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Intra‐industry Trade and Industry Distribution of Productivity: A Cournot–Ricardo Approach

Intra‐industry Trade and Industry Distribution of Productivity: A Cournot–Ricardo Approach This study constructs a general equilibrium model of trade by incorporating Cournot competition in a Ricardian model of trade with a continuum of goods. In this model, the share of intra‐industry trade (IIT) in bilateral trade volume decreases as trading partners become more different in terms of the industry distribution of labour productivity. We show that this relationship is a special case of a general accounting identity: the intensity of IIT is decreasing in a specialisation index. The specialisation index is equal to the difference in the industry distribution of labour productivity in our Cournot–Ricardo model, while it is equal to the difference in factor endowments in the well‐known monopolistic competition model. As both technologies and factor endowments would play important roles in shaping specialisation patterns, we conjecture that the share of IIT is decreasing in both measures of specialisation. Using the data from Nicita and Olarreaga, we test this conjecture. Our pooled ordinary least squares (OLS) estimations strongly support this conjecture. However, in fixed‐effect panel estimations, only the industry distribution of productivity is significant in the entire sample. Subdividing the sample, we find that the difference in the industry distribution of productivity is significant in explaining North–North IIT, while the difference in factor endowments is significant in explaining North–South IIT. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The World Economy Wiley

Intra‐industry Trade and Industry Distribution of Productivity: A Cournot–Ricardo Approach

Song, E. Young; Sohn, Chan‐Hyun
The World Economy , Volume 35 (4) – Apr 1, 2012
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References (33)

Publisher
Wiley
Copyright
© 2012 Blackwell Publishing Ltd
ISSN
0378-5920
eISSN
1467-9701
DOI
10.1111/j.1467-9701.2012.01446.x
Publisher site
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Abstract

This study constructs a general equilibrium model of trade by incorporating Cournot competition in a Ricardian model of trade with a continuum of goods. In this model, the share of intra‐industry trade (IIT) in bilateral trade volume decreases as trading partners become more different in terms of the industry distribution of labour productivity. We show that this relationship is a special case of a general accounting identity: the intensity of IIT is decreasing in a specialisation index. The specialisation index is equal to the difference in the industry distribution of labour productivity in our Cournot–Ricardo model, while it is equal to the difference in factor endowments in the well‐known monopolistic competition model. As both technologies and factor endowments would play important roles in shaping specialisation patterns, we conjecture that the share of IIT is decreasing in both measures of specialisation. Using the data from Nicita and Olarreaga, we test this conjecture. Our pooled ordinary least squares (OLS) estimations strongly support this conjecture. However, in fixed‐effect panel estimations, only the industry distribution of productivity is significant in the entire sample. Subdividing the sample, we find that the difference in the industry distribution of productivity is significant in explaining North–North IIT, while the difference in factor endowments is significant in explaining North–South IIT.

Journal

The World Economy – Wiley

Published: Apr 1, 2012

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