4Asteriou D, Agionmirgianakis G M. Human capital and Economic growth time series Evidence From Greece [J]. Journal of Policy Modeling, 2001, 23:481 -489.
5Nee Victor. Social Inequalities in Reforming State Social - ism: Between Redistribution and Markets in China [ J ]. American Sociological Review, 1991, 56:267 - 282.
6Lucas R. E: On the Mechanics of Economic Development [J]. Journal of Monetary Economics, 1988, 22:3 -42.
7Carney D. Implementing the Sustainable Livelihoods Approach in Sustainable Rural Livelihoods: What Contribution Can We Make? [M]. London, Department for International Development, 1998. 23.
8Sen A. Poverty and Famines: An Essay on Entitlement and Deprivation [ M]. Oxford: Clarendon Press, 1981.
9Chambers R. , Conway G. Sustainable Rural Livelihoods: Practical Concepts for the 21st Century [ R]. IDS Discussion Paper 296, Institute of Development Studies, Brighton, 1992.
10Edwards A. C. , Ureta M. International Migration, Remittances, and Schooling: Evidence from El Salvador [J]. Journal of Development Economics, 2003, Special Issue, 72 (2) : 429 -61.