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Hicks theorem: Effects of technological improvement in the Ricardian model

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  • Ju, Jiandong
  • Yang, Xuebing

Abstract

Using the Ricardian model, we formally prove Hicks' [Hicks, John (1953), "An Inaugural Lecture," Oxford Economic Papers 5(2), 117-135.] insight into the effects of technological improvement: uniform technological improvement at home benefits all countries (or at least does not hurt); export-biased technological improvement at home benefits the foreign country (or at least does not hurt), but import-biased technological improvement at home can hurt the foreign country as long as the comparative advantage is not reversed. We then study optimal strategies of technological improvement and show that for a small country it is optimal to choose export-biased technological improvement. For a large country, it is optimal to improve technology in both sectors at a rate proportional to the consumers' expenditure share. Therefore, if the expenditure share of the import sector is larger than that of the export sector, a large country will choose a relatively import-biased technological improvement, which will hurt its trading partner.

Suggested Citation

  • Ju, Jiandong & Yang, Xuebing, 2009. "Hicks theorem: Effects of technological improvement in the Ricardian model," International Review of Economics & Finance, Elsevier, vol. 18(2), pages 239-247, March.
    • Handle: RePEc:eee:reveco:v:18:y:2009:i:2:p:239-247
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    References listed on IDEAS

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    1. Grossman, Gene M. & Helpman, Elhanan, 1995. "Technology and trade," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 25, pages 1279-1337, Elsevier.
    2. Helpman, Elhanan, 1993. "Innovation, Imitation, and Intellectual Property Rights," Econometrica, Econometric Society, vol. 61(6), pages 1247-1280, November.
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    5. Jonathan Eaton & Samuel Kortum, 2002. "Technology, Geography, and Trade," Econometrica, Econometric Society, vol. 70(5), pages 1741-1779, September.
    6. Eaton, Jonathan & Kortum, Samuel, 2001. "Technology, trade, and growth: A unified framework," European Economic Review, Elsevier, vol. 45(4-6), pages 742-755, May.
    7. J. R. Hicks, 1953. "An Inaugural Lecture," Oxford Economic Papers, Oxford University Press, vol. 5(2), pages 117-135.
    8. Alvarez, Fernando & Lucas, Robert Jr., 2007. "General equilibrium analysis of the Eaton-Kortum model of international trade," Journal of Monetary Economics, Elsevier, vol. 54(6), pages 1726-1768, September.
    9. repec:fth:bosecd:110 is not listed on IDEAS
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    Cited by:

    1. Hideo Sato, 2022. "A multi‐country, multi‐commodity Ricardian trade model with link commodities and Keynesian unemployment," Metroeconomica, Wiley Blackwell, vol. 73(2), pages 441-465, May.
    2. Andrei A Levchenko & Jing Zhang, 2013. "The Global Labor Market Impact of Emerging Giants: A Quantitative Assessment," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 61(3), pages 479-519, August.
    3. Julian di Giovanni & Andrei A. Levchenko & Jing Zhang, 2014. "The Global Welfare Impact of China: Trade Integration and Technological Change," American Economic Journal: Macroeconomics, American Economic Association, vol. 6(3), pages 153-183, July.
    4. Jing Zhang, 2013. "Global Welfare Impact of China: Trade Integration and Technology Change," 2013 Meeting Papers 630, Society for Economic Dynamics.
    5. repec:mie:wpaper:6237 is not listed on IDEAS

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