Ensayos sobre política económica (ESPE) (Essays on Economic Policy) is a Journal that aims to publish high quality technical articles and notes on all matters of economic policy. Articles published by ESPE are noted for being interesting, original and technically correct. Therefore, the Editorial Board will consider for publication original unpublished research work, both theoretical and applied, which is relevant to a better understanding of economic problems and of the policies required for solving them, and which have not been submitted for publication elsewhere.