We find that over the period 1950–1990, states in United States absorbed increases in the supply of schooling due to … tighter compulsory schooling and child labor laws mostly through within-industry increases in the schooling intensity of … production. Shifts in the industry composition towards more schooling-intensive industries played a less important role. To try …

An average person born in the United States in the second half of the nineteenth century completed 7 years of schooling … completed 14 years of schooling and spent 40 hours a week working. In the span of 100 years, completed years of schooling … life expectancy account for 80 percent of the increase in years of schooling and 88 percent of the reduction in hours of …

We find that over the period 1950–1990, states in United States absorbed increases in the supply of schooling due to … tighter compulsory schooling and child labor laws mostly through within-industry increases in the schooling intensity of … production. Shifts in the industry composition towards more schooling-intensive industries played a less important role. To try …

An average person born in the United States in the second half of the nineteenth century completed 7 years of schooling … completed 14 years of schooling and spent 40 hours a week working. In the span of 100 years, completed years of schooling … life expectancy account for 80 percent of the increase in years of schooling and 88 percent of the reduction in hours of …

's years of US residence, age, and number of years of schooling exert statistically significant positive impact on the …