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Evidencia empírica de poder de mercado en industrias minoristas de gas natural vehicular

Author

Listed:
  • John J.García
  • Carlos Mauricio Montenegro
  • Ermilson Velásquez

Abstract

La alta concentración del mercado minorista de Gas Natural Vehicular -GNV en Colombia permite el ejercicio de poder de mercado. El mecanismo de fijación de precio de venta en las Estaciones de Servicio -EDS´s se asemeja al de un modelo teórico oligopólico de Franja Cuasi-Competitiva, en el cual se identifica una empresa líder en el mercado y otras seguidoras, tomadoras de precio. Mediante el índice Herfindahl-Hirschman (HHI) se encontró alto nivel de concentración en la industria y por medio del índice de Lerner se halla el mark-up de beneficios que evidencia el ejercicio de poder de mercado. Además a través de un modelo de Panel de Datos se identifican los determinantes de la formación del precio en esta industria.

Suggested Citation

  • John J.García & Carlos Mauricio Montenegro & Ermilson Velásquez, 2012. "Evidencia empírica de poder de mercado en industrias minoristas de gas natural vehicular," Documentos de Trabajo de Valor Público 10569, Universidad EAFIT.
    • Handle: RePEc:col:000122:010569
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    More about this item

    Keywords

    Gas Natural Vehicular-GNV; Mark-up de Beneficios; Mercado Minorista; Poder de Mercado; Estaciones de Servicio-EDS´s; Datos de Panel;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models

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