“…Previous research on labour supply has assumed that as workers freely choose their optimal working hours on the basis of their innate preferences and the hourly wage rate, outcome reflects preference. …”

“…This rejects the hypothesis that mismatched workers compensate for heterogeneity in innate abilities. The results suggest a structural problem in the German educational system as skill demand and supply are not in long-term equilibrium."…”

“…Learn Better will revolutionize the way students and society alike approach learning and makes the case that being smart is not an innate ability — learning is a skill everyone can master. …”

“…It is in such matters that a girl shows her innate refinement, a quality that appeals strongly to the opposite sex. …”