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Direct perturbations of aggregate excess demand

Author

Listed:
  • Sofia B. S. D. Castro

    (CMUP - Universidade do Porto = University of Porto, Faculdade de Economia do Porto - Universidade do Porto = University of Porto)

  • Sami Dakhlia

    (Department of Economics and Finance - College of Business - USM - University of Southern Mississippi)

  • Peter B. Gothen

    (CMUP - Universidade do Porto = University of Porto, Faculdade de Ciências - Universidade do Porto = University of Porto)

Abstract

We establish that an exchange economy, i.e., preferences and endowments, that generates a giiven aggregate excess demand (AED) function is close to the economy generating the AED obtained by an arbitrary perturbation of the original one.

Suggested Citation

  • Sofia B. S. D. Castro & Sami Dakhlia & Peter B. Gothen, 2008. "Direct perturbations of aggregate excess demand," Post-Print halshs-00306408, HAL.
    • Handle: RePEc:hal:journl:halshs-00306408
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00306408
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    Cited by:

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    2. Castro, Sofia B.S.D. & Dakhlia, Sami & Gothen, Peter B., 2013. "From singularity theory to finiteness of Walrasian equilibria," Mathematical Social Sciences, Elsevier, vol. 66(2), pages 169-175.
    3. Sofia B. S. D. Castro & Peter B. Gothen, 2025. "Walrasian equilibria are almost always finite in number," Papers 2510.25738, arXiv.org.
    4. Gorokhovsky, Alexander & Rubinchik, Anna, 2022. "Necessary and sufficient conditions for determinacy of asymptotically stationary equilibria in OLG models," Journal of Economic Theory, Elsevier, vol. 204(C).

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    Keywords

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    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics

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