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α: calibrated so average coauthorship-adjusted count equals average raw count
We use the near universe of U.S. online job ads to document four new facts about the skills employers demand from college majors. First, some skills—social and organizational—are demanded from all majors whereas others—financial and customer service—are demanded from only particular majors. Second, some majors have skill demand profiles that mirror overall demand for college graduates, such as Business and General Engineering, while other majors, such as Nursing and Education, have relatively rare skill profiles. Third, cross-major differences in skill profiles explain considerable wage variation. Fourth, although major-specific skill demand varies across place, this variation plays little role in explaining wage variation. College majors can thus be reasonably conceptualized as portable bundles of skills.