It was only after the Reagan deregulation that thrift gradually disappeared from the American way of life … It was the explosion of debt over the previous quarter-century that made the U.S. economy so vulnerable. Overstretched borrowers were bound to start defaulting in large numbers once the housing bubble burst and unemployment began to rise. These defaults in turn wreaked havoc with a financial system that – also mainly thanks to Reagan-era deregulation – took on too much risk with too little capital.

long period of stability after World War II, based on a combination of deposit insurance, which eliminated the threat of bank runs, and strict regulation of bank balance sheets, including both limits on risky lending and limits on leverage, the extent to which banks were allowed to finance investments with borrowed funds.