Economics of Education Review · 2001 · 26 citations · 15 references
EducationVocational EducationLabor Market AnalysisWorkforce DevelopmentWorkplace LearningLabor Market TrendsPopulation AgingTalent DevelopmentWomen's EducationWorkforce DemographicsWorkforce Development PolicyAge-specific Labor Force ParticipationLabor Force AgingOlder Women's AgingTrainingTraining For Older WorkersWomen's Vocational EducationWomen’s Labor Force Participation
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Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations