日本央行行长提出收紧货币政策，通胀上行风险正在加剧

Group 1 - The core viewpoint is that the Bank of Japan is considering tightening monetary policy if the certainty of the expected economic outlook increases [1] - Bank of Japan Governor Ueda Kazuo indicated that inflation risks are rising, and the inflation rate may reach targets earlier than anticipated [1] - BOJ board member Tamura Naoki stated that the current policy interest rate is still far from neutral levels, suggesting a need to approach neutral rates to avoid future aggressive rate hikes [1] Group 2 - Tamura Naoki mentioned that the situation has entered a phase of assessing whether to raise interest rates due to increasing risks of price hikes [3] - He also pointed out that despite temporary increases in food prices, there is a possibility of a broader and sustained rise in prices [3]