共 5 条
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[2]
“Testing Asset Fixityfor U.S.Agriculture,”. Chambers,R.,&Vasavada,G.U. American Journal of AgriculturalEconomics . 1983
[3]
“An Opportunity CostView of Fixed Asset Theory and the Overproduction Trap,”. Johnson,M.A.,&Pasour,E.C. American Journal of Agricultural Economics . 1981
[4]
“The Demand for Inputs in Agricultureand a Derived Supply Elasticity,”. Griliches,Zvi. Journal of Farm Economics . 1959
[5]
“Agricultural Outlook,”. Economic Research Service/USDA. http://ers.usda.gov/ . 2002