Date-onomics: How Dating Became a Lopsided Numbers Game by Jon Birger (2015-08-25)

It's not that he'’s just not that into you--it’s that there aren’t enough of him.

And the numbers prove it.

Using a combination of demographics, statistics, game theory, and number-crunching, Date-onomics tells what every single, college-educated, heterosexual, looking-for-a-partner woman needs to The “man deficit” is real.