El análisis empírico de la productividad de las infraestructuras se ha enfrentado a múltiples problemas econométricos que parecen estar detrás de la gran variabilidad en los resultados obtenidos en la literatura. Uno de esos problemas es la multicolinealidad existente al estimar los...

The Customer Lifetime Value (CLV ) concept has been highly used in the marketing area over the years. In this paper the authors present some useful extensions for the case of uncertain data. In particular, a CLV estimation with triangular fuzzy numbers (TFN) is introduced.

Spanish Abstract: El objetivo principal del presente trabajo, es analizar el efecto que tiene la educación, la edad, el acceso a TIC's y activos físicos y financieros, además de otras características personales y socioeconómicas, en la probabilidad de ser trabajador por cuenta propia,...

Spanish Abstract: Los principales modelos financieros para la estimación del riesgo de mercado suponen que los rendimientosde los activos siguen una distribución Normal o se basan en la distribución empírica. Con frecuencia, elsupuesto de normalidad se da por hecho; sin embargo, resulta poco...

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...

In this paper, our research question that could analyze how efficiency in Swedish financial enterprises has changed since the banking crisis in 1993. We estimate the time-invariant and time-variant efficiencies of Swedish financial enterprises with four different estimators. These estimators are...

The paper decomposes prices and exchange rate in the supply and demand functions of exports and imports of goods, respectively, in order to assess the impact of a devaluation on Argentina's foreign trade. The results show that, due to Argentina's particular productive structure, the impact of a...

This paper delves into the asymmetries of the exchange rate pass-through on prices in the case of Venezuela, extending the analysis of Mendoza (2004) the prices of goods and services. The data used is monthly for the period 07/90 -12/04. We find that pass-through in services is less than...

In this paper we estimate a structural VAR model to identify the causes of inflation in Ecuador. To examine the VAR dynamics, we use the decomposition of the variance because it provides information about the relative importance of each shock to the variables in the VAR. We differ from previous...

This paper it proposes new economic indicators of investment in infrastructure and house