And it's because of simple economics. Family planning policies which limited couples to one child along with a preference for boys has left a surplus of 32 million marriage aged men. So it is easier for a woman to pretend to want to marry a man. Once she receives a dowry, the scam artist can split. Men are so happy to have found a wife that they are not as careful as they should be. The price of brides has gone up and the savings rate of young men has gone up as they try to have enough money to get married. You can read all about it at It's Cold Cash, Not Cold Feet, Motivating Runaway Brides in China.
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