This work shows if the productive efficiency of the Group Telefónica S.A. of Spain it has improved after being privatized. This case has been used to be a representative company in the industry of the global telecommunications. The empiric evidence indicates that the companies of this sector...

Empirical data show during the historical process of economic development profound structural changes in economy. One of the most important movements is from stages where the so-called tangible investments are predominant to those where intangible investments become predominant. Applying some...

The purpose of this paper is to explain the effect that economic sectors exert on the national income of West African countries during the last decade. Since the post-colonial era, agriculture has been the primary and the predominant sector of West African economies. However, since the late...

In this article, we present analyses of the link between natural resources, FDI, and economic growth. We use the Fixed Effect Threshold Model for panel data with annual frequency for 83 countries. Our results show that FDI has a strong positive impact on the economic growth of the host country...

In this paper we proposed a model deriving from physics laws, which are associated to the investments impact upon the economic system potential. Defining several physics fundamental dimensions and starting from a series of assumptions, we tried to find their possible economic meaning and...

This work provides a macroeconomic approach and a sound conceptual foundation for the notion of "competitiveness gains", so prone to multiple interpretations, and to make it fit for empirical analyses. Instead of "competitiveness" is "competitiveness gains" the relevant concept, defined as a...

The paper examines the economic performance of a large number of African countries using an international comparable data set and the latest technique for analysis. The paper focuses on growth in total factor productivity and its decomposition into technical change and efficiency change...

Agricultural productivity in Africa from 1971 to 2000 is examined using the recently developed metafrontier function technique, for the purpose of studying differences in efficiency and technology gap across different regions of the continent. The results support the view that technology gap...

This paper examines changes in agricultural productivity in 8 French-speaking countries. The relative performance of agricultural sector was gauged using data envelopment analysis. From a panel data set of the 8 countries, which included the 30-year period 1970-2000, mathematical programming...

The aim of this article is to evaluate the contribution of the banking sector to the economic growth of 16 Latin American countries, from 1979 to 2006. The econometric procedure is based on a panel data technique with fixed effects, classifying the countries in two samples according to their...