A large fraction of the variation in wage levels and wage growth rates among individuals remains unexplained. Economists argue that ?unobserved? heterogeneity is among the more likely reasons for this unexplained variation in wages. The source of individual heterogeneity is typically attributed...

Time preference is a key determinant of investments in human capital and occupational choice. Individuals with higher discount rates are less likely to invest in human capital and hence more likely to select into careers with lower and flatter earnings profiles. Since discount rates are...