We evaluate the effects of the 2009 Home Affordable Modification Program (HAMP) that provided intermediaries with sizeable financial incentives to renegotiate mortgages. HAMP increased intensity of renegotiations and prevented substantial number of foreclosures but reached just one-third of its...

When borrowers are delinquent, senior debtholders prefer liquidation whereas junior debtholders prefer to maintain their option value by delaying resolution or modifying the loan. In the mortgage market, a conflict of interest (“holdup”) arises when servicers of securitized senior liens are...