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"Lo que demuestra el estudio es que cada vez que se usan licitaciones, es decir un método más competitivo, se obtienen precios mucho más bajos".
Lee la entrevista de la investigadora, Carolina Velasco
https://www.cepchile.cl/cep/opinan-en-la-prensa/carolina-velasco-o/hay-que-hacer-cambios-importantes … vía 
