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Uncertainty, arbitrage and intra–industry trade

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  • Sudipto Dasgupta
  • Tridip Ray
  • Kit Pong Wong

Abstract

When firms in the same industry located in different regions or countries experience shocks to production costs in their respective industries that are imperfectly correlated, arbitrage opportunities automatically lead to trade. Trade can either stabilize or destabilize the price faced by producers in a given country. Producers’ surplus is affected, owing to the ‘variance–covariance’ effect, while consumers’ surplus is more directly affected through the variance of the product price. We examine how consumers’ surplus, producers’ surplus, and social welfare are affected when the regions switch from autarky to free trade in the presence of industry and region–specific cost shocks. JEL Classification: F10, D80 Incertitude, arbitrage et commerce intra–industrie. Quand les entreprises d’une même industrie localisées dans diverses régions ou différents pays font face à des chocs, qui ne sont pas parfaitement co–reliés, dans leurs coûts de production, les possibilités d’arbitrage entraînent automatiquement un accroissement du commerce. Ce commerce inter–régional ou international peut soit stabiliser ou déstabiliser les prix auxquels les producteurs font face dans un pays donné. Le surplus aux producteurs est directement affecté via l’effet de «variance–covariance», alors que le surplus aux consommateurs est plus directement affecté via la variance du prix du produit. Ce mémoire examine comment le surplus aux producteurs, le surplus aux consommateurs, et le niveau de bien–être social sont affectés quand les régions passent de l’autarcie au libre échange dans le cas où existent des chocs dans les coûts qui sont spécifiques à l’industrie et à la région.

Suggested Citation

  • Sudipto Dasgupta & Tridip Ray & Kit Pong Wong, 2002. "Uncertainty, arbitrage and intra–industry trade," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 35(4), pages 757-785, November.
  • Handle: RePEc:wly:canjec:v:35:y:2002:i:4:p:757-785
    DOI: 10.1111/1540-5982.00153
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    JEL classification:

    • F10 - International Economics - - Trade - - - General
    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General

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