During a recession, banks lend more cautiously as their losses mount, while borrowers become less creditworthy as their finances deteriorate. More cautious banks and less creditworthy borrowers mean that credit flows less freely, impeding household purchases and business investments. These declines in spending exacerbate the recession.
More generally, our work underscored the importance of a healthy financial system for the economy. For example, it implied that recessions are worse when households and businesses start with high debt levels, as falling income and profits make it more difficult for borrowers to pay their existing debts or to borrow more.