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

Cho, Gordon, James E. Moore II, Pan, Park and Harry W. Richardson

Transportation Planning and Technology, 2015, vol. 38, issue 5, 483-502

Abstract: 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.

Date: 2015
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DOI: 10.1080/03081060.2015.1039230

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