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The Role of Quality Ladders in a Ricardian Model of Trade with Nonhomothetic Preferences

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  • Esteban Jaimovich
  • Vincenzo Merella

Abstract

The literature on North-South trade has explored conditions under which international trade might be a factor magnifying income disparities between the advanced North and the backward South. Little attention has yet been placed on the effect of trade on countries that do not display substantial dissimilarities concerning capital endowments. We show that even when no single country is technologically more advanced than any other one and productivity changes are uniform and identical in all countries, international trade may still be a source of income divergence. Income divergence will be experienced when comparative advantages induce patterns of specialisation that, although optimal for each country at some initial point in time, do not offer the same scope for improvements in terms of subsequent quality upgrading of final products.

Suggested Citation

  • Esteban Jaimovich & Vincenzo Merella, 2008. "The Role of Quality Ladders in a Ricardian Model of Trade with Nonhomothetic Preferences," Carlo Alberto Notebooks 81, Collegio Carlo Alberto.
    • Handle: RePEc:cca:wpaper:81
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    References listed on IDEAS

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    1. Gene M. Grossman & Elhanan Helpman, 1991. "Quality Ladders and Product Cycles," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 106(2), pages 557-586.
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    6. Hallak, Juan Carlos, 2006. "Product quality and the direction of trade," Journal of International Economics, Elsevier, vol. 68(1), pages 238-265, January.
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    More about this item

    Keywords

    International Trade; Quality Ladders; Nonhomothetic Preferences;
    All these keywords.

    JEL classification:

    • F11 - International Economics - - Trade - - - Neoclassical Models of Trade
    • F43 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Economic Growth of Open Economies

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