Contreras, Carlos2018-04-102018-04-102007http://revistas.pucp.edu.pe/index.php/economia/article/view/2375/2322no presenta resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Economíainfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#5.02.01https://doi.org/10.18800/economia.200701.008