Do Women Benefit from Polygamy?

I stumbled upon an interesting article about polygamy written by Satoshi Kanazawa from Psychology Today Blogs, entitled "The paradox of polygamy II: Why most women benefit from polygamy and most men benefit from monogamy". In reference to this, he cites two interesting points.

One benefit to women, he claims, polygynous society allows some women to share a resourceful man of high status, thus (I assume) spreading the wealth.

And as to why most men benefit from monogamous society, he says, given a 50-50 sex ratio, it basically guarantees every man a wife. He explains, under polygyny (the practice of one man married to several women) more desirable women would have become the second, third, or tenth wife of more desirable men thus depriving less desirable men of having a wife.

I can see his points but he is merely pointing out tangible benefits without taking into account the intangible factors, for example emotional happiness as most women would when talking about polygamy.

Whether the desirable man is Matt Damon or Bill Gates, I doubt, in reality women are prepared to happily give up her sole claim of her man when the time comes, without some indignation.

I come from a society where it is not illegal to practise polygamy. When practised properly and fairly, polygamy can seemingly prove blissful. But it is a very fine line to tread.

Under certain circumstances, I can see some women benefit from polygamy and some, with reasons only known to them are willing to give in and allow their husbands to take a second or third wife, or more.

• The paradox of polygamy II: Why most women benefit from polygamy and most men benefit from monogamy [Psychology Today Blogs]