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Evaluación de la hipótesis de eficiencia débil y análisis de causalidad en las centrales de abastos de Colombia

Author

Listed:
  • Leonardo Hernán Talero-Sarmiento
  • Henry Lamos-Díaz
  • Edwin Alberto Garavito-Hernández

Abstract

En Colombia existen centros tradicionales de acopio donde se comercializan y distribuyen productos agrícolas. El precio de venta de estos productos es publicado por instituciones del Gobierno en informes semanales. Con el objetivo de determinar si las series de precios siguen una caminata aleatoria y si existen relaciones entre los centros, se aplican seis pruebas que evalúan la hipótesis de eficiencia débil y la prueba de causalidad de Granger. Para ello se analiza el precio histórico semanal de 28 productos agrícolas comercializados en seis mercados, durante la primera semana de 2013 a la última de 2017. Los principales resultados indican que los mercados tienden a la eficiencia, aunque no tienen el mismo nivel, ya que esta varía según el producto que se comercialice. Además, los centros en Manizales, Barranquilla y Villavicencio influyen sobre los precios de los mercados de Bogotá, Bucaramanga y Medellín

Suggested Citation

  • Leonardo Hernán Talero-Sarmiento & Henry Lamos-Díaz & Edwin Alberto Garavito-Hernández, 2019. "Evaluación de la hipótesis de eficiencia débil y análisis de causalidad en las centrales de abastos de Colombia," Apuntes del Cenes, Universidad Pedagógica y Tecnológica de Colombia, vol. 38(67), pages 35-69, February.
    • Handle: RePEc:col:000152:017357
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    References listed on IDEAS

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    More about this item

    Keywords

    Causalidad de Granger; mercados agrícolas; microeconomía; precios agrícolas.;
    All these keywords.

    JEL classification:

    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • Q13 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Markets and Marketing; Cooperatives; Agribusiness

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