Search Results       Your search for [subject]Learning ability -- Economic aspects -- United States returned 1 record.           Identifying the role of cognitive ability in explaining the level of and change in the return to schooling. by Heckman, James J.; Cambridge: National Bureau of Economic Research, 2000. Subject: Learning ability -- Economic aspects -- United States; Cognition -- Economic aspects -- United States; Education -- Economic aspects -- United States; Wages -- Effect of education on -- United States.          Add to Book Cart Relevance: 25.79%