衡量公共交通项目的空气污染效益

IF 3.5 2区经济学 Q1 ECONOMICS

Regional Science and Urban Economics Pub Date : 2023-12-30 DOI:10.1016/j.regsciurbeco.2023.103976

Maureen Cropper , Palak Suri

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引用次数: 0

摘要

我们以发展中国家的地铁项目为重点，讨论了估算公共交通项目对空气质量影响的两种方法：空气质量建模和简化计量经济学方法。正如我们所说明的，污染物化学成分、车辆排放系数和模式转变所隐含的地铁项目污染减排效果可能与计量经济学估算的公交项目对环境污染浓度的影响不同。我们将讨论这两种方法，并说明经济学研究人员如何使用与公交项目和污染物化学成分相关的减排估算值来检验他们对环境浓度变化的估算值。

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Measuring the air pollution benefits of public transport projects

We discuss two approaches to estimating the air quality impacts of public transit projects, focusing on Metro projects in the context of developing countries: air quality modeling and reduced-form econometric methods. As we illustrate, pollution reductions due to Metro projects implied by pollutant chemistry, vehicle emissions factors, and modal shifts may differ from econometric estimates of the impact of transit projects on ambient pollution concentrations. We discuss both approaches and illustrate how economics researchers can use estimated emissions reductions associated with a transit project and pollutant chemistry as a check on their estimates of changes in ambient concentrations.

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来源期刊

Regional Science and Urban Economics Multiple-

CiteScore

5.30

自引率

9.70%

发文量

期刊介绍： Regional Science and Urban Economics facilitates and encourages high-quality scholarship on important issues in regional and urban economics. It publishes significant contributions that are theoretical or empirical, positive or normative. It solicits original papers with a spatial dimension that can be of interest to economists. Empirical papers studying causal mechanisms are expected to propose a convincing identification strategy.