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Transport infrastructure investment: implications for growth and productivity

机译:运输基础设施投资:对增长和生产力的影响

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摘要

Theory and evidence on the effects of public investment on growth and productivity are reviewed. It is concluded that, on average, public capital has positive impacts on output and private investment, partly offset by the effects of the taxation needed to finance it. A possible future shortfall in public capital in the UK is highlighted. The paper also reviews the contribution of transport infrastructure to productivity and considers implications for cost-benefit analysis. It is suggested that there is a case for greater UK investment in roads but, ideally, this should be implemented along with an efficient national road-pricing scheme.
机译:审查了有关公共投资对增长和生产力的影响的理论和证据。结论是,平均而言,公共资本对产出和私人投资产生积极影响,但部分被其所需的税收影响所抵消。着重指出了英国公共资本未来可能会短缺。本文还回顾了运输基础设施对生产力的贡献,并考虑了成本效益分析的意义。建议在英国增加对道路的投资,但理想情况下,应与有效的国家道路定价计划一起实施。

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