我国固定资产投资边际效率问题研究
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引用本文:王 青 壮.我国固定资产投资边际效率问题研究[J].经济数学,2019,(4):27-31
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作者单位
王 青 壮 (中国建设银行股份有限公司,北京 100033) 
中文摘要:将回归分析与边际效用理论有机结合,深入研究我国固定资产投资对GDP边际贡献问题.研究结果表明在整个正实数区间内高技术产业固定资产投资对GDP边际贡献高于全社会固定资产投资和城镇房地产开发固定资产投资对GDP边际贡献;在0~349578.8207亿元投资区间内,城镇房地产开发固定资产投资对GDP边际贡献高于全社会固定资产投资边际贡献平均水平;当投资额度大于349578.8207亿元时,城镇房地产开发固定资产投资对GDP边际贡献小于全社会固定资产投资边际贡献平均水平.研究结果印证了科技是第一生产力的论断,同时也与我国当前控制房地产开发投入、鼓励发展高新技术产业等宏观经济政策相吻合.
中文关键词:GDP总量  固定资产投资完成额  经济结构调整  回归分析  边际效率
 
Research on Marginal Efficiency of Fixed Assets Investment in China
Abstract:This paper combines regression ananlysis with marginal utility theory to intensively study the marginal contribution of fixed assets investment to GDP in China. The results show that the marginal contribution to GDP of fixed assets investment of high tech industry is higher than that of fixed assets investment of whole society and urban real estate development in the whole real number range. The marginal contribution of fixed assets investment to GDP in urban real estate development is higher than the average contribution of fixed assets investment in the whole society in the investment range from 0 to 34957.820 billion yuan. When the amount of investment is more than 349578.8207 billion yuan, the marginal contribution to GDP of fixed assets investment in urban real estate development is less than the average contribution of fixed assets investment in the whole society.The research results confirm the conclusion that science and technology are the primary productivity, and also coincide with the macroeconomic policies such as controlling investment in real estate development and encouraging the development of high-tech industries.
keywords:total GDP  fixed asset capacity investment  economic restructurin  regression analysis  marginal efficiency
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