Subprime borrowing and innumeracy
….those who fell behind on their mortgages were noticeably less numerate than those who kept up with their payments in the same overall circumstances. The least numerate fell behind about 25% of the time. For those who did best on the test, the number of payments they missed was almost 12%. A fifth of the least numerate group had been in foreclosure, but only 7% of those who were more numerically adept had.