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Among these risks were the Ninja loans, mortgages to people without the ability to pay them. They were took with the idea that, as long as speculators, kept bidding up the price of the properties, new bank credit could be created to allow the debtor to pay the monthly interest payment. The Banks did indeed create enough credit to sustain this system until the speculator stopped buying, creating the Subprime mortgage crisis and the end of the Great Moderation