They slashed interest rates to zero and launched the first of nearly a dozen lending and other programs designed to keep financial markets from imploding.
They also aimed to cushion the economy from the oncoming shock of mass layoffs and business closures as the country began to shut down to slow the spread of the virus, the extent of which has only lately become clear as states report 30 million people sought unemployment insurance over the past six weeks.
Over the course of March, as cases of the coronavirus mounted and policymakers began to express more public concern, Powell spoke with Treasury Secretary Steven Mnuchin at least 11 times, the calendar shows. That is surely an undercount as the two worked out a range of corporate lending programs, some of which had never before been tried, to keep previously healthy businesses afloat.