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Basel IV and the structural relationship between SA and IMA

Author

Listed:
  • Adrián F. Rossignolo

    (University of Leicester, United Kingdom)

Abstract

El artículo evalúa la profunda revisión del Libro de Negociación o Basilea IV comparando los requerimientos de capital de los Enfoques Estandarizado y de Modelos Internos en un contexto de crisis de mercado. Mediante un análisis integral secuencial abarcando cada paso de los dos regímenes -incluyendo varias especificaciones para el segundo-, el estudio halla que la modificación radical consigue su objetivo principal: la elevación del capital para riesgos de mercado. Simultáneamente, el Enfoque Estandarizado aparece favorecido estableciendo un piso alto como respaldo creíble y los Modelos Internos son penalizados con estructuras complejas y tests de validación restrictivos. Con el propósito general aparentemente logrado, sería razonable efectuar una exploración del proceso general y conceder mayor flexibilización a los supervisores locales para su aplicación. La investigación se concentró en los mercados accionaros mexicanos durante el Covid-19, y se entiende que la extensión a más países podría reforzar los resultados. Este artículo se sitúa entre los primeros en estudiar los efectos de Basilea IV y resalta algunas de sus falencias, particularmente los niveles de capital probablemente excesivos y la campaña contra los Modelos Internos, lo cual podría mellar las ganancias, restringir la innovación y reducir el crédito.

Suggested Citation

  • Adrián F. Rossignolo, 2024. "Basel IV and the structural relationship between SA and IMA," Remef - Revista Mexicana de Economía y Finanzas Nueva Época REMEF (The Mexican Journal of Economics and Finance), Instituto Mexicano de Ejecutivos de Finanzas, IMEF, vol. 19(2), pages 1-37, Abril - J.
  • Handle: RePEc:imx:journl:v:19:y:2024:i:2:a:1
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    File URL: https://www.remef.org.mx/index.php/remef/article/view/991
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    More about this item

    Keywords

    Basilea IV; Requerimientos de Capital; Enfoque Estandarizado; Enfoque de Modelos Internos;
    All these keywords.

    JEL classification:

    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
    • F37 - International Economics - - International Finance - - - International Finance Forecasting and Simulation: Models and Applications
    • F38 - International Economics - - International Finance - - - International Financial Policy: Financial Transactions Tax; Capital Controls
    • G01 - Financial Economics - - General - - - Financial Crises
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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