But because no major central bank has ever had such a loose policy, no one knows for sure how to end it smoothly.
The worry is that the loose monetary policy won't be effective indefinitely.
The loose monetary policy will only have an effect if proper fiscal measures are implemented.
The Bank of Japan might have heard more calls to ease its already loose monetary policy.
Inflation in the economy, propelled by loose monetary policy, did not just jump to a higher level and stay there.
They worry that loose monetary policy could bring about increased inflation, which, in turn, would hurt bond prices.
Economists note that the bank has been following a surprisingly loose monetary policy.
"They are tying their own hands and saying, hey, we're committing ourselves to not running a loose monetary policy."
We've already had four years of extremely loose fiscal and monetary policy.
There is no question that the Fed's loose monetary policy helped jolt the economy back to life last year.