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...

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...

El análisis del equilibrio en precios en mercados con producto diferenciado ha mostrado un progreso notable. Este trabajo revisa la evolución y el estado de la cuestión en esta área. Se describen los principales resultados en la estimación de la demanda derivados de la teoría de elección...

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...

Spanish Abstract: La tendencia observada desde 1998a la desinflación mundial y a que lasinflaciones nacionalesse estabilicenen niveles bajos obedece al comportamiento de la inflación de Estados Unidos. Esto es lo que podemos decir a la luz de resultados econométricos con cifras de frecuencia...

In financial literature, different ways of estimating the cash flow generated in a firm can be found. These methods are based on the estimation of these flows and on the analysis of the components that are involved in them. Although the estimation is important, we want to know what these cash...

In some situations, theoreticians recommend a given predictive model for a series of financial time. However, some inappropriate behaviors in given series make such a model unsuitable. One of the reasons for this can be the non-linearity of those behaviors. A proposed model to treat these series...