The journal Lecturas de Economía is published by the Department of Economics, Faculty of Economics, at the Universidad de Antioquia. Since 1980, it has been a scientific publication with high quality standards. It is addressed to economists and to those interested in the latest advances in the economics discipline, both at a theoretical and an empirical level. For this reason, this publication is of special interest for researchers, undergraduate and graduate students, university faculty and professionals who would like to stay up to date with the scientific novelties in economics.