[...]This article significantly advances the literature onmortgage prepayments by introducing quantitative measuresof individual homeowner credit histories to the loan-levelanalysis of the factors influencing the probability that a homeownerwill refinance. In addition to credit histories, we...

The optimal prepayment model asserts that rational homeowners will refinance if they can reduce the current value of their liabilities by an amount greater than the refinancing threshold, defined as the cost of carrying the transaction plus the time value of the embedded call option. To compute...