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Actualización global de tablas origen-destino: una alternativa al método Euro

Author

Listed:
  • Xesús Pereira López

    (Economía Cuantitativa-IDEGA, USC)

  • José Luis Quiñoá López

    (Economía Cuantitativa, USC)

  • Melchor Fernández Fernández

    (Fundamentos del Análisis Económico-IDEGA, USC)

Abstract

The application of RAS-SU requires prior knowledge of the row and column sums of the matrices in question. The Euro method avoids this limitation; however it is only applicable to square matrices and it is not always convergent. In this paper, the global updating method is adapted to supply and use tables. The main focus is on indicating how rectangular matrices can be adjusted, without the need of any prior manipulation, and on ensuring the convergence of the results obtained. The global updating method is based on a distribution of the differences between vectorial estimations. It is more generic than the RAS method, and offers more routes to action. In general, one has to consider the relative weights attributable to each differential distribution. Needless to say, the availability of additional information in relation to the matrix structure would lighten the task.

Suggested Citation

  • Xesús Pereira López & José Luis Quiñoá López & Melchor Fernández Fernández, 2011. "Actualización global de tablas origen-destino: una alternativa al método Euro," Documentos de trabajo - Analise Economica 0042, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.
    • Handle: RePEc:edg:anecon:0042
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    Cited by:

    1. Xesús Pereira López & Melchor Fernández Fernández & André Carrascal Incera, 2012. "Algunas consideraciones acerca de los modelos input-output rectangulares," Documentos de trabajo - Analise Economica 0049, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.

    More about this item

    Keywords

    supply and use tables; global updating; scarce information;
    All these keywords.

    JEL classification:

    • C65 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Miscellaneous Mathematical Tools
    • C89 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Other
    • D57 - Microeconomics - - General Equilibrium and Disequilibrium - - - Input-Output Tables and Analysis

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