运用中国乳制品行业1998—2007年的省际面板数据，采用随机前沿生产函数方法分析了中国乳制品行业生产技术效率的变动状况。
The change in technical efficiency of China's dairy industry was analyzed by the stochastic frontier production function with the 1998-2007 provincial panel data of China's dairy industry introduced.
本文使用1990 - 2003年省级面板数据，尝试性地运用随机前沿生产函数方法来考察中国服务业技术效率的变化状况，并进一步分析了中国服务业技术效率的收敛性。
With a stochastic frontier production function, the paper has analyzed technical efficiency change of China's service industry and its convergence with provincial panel data from 1990 to 2003.
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