The study, Payday Lending in America: How Borrowers Choose and Repay Payday Loans, notes the average payday loan requires a repayment of more than $400 in two weeks, but the average borrower can afford only $50.READ: Why you can not stay out of debtThis leads them back to some of the choices they tried originally to avoid, such as overdraft fees, borrowing from family or friends and long-term debt.T