General equilibrium trade modelling with Canada–US transportation costs

Chuantian He, Chunding Li () and John Whalley

The Journal of International Trade & Economic Development, 2018, vol. 27, issue 7, 806-829

Abstract: Transportation costs are an important topic in international trade, but seldom have researchers paid attention to general equilibrium trade modelling with transportation costs and explored their relevant effects. This paper uses numerical general equilibrium trade model structures to simulate the impacts of transportation costs on welfare and trade for a Canada–US country pair case. We compare two groups of model structures: Armington assumption models and homogeneous goods models. Within these two groups of models, we also compare balanced trade structures to trade imbalance structures and production function transportation costs to iceberg transportation costs. Armington goods models generate more absolute welfare gains from transportation cost elimination than homogeneous goods models. Welfare gains under balanced trade structures are larger in production function transportation cost scenarios than in iceberg transportation cost scenarios, but under trade imbalance structures, welfare gains are greater under iceberg transportation cost scenarios. Canada's welfare gains in the iceberg transportation cost scenario are significantly larger than gains in the production function transportation cost scenario. On trade effects, homogeneous goods models generate more export and import gains, balanced trade structures have more trade variations, and iceberg transportation costs generate more trade effects.

Date: 2018
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Working Paper: General Equilibrium Trade Modelling with Canada-US Transportation Costs (2017)
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DOI: 10.1080/09638199.2018.1454499

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