Identifying transport policy priorities through a meta-analysis of cost-benefit analysis in the Netherlands and Flanders

IF 6.3 2区 工程技术 Q1 ECONOMICS
Simon Bothof , Geert te Boveldt , Kobe Boussauw
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Abstract

In this paper we assess cost-benefit analysis (CBA) reports and outcomes for transport projects in the Netherlands and Flanders between 2010 and 2024. CBA has been used extensively to evaluate potential investments in transport infrastructure, and to compare options. We investigate which factors contribute most to the Net Present Value (NPV) of CBAs and to what extent social, ecological and economic criteria are relevant to the outcomes of the evaluation. Results show that on average 80 % of monetized effects stem from economic criteria, whereas social (15 %) and ecological (5 %) criteria contribute far less to the outcome. This is also reflected in the finding that for 90 % of the cases the exclusion of social and ecological criteria does not change the outcome of the NPV calculation (from positive to negative, or vice-versa). Although sustainability is becoming increasingly important in the discourse around transport infrastructure, both social and ecological aspects of sustainability have only a minor impact on the NPVs and outcomes of CBAs for transport projects in the two territories and the time period under investigation. This implies that most transport investments do not specifically target sustainability issues, or that CBA does not reflect these considerations.
通过对荷兰和佛兰德斯的成本效益分析进行荟萃分析,确定交通政策的优先事项
在本文中,我们评估了2010年至2024年期间荷兰和佛兰德斯运输项目的成本效益分析(CBA)报告和结果。CBA已被广泛用于评估交通基础设施的潜在投资,并比较各种选择。我们研究了哪些因素对cba的净现值(NPV)贡献最大,以及社会、生态和经济标准在多大程度上与评估结果相关。结果表明,平均80%的货币化效应源于经济标准,而社会(15%)和生态(5%)标准对结果的贡献要小得多。这也反映在研究结果中,即在90%的情况下,排除社会和生态标准不会改变NPV计算的结果(从正到负,或反之亦然)。尽管可持续性在围绕交通基础设施的讨论中变得越来越重要,但可持续性的社会和生态方面对两个地区和调查期间交通项目的npv和cba结果的影响都很小。这意味着大多数交通投资并没有专门针对可持续性问题,或者CBA没有反映这些考虑。
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来源期刊
Transport Policy
Transport Policy Multiple-
CiteScore
12.10
自引率
10.30%
发文量
282
期刊介绍: Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.
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