At the same time tertiary education in technical fields tends to be significantly more expensive than in the social sciences, which makes expansion of such faculties more challenging for public education institutions. Private providers of education could fill this void, leaving the government with duties of quality control and oversight. As is shown in the preceding discussion of youth in NEET, unemployment rates vary by field of study. At the same time these latter fields have much higher enrolment and graduation numbers (Table 6.1.)