The Bank of Japan Deputy Governor Wang Zeng: Some people believe that negative interest rates did not cause an increase in capital expenditure; others are worried about the impact of negative interest rates on bank profits.
Price trend continued to improve, enterprises generally raised wages and prices, but risks remain; fiscal year 2017 is expected to price will rise to around 2%.
Bank of Japan will focus on whether the income growth can transfer to the expenditure, wage growth accompanied by price increases if, before deciding whether to loose.
Japan is expected to gradually pick up in inflation from the 0-2% of the transition period.
Negative interest rate policy is expected to produce the desired results; despite side effects, but there is still a huge advantage.

 Source: Wall Street CN