共 3 条
[1]
The Econometrics of Damage Control:Why Specification Matters. Lichtenberg E,and Zilberman D. American Journal of Agricultural Economics . 1986
[2]
Human capital,adjustments in subjective probabilities,and the demand for pest controls. Pingali P L.and Carlson G A. American Journal of Agricultural Economics . 1985
[3]
Transgenic Varieties and Productivity of Smallholder Cotton Farmers in China. Huang J,Hu R,Rozelle S,Qiao F,and Pray C. Australian Journal of Agricultural and Resource Economics . 2002