Showing 1 - 10 of 500
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...
Persistent link: https://www.econbiz.de/10005600432
We search for evidence against the hypothesis of a non-linear relationship between inflation and growth rates for 1993-2012 Peruvian data. A family of dichotomous models provide the way to model the relationship between the those two variables' cycles. Given the acceleration/de-acceleration...
Persistent link: https://www.econbiz.de/10015245557
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...
Persistent link: https://www.econbiz.de/10005603782
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...
Persistent link: https://www.econbiz.de/10008596150
Schwarz. In this paper I evaluate the predictive ability of the Akaike and Schwarz information criteria using autoregressive integrated moving average models, with sectoral data of Chilean GDP. In terms of root mean square error, and after the estimation of more than a million models, the...
Persistent link: https://www.econbiz.de/10015230106
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...
Persistent link: https://www.econbiz.de/10013003513
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...
Persistent link: https://www.econbiz.de/10014494431
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...
Persistent link: https://www.econbiz.de/10012258787
This study aimed mainly on designing a methodology for the measurement and evaluation of management efficiency in the electricity sector in Venezuela. We conducted a literature review on the existing techniques, as management indicators, stochastic frontiers and data envelopment analysis (DEA),...
Persistent link: https://www.econbiz.de/10015244199
In spatial econometrics, it is customary to specify a weighting matrix, the so-called W matrix. The decision is important because the choice of W matrix determines the rest of the analysis. However, the procedure is not well defined and, usually, reflects the priors of the user. In the paper, we...
Persistent link: https://www.econbiz.de/10015231176