国际货币基金组织欧洲部门主管Kammer：欧洲央行应该将关键利率维持在2%，除非新的冲击实质性地改变通胀前景。

Core Viewpoint - The International Monetary Fund's European Department Head, Kammer, suggests that the European Central Bank should maintain the key interest rate at 2% unless new shocks significantly alter the inflation outlook [1] Group 1 - The recommendation to keep the interest rate at 2% indicates a cautious approach to monetary policy in Europe [1] - The emphasis on waiting for substantial changes in the inflation outlook suggests a focus on stability and careful monitoring of economic indicators [1]