Federal Reserve researchers say the high cost of college is keeping the young out of homeownership.
Low unemployment is not expected to boost wage growth, the study said.
The share of 25- to 34-year-old women who are employed or looking has staged a sharp turnaround since 2016.
The former U.S. Treasury secretary gave a damning review to a policy that has been adopted in Japan and Europe.
"We will be patient as we watch to see how the economy evolves,” the Fed chairman said.
Uncertainty in growth and weakness in rate-sensitive stocks should lead to a more cautious Fed, said Kaplan.
'The Wall Street Journal' and Donald Trump want the Fed to forgo another interest rate increase.
After a period of rate cuts and quantitative easing by central banks, economists look back to study the impacts.
Three signals have analysts concerned that a recession is coming sooner than later.
The Fed may not react to a sharp market decline with interest rate cuts, said Vice Chair Richard Clarida.