International Transport costs: New Findings from modeling additive cost

Guillaume Daudin, Jérôme Héricourt and Lise Patureau
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Lise Patureau: LEDa - Laboratoire d'Economie de Dauphine - IRD - Institut de Recherche pour le Développement - Université Paris Dauphine-PSL - PSL - Université Paris Sciences et Lettres - CNRS - Centre National de la Recherche Scientifique

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Abstract: International transport costs do have an additive part. How large is it? Does it matter?This paper provides new answers to these questions. Using information contained in the US imports flows from 1974 to 2019, we develop an empirical model that disentangles the ad-valorem and the additive components of international transport costs. The per-unit component of transport costs rep-resents a sizeable share of total transport costs, between 30% and 45% depending on the year and the transport mode considered. We then investigate the important consequences of additive costs, under two different perspectives. First, modelling varying additive costs modifies the decomposition of transport costs time trend between the reduction in "pure" transport costs and trade composition effects, the latter playing a minor role. Second, we revisit the welfare gains of the transport costreduction in presence of additive costs. In this regard, we shed light on the welfare variations in-duced by the international trade acceleration and the "hyper-globalization", as well as the key role of additive transport costs in determining those welfare variations. Neglecting the additive component substantially underestimates the welfare gains of the transport cost decrease.

Keywords: Transport costs estimates; non-linear econometrics; period 1974-2019; additive costs; trade composition effects; gains from trade; coûts de transport; économétrie non linéaire; période 1974-2019; coûts additifs; effets decomposition du commerce; gains au commerce (search for similar items in EconPapers)
Date: 2022-01-21
New Economics Papers: this item is included in nep-int and nep-tre
Note: View the original document on HAL open archive server: https://hal.science/hal-03538476v1
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Citations: View citations in EconPapers (2)

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Related works:
Journal Article: International transport costs: new findings from modeling additive costs (2022)
Working Paper: International Transport costs: New Findings from modeling additive costs (2022)
Working Paper: International transport costs: New findings from modeling additive costs (2022)
Working Paper: International transport costs: New findings from modeling additive costs (2022)
Working Paper: International Transport costs: New Findings from modeling additive costs (2018)
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