评估装卸区对新兴市场的影响：墨西哥的证据

IF 7.3 1区工程技术 Q1 ENVIRONMENTAL STUDIES

Transportation Research Part D-transport and Environment Pub Date : 2024-11-12 DOI:10.1016/j.trd.2024.104486

Camilo A. Mora-Quiñones , Jan C. Fransoo , Josué C. Velázquez-Martínez , Leopoldo Eduardo Cárdenas-Barrón , Rafael Escamilla

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引用次数: 0

摘要

我们研究了装卸区（LUZ）对新兴市场的影响，重点关注其对空气质量和噪声污染的影响。我们在墨西哥萨波潘市中心进行了实地实验。我们采用准实验差分法来分析专用装卸区实施前后空气质量和噪声污染的变化。结果表明，在设立 LUZ 后，早晨的二氧化碳含量大幅降低了 3.55%，噪音降低了 14%。此外，对参与 "最后一英里 "配送的公司构成的深入研究显示，这些公司主要依赖微型和小型企业，通常使用个人车辆进行货物运输，其中相当一部分货运车辆的车龄超过十年。我们为现有文献做出了贡献，提供了路易区对减轻与最后一英里运营相关的负外部性的影响的证据，尤其是在发展中城市。

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Assessing the impact of loading-unloading zones in emerging markets: Evidence from Mexico

We investigate the impact of dedicated loading–unloading zones (LUZs) in emerging markets, focusing on their effects on air quality and noise pollution. We conduct a field experiment in downtown area of Zapopan, Mexico. We use a quasi-experimental difference-in-difference approach to analyze changes in air quality and noise pollution before and after implementing the dedicated LUZs. The results indicate a significant reduction of up to 3.55% in CO₂ levels in the mornings and a 14% decrease in noise following the establishment of LUZs. Moreover, insights into the composition of companies involved in last-mile distributions reveals a predominant reliance on micro and small businesses, often utilizing personal vehicles for cargo transport, with a significant portion of freight vehicles being over a decade old. We contribute to the existing literature by providing evidence of the impact of LUZs on mitigating negative externalities associated with last-mile operations, particularly in a developing city.

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来源期刊

Transportation Research Part D-transport and Environment 工程技术-运输科技

CiteScore

14.40

自引率

9.20%

发文量

314

审稿时长

39 days

期刊介绍： Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.