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规模化养猪企业生产成本结构动态分析及其调控技术研究
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作者 陈顺友 杨树光 《江西畜牧兽医杂志》 2000年第2期13-16,共4页
采用了华中农业大学试验猪场 1987~1997年的财务报表中成本、收入资料,运用了 Cobb-Douglas函数模型,即 C—D函数对数据进行了处理与分析,得出各类型成本变化对总收入的影响,并对生产成本结构进行了分析,... 采用了华中农业大学试验猪场 1987~1997年的财务报表中成本、收入资料,运用了 Cobb-Douglas函数模型,即 C—D函数对数据进行了处理与分析,得出各类型成本变化对总收入的影响,并对生产成本结构进行了分析,对其调控技术进行了探索。 展开更多
关键词 规模化养猪场 边际分析 成本控制 生产成本结构
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Intellectual Property Rights on Plant Genetic Resources:Perspective from Economics
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作者 Zhang Caixia Zhou Yanping 《Chinese Journal of Population,Resources and Environment》 2012年第4期59-63,共5页
Given the existence of transaction costs,the location of property rights is an important factor in determining the incentives for efficient levels of investment at various levels of the industry.This paper applies som... Given the existence of transaction costs,the location of property rights is an important factor in determining the incentives for efficient levels of investment at various levels of the industry.This paper applies some of the economic theories of property rights and industrial structure to the issues concerning the conservation of biodiversity.Although the expansion of Intellectual Property Rights (IPR) systems into the area of genetic resources has increased private investment in R&D process of the agriculture,it does not generate enough incentives for in situ conservation of biodiversity.To solve this economic inefficiency,farmers'rights and other design of incentives and institutional arrangement should be reconsidered. 展开更多
关键词 IPR genetic resources conservation of biodiversity sustainable use
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