Publicado 1996-07-01
Palabras clave
- Hipótesis de la Eficiencia Insesgada,
- HEI,
- México,
- eficencia del mercado
Cómo citar
Resumen
Se analiza el funcionamiento del mercado mexicano de coberturas cambiarias de corto plazo. Se encuentra que éste no es eficiente ya que el tipo de cambio por adelantado implícito no cumple con la llamada Hipótesis de la Eficiencia Insesgada, HEI. Se considera la existencia de no-estacionariedad y co-integración en las series de tiempo siguiendo las metodologías propuestas por Engle y Granger (1987) y Johansen y Juselius (1990). Se utiliza un Modelo de Corrección de Errores MCE y estadísticas de prueba de restricciones sobre vectores de cointegración para probar la HEI. Se analizan posibles causas de los resultados encontrados y se da pauta a posterior investigación.
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