The form of the Engel curve has long been a subject of discussion in applied econometrics and until now there has no been definitive conclusion about its form. In this paper an additive partially linear model is used to estimate semiparametrically the effect of total expenditure in the context...

The goal of the article is to highlight the importance of institutions, organizations and social capital within the growth process, either as efficiency or inefficiency promoters. This is particularly valid for underdeveloped countries which are characterized by an inefficient institutional...

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...

This paper studies the effects of school attributes on test scores in the city of Bogotá. The paper shows, first, that both teacher-pupil ratios and teacher education are positively correlated with higher test scores, and, next, that these associations are circumscribed to private schools. In...

This paper examines the effects of family background and school characteristics on standardized test results. We use the ICFES test: the Colombian equivalent to the American SAT. The paper reaches three main conclusions. First, parental schooling has a substantial effect on test results. Second,...

This article tries to explain the main criticism that the recent Nobel Price in Economics, Amartya Sen, has made to the ethic and methodological basis of utilitarian theories in economics. In the first parte of the work the concepts which laid the foundations to the neoclassic welfare theories...

The objective of this article is to present an analysis of the incidence of human capital as a factor to reduce poverty in the city of Medellin. With this purpose in mind the existing literature about human capital was reviewed, the educational situation of the city was analyzed and a model of...