By 1980, the wages earned by African-American women and white women came close to being equal, but since then the gap has nearly tripled. Meanwhile, average wages for African-American men stagnated, and wage inequalities between black and white men remained stubbornly high. In this same period, membership in U.S. labor unions has plummeted – from one in every three private sector workers enrolled in a union in the mid-1950s to just one in twenty today. So it is natural to ask whether such sharp union decline helps to explain racial economic gaps today.
Our research uses 40 years of nationally representative data and a technique sometimes called “counterfactual analysis” to discover what wage trends among blacks and whites, men and women, would have looked like if union membership in the private sector of the U.S. economy had not declined so sharply. The short answer is that union decline has made racial gaps worse, especially among women. more...