Why Women Had Better Sex Under Socialism

"There is no sex in the USSR..."

   -- Luidmila Ivanova, 1986

https://en.wikipedia.org/wiki/The_Wild_East#Quotes

First, there was a study. Then, they come up with some explanations. I'm not sure how convincing the explanations are, but it's hard to discuss the results of the study, especially if we don't know the methodology.