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基于公共投资的作用分析了其促进经济增长、影响经济发展方向等经济效应。探析制约公共投资经济效应的因素:公共投资定位不准确;公共投资对私人投资的挤出效应;公共投资结构存在问题;政府公共投资少,效率低。提出优化公共投资的经济效应的路径:明确界定投资范围;货币政策与财政政策;改善投资结构等,以期放大公共投资的经济效应。
Based on the role of public investment, it analyzes the economic effects such as promoting economic growth and affecting the direction of economic development. Exploring the factors restricting the economic effects of public investment: the inaccurate positioning of public investment; the crowding-out effect of public investment on private investment; the problem of public investment structure; the less government public investment and the low efficiency. Put forward the path of optimizing the economic effect of public investment: clear definition of the scope of investment; monetary policy and fiscal policy; improve the investment structure, with a view to amplifying the economic effect of public investment.