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英国著名政经杂志《经济学人》曾提出:克强指数比官方GDP更能客观反映中国经济的现实状况。笔者以此为依托,利用克强指数替代GDP作为产出变量,从传统和质量两个视角进行分析研究。笔者采用DEA-Malmquist模型对中国29个省区2000年~2012年的全要素生产率进行再估算,通过横向和纵向比较,分析了区域全要素生产率的差异及其收敛性特征。研究表明:相对于传统视角,质量视角下的全要素生产率显著降低,这进一步验证了克强指数下无论传统还是质量的TFP都要比GDP下TFP描述得准确、合理。技术进步成了区域间克强指数下质量TFP差异的主因。
The famous British political and economic magazine “Economist” has put forward: Keqiang index more objective than the official GDP to reflect the reality of China’s economy. Based on this, the author uses the gram-strong index instead of GDP as the output variable, and analyzes and studies from both traditional and qualitative perspectives. The author uses DEA-Malmquist model to re-estimate total factor productivity of 29 provinces and autonomous regions in China from 2000 to 2012. Through the horizontal and vertical comparison, this paper analyzes the difference of regional total factor productivity and its convergence characteristics. The results show that the total factor productivity in quality perspective is significantly lower than the traditional perspective, which further verifies that TFP, both traditional and qualitative, is more accurate and reasonable than TFP under GDP. Technological advances have become the main reason for the difference in quality TFP between regions under the GQ index.