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

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Author Info
Esteban Jaimovich
Vincenzo Merella

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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.

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Paper provided by Collegio Carlo Alberto in its series Carlo Alberto Notebooks with number 81.

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Length: 31 pages
Date of creation: 2008
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Handle: RePEc:cca:wpaper:81

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Related research
Keywords: International Trade; Quality Ladders; Nonhomothetic Preferences;

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Find related papers by 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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  1. Dornbusch, Rudiger & Fischer, Stanley & Samuelson, Paul A, 1977. "Comparative Advantage, Trade, and Payments in a Ricardian Model with a Continuum of Goods," American Economic Review, American Economic Association, vol. 67(5), pages 823-39, December. [Downloadable!] (restricted)
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  2. Hallak, Juan Carlos, 2006. "Product quality and the direction of trade," Journal of International Economics, Elsevier, vol. 68(1), pages 238-265, January. [Downloadable!] (restricted)
  3. Amit Khandelwal, 2009. "The Long and Short (of) Quality Ladders," NBER Working Papers 15178, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  4. Grossman, Gene M & Helpman, Elhanan, 1991. "Quality Ladders and Product Cycles," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 557-86, May. [Downloadable!] (restricted)
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  5. Peter K. Schott, 2004. "Across-product Versus Within-product Specialization in International Trade," The Quarterly Journal of Economics, MIT Press, vol. 119(2), pages 646-677, May. [Downloadable!] (restricted)
  6. Horvath, Michael, 2000. "Sectoral shocks and aggregate fluctuations," Journal of Monetary Economics, Elsevier, vol. 45(1), pages 69-106, February. [Downloadable!] (restricted)
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