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Sparse matrix methods for computable general equilibrium models of the Johansen class

Author

Listed:
  • K.R. Pearson
  • Russell J. Rimmer

Abstract

Considers the solution of large systems of linear equations, such as those arising from a large linearized economic model. Recommends (a) that matrix inversion be avoided, in favour of LU methods; and (b) that sparsity in the system be exploited using special computer subroutines. Some examples of time savings are tabulated. Please note: The PDF download of this fairly old paper is an optical scan of indifferent, but legible, quality

Suggested Citation

  • K.R. Pearson & Russell J. Rimmer, 1983. "Sparse matrix methods for computable general equilibrium models of the Johansen class," Centre of Policy Studies/IMPACT Centre Working Papers op-43, Victoria University, Centre of Policy Studies/IMPACT Centre.
    • Handle: RePEc:cop:wpaper:op-43
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    Citations

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    Cited by:

    1. Pearson, K.R. & Rimmer, Russell J., 1985. "An efficient method for the solution of large computable general equilibrium models," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 27(2), pages 223-229.
    2. Guilhoto, Joaquim José Martins, 1995. "PAPA: An economy-wide general purpose computable general equilibrium model for the Brazilian economy," MPRA Paper 54755, University Library of Munich, Germany.
    3. Guilhoto, Joaquim José Martins, 1986. "A model for economic planning and analysis for the brazilian economy," MPRA Paper 53944, University Library of Munich, Germany.
    4. Guilhoto, Joaquim J.M., 1995. "Um modelo computável de equilíbrio geral para planejamento e análise de políticas agrícolas (PAPA) na economia brasileira [A computable general equilibrium model for planning and analysis of agricu," MPRA Paper 42349, University Library of Munich, Germany.
    5. Pearson, K. R., 1988. "Automating the computation of solutions of large economic models," Economic Modelling, Elsevier, vol. 5(4), pages 385-395, October.

    More about this item

    Keywords

    Numerical methods; sparsity; linear systems; imperfect competition; applied general equilibrium models;
    All these keywords.

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models

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