Efficiency and equity implications of subsidies to secondary education in Kenya;Armitage,1987
2. Estimates of the economic return to schooling from a new sample of twins;Ashenfelter;The American Economic Review,1994
3. Economic Development and Export Growth;Baldwin,1966
4. Comment on ‘Returns to education: A further international up-date and implications’;Behrman;The Journal of Human Resources,1987
5. The quality of schooling: Quantity alone is misleading;Behrman;The American Economic Review,1983