"The quality of mercy is not strained."
So Shakespeare tells us through the words of Portia, that intrepid heroine of the Bard's account of financial dealings in the city state of Venice.
The quantity of money likewise has been unstrained for the past five years in Japan. Indeed, while Shakespearean mercy ". . . droppeth as the gentle rain from heaven upon the place beneath," Japanese money has been pouring down on the economy in relentless bucketfuls by virtue of the Bank of Japan's ultraloose monetary policy.