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首页> 外文期刊>Theoretical Economics Letters >Short and Long-Run Effects of Public Investment: Theoretical Premises and Empirical Evidence
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Short and Long-Run Effects of Public Investment: Theoretical Premises and Empirical Evidence

机译：公共投资的短期和长期影响：理论楼宇和经验证据

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This survey focuses on the impact of public investment as an instrument of economic policy. The study presents and analyzes features and results of the empirical works on this theme taking into account both theory and estimations issues. In general, the studies surveyed support the idea that public investment, if projects are properly selected, raises output and welfare through both demand and supply effects and thus should be the instrument of choice of economic policy for governments and public agencies. Moreover, a considerable amount of empirical studies show that public investments have higher positive growth effects than public consumption both in the short and in the long run. In spite of a great diversity in the theoretical approaches and the empirical results, the studies surveyed tend to converge in many indications that can be useful to policy makers. Among these, in addition to several pointers on the reasons why public investments may be made more effective, is that a major challenge is to provide a new generation of global public goods for sustainable development.
机译：该调查侧重于公共投资作为经济政策工具的影响。研究表明，考虑到理论和估算问题，对此主题的实证工作的特征和结果分析。一般而言，调查的研究支持公共投资的想法，如果项目被正确选择项目，请通过需求和供应效果提高产量和福利，因此应该是政府和公共机构的经济政策选择的选择。此外，大量的实证研究表明，公共投资在短期和长期之后的公共消费比公共消费更高。尽管在理论方法和经验结果的情况下，调查的研究倾向于融合在许多可能对决策者有用的迹象中。其中，除了几个指针之外的原因是为什么公共投资可能更加有效，这是一个重大挑战是为可持续发展提供新一代的全球公共产品。

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