日本前汇市高官献策：阻贬日元需“组合拳”，单边干预“药效”不及“干预+加息”持久

Core Viewpoint - The use of foreign exchange reserves for market intervention can have an immediate impact on exchange rates, but its effects will be more lasting if accompanied by a steady interest rate hike from the Bank of Japan [1] Group 1: Market Intervention and Interest Rates - Former senior foreign exchange official Takehiko Nakao emphasized that direct market intervention can create a strong influence, but a clear commitment to gradual interest rate increases by the Bank of Japan would enhance the durability of this impact [1] - The Bank of Japan raised the short-term policy interest rate to 0.75% in December last year and indicated readiness to continue increasing borrowing costs [1] - Nakao attributed the weakness of the yen to the Bank of Japan's continued accommodative stance, suggesting that a slow pace of interest rate hikes has resulted in significantly negative real interest rates adjusted for inflation [1] Group 2: Inflation and Currency Dynamics - Nakao noted that the inflation rate has remained above the Bank of Japan's 2% target for nearly four years, keeping real borrowing costs in negative territory [1] - He suggested that appropriately responding to inflation through interest rate hikes could help curb excessive rises in long-term government bond yields [1] - The potential nomination of Kevin Warsh as the next Federal Reserve Chair was highlighted, with Nakao warning that a slow pace of interest rate hikes by the Bank of Japan could lead to further depreciation of the yen [2]