In Chile the "Comisión Nacional de Acreditación" (National Commission of Accreditation of the Universities) manages evaluation and accreditation. It also ranks universities according to accreditation levels. Other commercial rankings are made by research magazines, including "Qué Pasa" and "América Economía". "Qué Pasa's" ranking evaluates perception and quality following surveys of approximately 1,000 employers across the country. "América Economías ranking considers quality of students, quality of teachers, rating of professors by student, research productivity, internationalization, integration with the community, student life quality and inclusion of students from lower social strata.