利率，是国家调控经济的重要杠杆之一。灵活地运用利率政策对经济发展的速度、通货膨胀等进行有效地调节，可以引导社会经济按既定目标发展，实现国家经济持续、良性的增长。美国联邦储备银行在１９９４年前后仅一年的时间里，曾七次调整利率，对美国经济９０年代以来稳定... Interest rate is one of the important levers for the state to control the economy. The flexible use of interest rate policy to adjust the pace of economic development and inflation effectively can guide the social economy to develop according to its stated objectives and achieve sustained and benign economic growth. In just one year after 1994, the Federal Reserve Bank of England has adjusted interest rates seven times and has stabilized the U.S. economy since the 1990s.