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过境运输系统对国际贸易的影响

The Effects of Transit Systems on International Trade
Review of Economics and Statistics · 2022 · Jerónimo Carballo、Alejandro Graziano、Georg Schaur、Christian Volpe Martincus

中文摘要

本文估计了一项过境运输系统升级的贸易效应,该项升级旨在简化发展中国家的边境处理程序。我们的实证方法将萨尔瓦多的交易层面出口数据与一套独特数据相结合,后者能够区分哪些出口货流经由该过境运输系统办理。结果表明,新的过境运输系统降低了监管性边境成本,并增加了出口。按保守估计,我们的粗略测算显示,每投入1美元可获得3美元回报。这一证据为2013年世界贸易组织《贸易便利化协定》所涵盖的相关政策提供了实证依据。

Abstract

Abstract In this paper, we estimate the trade effects of a transit system upgrading that streamlines border processing in developing countries. Our empirical approach combines transaction-level export data from El Salvador with unique data that distinguishes export flows that were processed on the transit system. Our results indicate that the new transit system lowered regulatory border costs and raised exports. At the low end, our back-of-the-envelope estimate of the return to investment is US$ 3-to-1. This evidence informs a policy covered by the 2013 WTO Agreement of Trade Facilitation.
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