I examine how production of a child labor–intensive crop (cotton) affected schooling in the early twentieth-century American South. Because cotton production may be endogenous, presence of an agricultural pest (the boll weevil) is employed as an instrument. Using newly collected county-level data for Georgia, I find a 10 percent reduction in cotton caused a 2 percent increase in black enrollment rate, but had little effect on white enrollment. The shift away from cotton following the boll weevil's arrival explains 30 percent of the narrowing of the racial differential in enrollment rates between 1914 and 1929.

The boll weevil spread across the South from 1892 to 1922 with devastating effect on cotton cultivation. The resulting shift away from this child labor-intensive crop lowered the opportunity cost of school attendance. We investigate the insect's long-run effect on educational attainment using a sample of adults from the 1940 census linked back to their childhood census records. Both white and black children who were young (ages 4 to 9) when the weevil arrived saw increased educational attainment by 0.24 to 0.36 years. Our results demonstrate the potential for conflict between child labor in agriculture and educational attainment.

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The boll weevil spread across the South from 1892 to 1922 with devastating effect on cotton cultivation. The resulting shift away from this child labor–intensive crop lowered the opportunity cost of school attendance. We investigate the insect’s long-run effect on educational attainment using a sample of adults from the 1940 census linked back to their childhood census records. Both white and black children who were young (ages 4 to 9) when the weevil arrived saw increased educational attainment by 0.24 to 0.36 years. Our results demonstrate the potential for conflict between child labor in agriculture and educational attainment.

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