In this paper it is illustrated, in a practical way, the use of three tools that permit the actuary to define tariff groups and to estimate risk premiums in the class-rating process for non-life insurance. The first is the segmentation analysis (CHAID and XAID) used firstly at 1997 by UNESPA in...

Un problema recurrente es que los modelos estructurales de determinación del tipo de cambio no logran predecirlo con mayor precisión que un camino aleatorio. El objetivo de la presente investigación es verificar si es posible obtener proyecciones relativamente precisas generadas por un grupo...

El modelo gaussiano GARCH(1,1) ha sido empleado, tradicionalmente, en el estudio de la tasa de cambio; sin embargo, un número importante de estudios recientes (utilizando modelos FIGARCH e HYGARCH) ha encontrado evidencia de persistencia en su volatilidad. En este trabajo, usando una estrategia...

Spanish Abstract: Los fondos de pensiones deben cumplir una restricción de retorno mínimo que se basa en un benchmark definido a partir de la diversificación promedio asociada a cada uno de los cinco tipos de fondos que cada empresa vigente en esta industria gestiona y que los trabajadores...

The exchange rate is influenced by multiple national and international macroeconomic factors, which generates high levels of uncertainty. The objective of this research is the construction of ARIMA-GARCH and ARIMAX-GARCH models as a tool for the forecast of the exchange rate in Colombia from the...

The exchange rate is influenced by multiple national and international macroeconomic factors, which generates high levels of uncertainty. The objective of this research is the construction of ARIMA-GARCH and ARIMAX-GARCH models as a tool for the forecast of the exchange rate in Colombia from the...

Based on the understanding of inflation forecasts as an intermediate policy objective, this paper evaluates forecasts of different inflation models in Colombia during the inflation targeting (IT) period. The evaluation is done using three different statistical methodologies. The results suggest...

The Bank Credit Channel, which amplifies the effects of the traditional channel of monetary policy, emphasizes on the structure and frictions of financial markets as determinants of aggregate spending. This paper aims at analyze and verify the existence of the bank credit channel in Colombia...

The valuation of options and to a large extent the financial derivatives market require an optimal estimation of the volatility, since this is precisely the variable that is negotiated. We present then a statistical methodology for the estimation of the volatility parameter for an asset using...

En este documento se estudian los determinantes de la heterogeneidad observada en la flexibilidad de precios, empleando los resultados encontrados en una encuesta directa por Misas et al. (2009). Para esto se utilizan los modelos de conteo y se diseñan e implementan un conjunto de pruebas de...