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The concept of sector


  • BIDARD, Christian
  • ERREYGERS, Guido


We generalize the concept of industry, which stems from the analysis of single-product economies, to that of sector. The sector concept can be applied to economies with or without joint-product processes and pure capital goods. A ‘sectoral economy’ is an economy characterized by the ‘super-adjustment’ property: any strictly viable subset of methods can adapt itself to an arbitrary final demand. Given a few additional asumptions, the competitive prices are minimal in a sectoral economy, so that the subset of competitive methods is uniquely defined and the non-substitution property holds.

Suggested Citation

  • BIDARD, Christian & ERREYGERS, Guido, 1999. "The concept of sector," Working Papers 1999024, University of Antwerp, Faculty of Applied Economics.
  • Handle: RePEc:ant:wpaper:1999024

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    References listed on IDEAS

    1. John H Dunning, 1995. "Reappraising the Eclectic Paradigm in an Age of Alliance Capitalism," Journal of International Business Studies, Palgrave Macmillan;Academy of International Business, vol. 26(3), pages 461-491, September.
    2. Sanyal, Kalyan K & Jones, Ronald W, 1982. "The Theory of Trade in Middle Products," American Economic Review, American Economic Association, vol. 72(1), pages 16-31, March.
    3. Gary Hufbauer, 1970. "The Impact of National Characteristics & Technology on the Commodity Composition of Trade in Manufactured Goods," NBER Chapters,in: The Technology Factor in International Trade, pages 145-231 National Bureau of Economic Research, Inc.
    4. Coase, R H, 1988. "The Nature of the Firm: Meaning," Journal of Law, Economics, and Organization, Oxford University Press, vol. 4(1), pages 19-32, Spring.
    5. Alan Deardorff, 1994. "Exploring the limits of comparative advantage," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 130(1), pages 1-19, March.
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    More about this item


    Linear models of production; Joint production; Fixed capital; Non-substitution;

    JEL classification:

    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies


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