Aggressive deregulation of the mortgage market in the early 1980s triggered innovations that greatly reduced indebted households' required home equity, and a borrowing surge followed. This paper uses a calibrated general equilibrium model of lending from the wealthy to the middle class to...

Aggressive deregulation of the household debt market in the early 1980s triggered innovations that greatly reduced the required home equity of U.S. households, allowing them to cash-out a large part of accumulated equity. In 1982, home equity equaled 71 percent of GDP; so this generated a...