TOKYO -- With the U.S. and European central banks eyeing further monetary easing, the Bank of Japan faces a difficult decision on whether to follow suit in order to keep the yen from strengthening too far.
The BOJ signaled openness to the idea at its policy meeting Tuesday. But after years of ultralow rates and massive asset purchases by Japan's central bank, it is unclear how much of an impact such a move can still make -- and what the side effects would be.
