Piskorski, Tomasz; Tchistyi, Alexei - In: Review of Financial Studies 24 (2011) 5, pp. 1407-1446
We characterize the optimal mortgage contract in a continuous-time setting with stochastic growth in house price and income, costly foreclosure, and a risky borrower who requires incentives to repay his debt. We show that many features of subprime loans can be consistent with properties of the...