美国商品粮食运输铁路费率随时间的变化

IF 4.6 3区工程技术 Q1 ECONOMICS

Research in Transportation Economics Pub Date : 2023-10-10 DOI:10.1016/j.retrec.2023.101359

Keaton Miller, Wesley W. Wilson

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引用次数: 0

摘要

美国铁路业的放松管制在很大程度上被认为是成功的，因为交通和行业整合的组合变化导致成本和费率下降。然而，利率的下降速度没有成本那么快，自2000年以来，利率一直在上升，而许多成本指标保持相对稳定。我们使用2000-2016年的农业运输样本调查了铁路费率的这些变化。我们提供的证据表明，即使在控制了燃料等成本驱动因素的变化后，价格和决定因素之间的关系也会随着时间的推移而变化，这表明铁路定价规则推动了托运人面临的费率上涨。

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Changes in rail rates for U.S. commodity grain shipments over time

The deregulation of the U.S. railroad industry has largely been considered a success, as costs and rates have fallen due to changes in the mix of traffic and industry consolidation. However, rates did not fall as quickly as costs, and since 2000 rates have been rising while many measures of cost have remained relatively stable. We investigate these changes in rail rates using a sample of agricultural shipments from 2000–2016. We provide evidence that even after controlling for changes in cost drivers such as fuel, the relationships between prices and determinants have changed over time, suggesting that railroad pricing rules have driven increases in rates faced by shippers.

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来源期刊

Research in Transportation Economics Multiple-

CiteScore

8.40

自引率

2.60%

发文量

审稿时长

60 days

期刊介绍： Research in Transportation Economics is a journal devoted to the dissemination of high quality economics research in the field of transportation. The content covers a wide variety of topics relating to the economics aspects of transportation, government regulatory policies regarding transportation, and issues of concern to transportation industry planners. The unifying theme throughout the papers is the application of economic theory and/or applied economic methodologies to transportation questions.