日本央行：关于超长期国债区的供需状况，还应关注投资者对财政政策的投机行为所带来的影响。

Core Viewpoint - The Bank of Japan emphasizes the need to monitor the impact of investor speculation on fiscal policy regarding the supply and demand conditions of ultra-long-term government bonds [1] Group 1 - The Bank of Japan is focusing on the supply and demand dynamics of ultra-long-term government bonds [1] - There is a specific concern regarding how investor behavior related to fiscal policy may influence these dynamics [1]