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신용광,박민수,송금찬 한국농업정책학회, 한국축산경영학회 2001 농업경영정책연구 Vol.28 No.1
The pig farm groups are divided into several different systems. This paper proposes the non-parametric approach model with different systems, estimates the efficiency of the pig farm group and compares overall performance of the two systems. For the data, 26 farms were surveyed from cooperation performance system and 17 farms from semi-cooperation performance system in 1997. The results can be used to evaluate the overall performance of different pig farm group system.