8LEWIS W A. Economic development with unlimited supplies of labor [J]. The Manchester school, 1954, 22(02): 139-191. 被引量:1
9RANIS G, FEI J C. A theory of economic development[J]. The American Economic Review, 1961: 533- 565. 被引量:1
10TODARO M P. A model of labor migration and urban unemp in less developed countries O J American Economic Review, 59(01): 138-148 yment . The 1969,. 被引量:1