Thus a heavy burden of proof was placed on employers, including that of proving that any test that produced a "disparate impact" detrimental to certain minorities was a "business necessity" for various particular jobs. In 1972, Congress codified the Griggs misinterpretation of what Congress had done in 1964. And after a 1989 Supreme Court ruling partially undid Griggs, Congress in 1991 repudiated that 1989 ruling and essentially reimposed the burden of proof on employers.
Small wonder, then, that many employers, fearing endless litigation about multiple uncertainties, threw up their hands and, to avoid legal liability, threw out intelligence and aptitude tests for potential employees. Instead, they began requiring college degrees as indices of applicants' satisfactory intelligence and diligence.
This is, of course, just one reason why college attendance increased from 5.8 million in 1970 to 17.5 million in 2005. But it probably had a, well, disparate impact by making employment more difficult for minorities. O'Keefe and Vedder write:
"Qualified minorities who performed well on an intelligence or aptitude test and would have been offered a job directly 30 or 40 years ago are now compelled to attend a college or university for four years and incur significant costs. For some young people from poorer families, those costs are out of reach."
Indeed, by turning college degrees into indispensable credentials for many of society's better jobs, this series of events increased demand for degrees and, O'Keefe and Vedder say, contributed to "an environment of aggressive tuition increases." Furthermore they reasonably wonder whether this supposed civil rights victory, which erected barriers between high school graduates and high-paying jobs, has exacerbated the widening income disparities between high school and college graduates.
Griggs and its consequences are timely reminders of the Law of Unintended Consequences, which is increasingly pertinent as America's regulatory state becomes increasingly determined to fine-tune our complex society. That law holds that the consequences of government actions often are different than, and even contrary to, the intended consequences.
Soon the Obama administration will arrive, bristling like a very progressive porcupine with sharp plans -- plans for restoring economic health by "demand management," for altering the distribution of income by using tax changes and supporting more muscular labor unions, for cooling the planet by such measures as burning more food as fuel and for many additional improvements. At least, those will be the administration's intended consequences.
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