> What about the other economic factors? This would be true if women also demonstrated a decline in sex. However, women are having sex at the same rate as men.

> What about the other economic factors? This would be true if women also demonstrated a decline in sex. However, women are having sex at the same rate as men. The problem is not economic. It's winner-take-all as the top comments mention. The causal reason cannot apply to men and women equality (eg, economic). It must overwhelmingly affect men.