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Estructura de red del Mercado Electrónico Colombiano (MEC) e identificación de agentes sistémicos según criterios de centralidad

Author

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  • Agustín Saade Ospina

Abstract

En este documento se utilizan herramientas de análisis de redes tradicionales para describir las características generales de la estructura del Mercado Electrónico Colombiano (MEC). Se encontró que éste está fuertemente concentrado en unos pocos agentes, con bajo nivel de conectividad, aunque con un alto grado de reciprocidad en las relaciones entre los agentes. Se calcularon indicadores de centralidad diaria para cada uno de aquéllos, buscando identificar cuáles son sistémicos según su posición relativa en la red. Este análisis permitió observar que en el MEC los agentes más grandes, los que tienen mayor número de conexiones, aquellos con mayor capacidad de intermediación, y los que tienen relaciones cercanas con agentes más importantes tienden a ser los mismos cada día. Finalmente, vía simulaciones, se buscó medir qué tan sensible es la estructura de red del MEC ante la ausencia de los agentes más conectados. Se encontró que la estructura es fuertemente dependiente de las conexiones de unos pocos agentes, que pueden clasificarse como centrales a la red.

Suggested Citation

  • Agustín Saade Ospina, 2010. "Estructura de red del Mercado Electrónico Colombiano (MEC) e identificación de agentes sistémicos según criterios de centralidad," Temas de Estabilidad Financiera 054, Banco de la Republica de Colombia.
    • Handle: RePEc:bdr:temest:054
    DOI: 10.32468/tef.54
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    References listed on IDEAS

    as
    1. Bech, Morten L. & Chapman, James T.E. & Garratt, Rodney J., 2010. "Which bank is the "central" bank?," Journal of Monetary Economics, Elsevier, vol. 57(3), pages 352-363, April.
    2. Leo Katz, 1953. "A new status index derived from sociometric analysis," Psychometrika, Springer;The Psychometric Society, vol. 18(1), pages 39-43, March.
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    Cited by:

    1. Mariana Laverde & Javier Gutiérrez Rueda, 2012. "¿Cómo caracterizar entidades sistémicas?: Medidas de impacto sistémico para el sistema financiero colombiano," Temas de Estabilidad Financiera 065, Banco de la Republica de Colombia.

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    More about this item

    Keywords

    Mercado Electrónico Colombiano - MEC; posición relativa en mercados con red observable; mercado interbancario;
    All these keywords.

    JEL classification:

    • G1 - Financial Economics - - General Financial Markets
    • G2 - Financial Economics - - Financial Institutions and Services
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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