07-Jul-2008
Story Timeline: 92 days
by my University of Chicago colleague, Jeffrey Grogger, compares the wages of people who “sound black” when they talk to those who do not. His main finding: blacks who “sound black” earn salaries that are 10 percent lower than blacks who do not “sound black,” even after controlling for measures of intelligence, experience in the work force, and other factors that influence how much people earn. (For what it is worth, whites who “sound black” earn 6 percent lower than other whites.) How does Grogger know who “sounds black?” As part of a large longitudinal study called the National Longitudinal Survey of Youth, follow-up validation interviews were conducted over the phone and recorded. Grogger was able to take these phone interviews, purge them of any identifying information, and then ask people to try to identify the voices as...
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