共 32 条
- [21] MELLOR J, ECONOMICS AGRICULTUR, pCH8
- [22] PHELPS ES, 1970, MACROECONOMIC F EMPL
- [23] RANSOM R, TO BE PUBLISHED
- [24] SCHULTZ TW, 1964, ECONOMIC VALUE EDUCA
- [25] SMITH AR, 1975, NY TIMES MAGAZI 0720
- [26] SRINIVAS MN, 1967, SOCIAL CHANGE MODERN, P7
- [27] INCENTIVES AND RISK SHARING IN SHARECOPPING [J]. REVIEW OF ECONOMIC STUDIES, 1974, 41 (02) : 219 - 255
- [28] TOYNBEE A, 1972, STUDY HISTORY NEW ED, P43
- [29] Veblen T., 1899, THEORY LEISURE CLASS
- [30] WELCH F, 1967, J POLITICAL ECONOMY, V75, P584