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TransNIEMO: economic impact analysis using a model of consistent inter-regional economic and network equilibria

机译:TransNIEMO:使用一致的区域间经济和网络平衡模型进行经济影响分析

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摘要

We describe a model that integrates a multiregional input-output (I-O) model of the USA (for 50 States and the District of Columbia) with the national highway network. Inter-state commodity shipments are placed on a congestible highway network. Simulations of major choke-point disruptions redirect traffic which increases the costs of some shipments. Increased costs show up in higher prices which help to determine a new I-O equilibrium. We find economic and network equilibria that are consistent. The simulations show only moderate economic impacts. We ascribe this to the resilience of the highway network. The model provides State-level detail on who bears the costs of the disruptions.
机译:我们描述了一个模型,该模型将美国(针对50个州和哥伦比亚特区)的多区域投入产出(I-O)模型与国家公路网相集成。州际商品运输被放置在拥挤的高速公路网络上。对主要阻塞点中断的仿真将流量重定向,这增加了某些货运的成本。增加的成本以较高的价格显示,这有助于确定新的I-O平衡。我们发现经济和网络平衡是一致的。模拟仅显示出适度的经济影响。我们将此归因于高速公路网络的弹性。该模型提供了由谁承担中断成本的州级详细信息。

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