最后构造了煤炭企业全要素生产率模型，并进行了煤炭企业技术进步的综合评价。
Finally, all factor productivity model was established, which can give an overall evaluation of technical progress in an enterprise.
利用时变参数模型和面板数据模型，可以对积极财政政策的全要素生产率增长效应进行分析。
This paper uses time-varying parameter model and panel data model to analyze the effects of the active fiscal policy on total factor productivity of national economy and provincial economy in China.
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