This document summarizes the economic impacts of the 9/11 terrorist attacks. It discusses the immediate impacts on industries like financial services, aviation, and insurance. It notes jobs lost in New York City reached over 100,000 and economic losses were estimated between $25-83 billion. Longer-term impacts included the loss of 34.5 million square feet of office space and around 200,000 jobs being destroyed or relocated from New York City. The federal government cut interest rates and provided financing incentives to stimulate the economy in response to the attacks.