主产区玉米生产全要素生产率提高主要是由于技术进步速度大于技术效率下降的速度。
Result shows that corn production in main producing areas is mainly scale inefficiency and is at the stage of decreasing returns to scale.
从长期的角度来看，经济增长的主要原因则是要素供给的增加和全要素生产率的提高。这些因素都与进口和利用外资有着密切的关系。
In a long run, the main causes for economic growth are the increased supply of factor endowment and the improvement of TFP (Total fact Productivity), which are connected with import closely.
此外，北京高技术企业及各行业技术创新活动的技术变动对全要素生产率的提高均有贡献。
In addition, it has contributed to improve total factor productivity by changes in technology innovation activities in the Beijing high-tech enterprises and other industry.
此外，北京高技术企业及各行业技术创新活动的技术变动对全要素生产率的提高均有贡献。
In addition, it has contributed to improve total factor productivity by changes in technology innovation activities in the Beijing high-tech enterprises and other industry.
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