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Comments on the Harrison-Rutherford-Tarr CGE Model with Imperfect Competition and Increasing Returns to Scale

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  • De Santis, Roberto A.

Abstract

Harrison, Rutherford and Tarr (1997) use a multiregional Computable General Equilibrium (CGE) model with a CES multistage demand system, imperfect competition, increasing returns to scale (IRS), and two endogenous price elasticities of demand perceived by a firm in each national market, in order to quantify the reforms of the Uruguay Round, when firms compete in a quantity setting oligopoly with constant conjectures. This paper argues that the derivation of the price markups is based on two incorrect assumptions, which might affect their empirical results, especially on output and welfare.

Suggested Citation

  • De Santis, Roberto A., 1999. "Comments on the Harrison-Rutherford-Tarr CGE Model with Imperfect Competition and Increasing Returns to Scale," Kiel Working Papers 907, Kiel Institute for the World Economy (IfW Kiel).
    • Handle: RePEc:zbw:ifwkwp:907
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    References listed on IDEAS

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    1. Smith, Alasdair & Venables, Anthony J., 1988. "Completing the internal market in the European Community : Some industry simulations," European Economic Review, Elsevier, vol. 32(7), pages 1501-1525, September.
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    Cited by:

    1. De Santis, Roberto A., 1999. "Intra-industry trade, endogenous technological change, wage inequality and welfare," Kiel Working Papers 921, Kiel Institute for the World Economy (IfW Kiel).
    2. Willenbockel, Dirk, 2004. "Specification choice and robustness in CGE trade policy analysis with imperfect competition," Economic Modelling, Elsevier, vol. 21(6), pages 1065-1099, December.

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    More about this item

    Keywords

    Price markup; Computable General Equilibrium analysis;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models

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