共 17 条
[4]
GATES B, 2000, TIME 0619
[5]
Greene H.W., 2008, ECONOMETRIC ANAL, V6th
[7]
LEWIS P, 1992, NY TIMES 0616
[8]
Lusk JL, 2005, J AGR RESOUR ECON, V30, P28
[10]
Moschini G., 2000, Agribusiness (New York), V16, P33, DOI 10.1002/(SICI)1520-6297(200024)16:1<33::AID-AGR4>3.0.CO