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Efficiency analysis of Chinese industry: A directional distance function approach

机译：中国产业效率分析：方向距离函数法

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摘要

Two efficiency measures of Chinese industry were estimated at the provincial level from 1994 to 2002, using a directional output distance function. One is a traditional efficiency measure that considers only desirable output, while the other considers both desirable and undesirable outputs simultaneously. A comparison of the two measures revealed that efficiency levels are biased only if desirable output is considered. Five coastal provinces/municipalities that have attracted a large amount of foreign direct investment are found to be the most efficient when only desirable output is considered, and also when both desirable and undesirable outputs are considered. However, omitting undesirable output tends to lead to an overestimate of industrial efficiency levels in Shandong, Sichuan, and Hebei provinces. We also found that a province's industrial structure has significant effects on its efficiency levels.
机译：使用定向输出距离函数，从1994年到2002年在省一级估计了中国工业的两种效率测度。一种是传统的效率度量，仅考虑期望的输出，而另一种则同时考虑期望和不期望的输出。两种方法的比较表明，只有在考虑了期望的输出时，效率水平才会出现偏差。当只考虑理想的产出，同时考虑理想和不理想的产出时，五个吸引了大量外国直接投资的沿海省/自治区被认为是最有效的。但是，忽略不希望的产出往往会导致山东，四川和河北省的工业效率水平被高估。我们还发现，一个省的产业结构对其效率水平有重大影响。

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