There was a book that talked about those dynamics: https://www.goodreads.com/book/show/24693022-date-onomics https://www.goodreads.com/book/show/24693022-date-o

There was a book that talked about those dynamics: https://www.goodreads.com/book/show/24693022-date-onomics https://www.goodreads.com/book/show/24693022-date-onomics It is not from a researcher but a journalist. He does cite research and uses real life examples. He gave examples where when the ratio was in the men's favor, they would not commit to marriage as easily. In contrast when the number was in the women's favor you would notice things like an increase in credit card debit I believe.