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以私营资本雄厚的温州地区为例,采用2013—2015年温州市的私营企业投资航天、铁路和船舶等基础产业的数据,运用协整理论、格兰杰关系检验以及误差修正模型,在分析近24个月私营企业投资基础设施项目的信息熵和均衡度的基础上,进一步检验私营企业投资额和经济产出额之间的动态关系。结果表明:1私营企业投资到基础设施项目建设中的程度会增加、结构趋于平衡,且随着时间的推移,经济发展的步伐加快,投资结构也会调整;2私营企业对航天、铁路以及船舶的投资额均能引起基础设施产出额的增长,且均具有单向的影响;3温州私营企业投资额与基础设施项目的经济产出额能保持长期的协整关系,且根据温州特有的地域优势,私营企业未来会对船舶投资有所侧重,铁路次之。总的来说,私营企业投资会促进基础设施项目的经济增长,从而促进国内经济发展。
Taking the rich private capital Wenzhou as an example, this paper uses the data of private enterprises in Wenzhou City from 2013 to 2015 to invest in basic industries such as aerospace, railway and shipbuilding. By using cointegration theory, Granger relationship test and error correction model, Based on the information entropy and equilibrium of 24-month private-sector investment infrastructure projects, further examines the dynamic relationship between private-sector investment and economic output. The results show that: 1 Private enterprises invest more in the construction of infrastructure projects and the structure tends to balance. With the passage of time, the pace of economic development is accelerating and the investment structure will also be adjusted. 2 Private enterprises have great influence on aerospace, railways and The investment amount of ships all can cause the output of infrastructure to increase, and all have unidirectional influence; 3 Wenzhou private enterprise investment and the economic output of infrastructure projects can maintain the long-term cointegration relationship, and according to Wenzhou unique Of the geographical advantages, the private sector will focus on the future investment in shipping, followed by the railway. In general, private sector investment will boost the economic growth of infrastructure projects and thus boost the domestic economy.