Earlier quoted context omitted.
You know the ERA hasn't been ratified, right?
Yes? You also know that something as momentous as a constitutional amendment doesn't happen in a vacuum either, right? It still had the effect of nearly doubling the size of the workforce, and now ~50 years later we're now seeing what it means to have a dual-earner family income. The middle class is rapidly shrinking and the dream of owning a house for many newlyweds is fast receding in the rear view mirror, but hey,…
Exploring the counterfactual numbers: If the workforce gender share remained at the 4:6 F:M ratio of 1972, then a male workforce of 85m would mean a female workforce of 34m instead of the actual 75m. This would lead to a total workforce of 119m instead of 160m, a decrease of 41m or 25%.
Would the USSR have won the cold war if the US had 25% less economic growth over the last 50 years?