When home prices threaten to decline, lenders bearing more of a community's mortgage risk have an incentive to combat this decline with new lending that boosts demand. We test whether this incentive drove the government-sponsored enterprises (GSEs) to guarantee riskier mortgages in early 2007,...

Regulators express growing concern over predatory loans, which the authors take to mean loans that borrowers should decline. Using a model of consumer credit in which such lending is possible, they identify the circumstances in which it arises both with and without competition. The authors find...