Shutdown measures must be coupled with massive federal government support to sustain the population through isolation and prime the economy to pick up where it left off, Bullard says.
"It looks to me like the order of magnitude in most states seems to be about 10 times higher than the normal weekly numbers before the crisis," said Pantheon Macroeconomics' Ian Shepherdson.
Thursday's spike in weekly jobless claims, considered the canary in the coal mine for labor, signals the start of a crush of layoffs amid the coronavirus pandemic.
As the coronavirus outbreak threatens to bring U.S. economic activity to a grinding halt, American businesses are jockeying for a financial lifeline from the administration of President Donald Trump.
President Donald Trump on Wednesday signed a $100 billion coronavirus aid package into law which includes provisions for emergency paid leave for workers as well as free testing.
Some of the biggest policy proposals so far include an announcement from Treasury Secretary Steve Mnuchin that the government is looking at mailing Americans cash assistance and legislation passed by the House of Representatives that provides paid sick leave to some American workers this year.
U.S. homebuilding fell in February, pulled down by a sharp decline in the construction of multifamily housing units, and could continue to weaken as the coronavirus pandemic disrupts economic activity.
U.S. Treasury Secretary Steven Mnuchin warned Republican senators that the country's unemployment rate could hit 20% if they failed to act on a proposed coronavirus rescue package and there was lasting economic damage, a person familiar with the closed-door meeting said.