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本文构建了二级三要素CES生产函数,把要素投入分为R&D投入与非R&D投入两个部分,计算了重庆第三产业五个主要行业的R&D投入与非R&D投入的替代弹性和产出弹性。研究发现这些行业目前都处于规模报酬递增阶段,人力投入与资本投入之间的替代弹性平均约为1,R&D资本投入替代弹性比R&D人力投入替代弹性小,非R&D投入的产出弹性高于R&D投入的产出弹性。最后根据研究结论提出了对策建议。
In this paper, a two-level three-factor CES production function is constructed. The factors are divided into two parts: R & D investment and non-R & D investment. The substitution elasticity and output elasticity of R & D investment and non-R & D investment in five major industries of Chongqing tertiary industry are calculated . The research shows that these industries are currently in the stage of increasing returns to scale. The average elasticity of substitution between capital investment and manpower input is about 1. The substitution elasticity of R & D investment in capital is lower than that of R & D investment, and the output elasticity of non-R & D investment is higher than that of R & D investment Input output flexibility. Finally, according to the conclusions of the study put forward countermeasures and suggestions.