The Fed did so after the 1987 stock market crash , which prompted traders to coin the term Greenspan Put , later termed moral hazard . In 2000 , Alan Greenspan raised interest rates several times . These actions were believed by some to have caused the bursting of the dot-com bubble . The Fed also injected funds to avert further market declines associated with the savings and loan crisis and Gulf War , the Mexican crisis , the Asian financial crisis , the LTCM crisis , Y2K , the burst of the internet bubble , the 9/11 attacks , and repeatedly from the early stages of the Global Financial Crisis to the present
9/11 attacks
September 11 attacks
Greenspan put