Carefully-matched pairs of written job applications were made to test for age discrimination inhiring. A twenty-one year-old and a thirty-nine year-old woman applied for jobs where a newgraduate was sought; men aged twenty-seven and forty-seven, inquired about employmentas waiters; women aged...

Sixty-seven field experiments of discrimination in markets conducted since 2000 across seventeen countries were surveyed. Significant and persistent discrimination was found on all bases in all markets. High levels of discrimination were recorded against ethnic groups, older workers, men...