Guía práctica para la identificación, formulación y evaluación de proyectos

Este texto es una guía práctica para estudiantes y profesionales de varias disciplinas que quieran escribir un proyecto de inversión para su financiación. El lector podrá ir paso a paso en cada uno de los capítulos y, de seguirlos, al finalizar sabrá si su proyecto es financiable o no; esto es, que cumple con una serie de condiciones técnicas, financieras, económicas, sociales, ambientales y jurídicas, y además, que está organizado con los requisitos que exigen algunas entidades, lo cual le ahorrará tiempo en los procesos.

Telecommunications and economic growth: an empirical analysis of sub-saharan Africa

We examine the effect on economic growth of mobile cellular phones in sub-Saharan Africa where a marked asymmetry is present between land-line penetration and mobile telecommunications expansion. This study extends previous ones along two important dimensions. First, we allow for the potential endogeneity between economic growth and telecommunications expansion by employing a special linear generalized method of moments (GMM) estimator. Second, we explicitly model for varying degrees of substitutability between mobile cellular and land-line telephony, so that greater expansion of mobile telecommunications can have a different impact whenever the level of land-line penetration differs. We find that mobile cellular phone expansion is an important determinant of the rate of economic growth in Sub-Saharan Africa. Moreover, we find that the contribution of mobile cellular phones to economic growth has been growing in importance in the region, and that the marginal impact of mobile telecommunication services is even greater wherever land-line phones are rare. Given the low cost of mobile telecommunications technology relative to other broad infrastructure projects, especially land-line infrastructure, we advocate that mobile telecommunication services be encouraged in the area.