The article shows the importance of developing agricultural practices of a preserving nature since such practices have positive effects not only on the degree of agricultural output sustainability but on the income of the producers as well. Land erosion is posed as a real problem to keep up...

This article is a synthesis of the demand theory and it intends to establish the link-unusual among as-between this theory and its applications which make it necessary to emphasize some particular aspects. After a brief review of the basic theoretical elements the author presents some...

In this article the author presents the Human Development Indicator (HDI) for four Colombian cities (Santafé de Bogotá, Medellin, Santiago de Cali and Barranquilla). The HDI is an approximate measure of the living conditions of the population, taking into account economic aspects such as...

En este articulo se presenta el Indicador de Desarrollo Humano (IDH) que constituye una medida aproximada de las condiciones de vida de la poblacion, teniendo en cuenta aspectos economicos como el ingreso, y aspectos sociales como la salud y la educacion, para comparar los niveles de desarrollo...