Roadways, Input Sourcing, and Patterns of Specialization

Esteban Jaimovich

No 586, Carlo Alberto Notebooks from Collegio Carlo Alberto

Abstract: We propose a model where the internal transport network facilitates the sourcing of intermediate goods from geographically diffuse locations. A denser internal transport network promotes thus the growth of industries that rely on a large variety of inputs. The model shows that heterogeneities in internal transport infrastructures can become a key factor in shaping comparative advantage and specialization. Evidence based on industry-level trade data grants support to the main prediction of the model: countries with denser road networks export relatively more in industries that exhibit broader input bases. We show that this correlation is robust to several possible confounding effects proposed by the literature, such as the impact of institutions on specialization in complex goods. Furthermore, we show that a similar correlation arises as well when the density of the local transport network is measured by the density of their internal waterways, and also when road density is instrumented with measures of terrain roughness.

Keywords: International Trade; Comparative Advantage; Internal Transportation Costs. (search for similar items in EconPapers)
JEL-codes: F11 O18 R12 (search for similar items in EconPapers)
Pages: pages 64
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Related works:
Journal Article: Roadways, input sourcing, and patterns of specialization (2019)
Working Paper: Roadways, Input Sourcing, and Patterns of Specialization (2018)
Working Paper: Roadways, Input Sourcing, and Patterns of Specialisation (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:cca:wpaper:586

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