期刊
AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS
卷 85, 期 1, 页码 121-133出版社
BLACKWELL PUBLISHERS
DOI: 10.1111/1467-8276.00107
关键词
production contracts; productivity; sample selection; technological difference
This article measures the impact of contracting on partial and total factor productivity and the production technology of U.S. hog operations. A sample selection model accounts for the fact that unobservable variables may be correlated with both the operators' decision to contract and farm productivity. Results indicate that the use of production contracts is associated with a substantial increase in factor productivity, and represents a technological improvement over independent production. Results also identify determinants of farmers' decisions to contract and other factors influencing farm productivity.
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