Hi, The discount window is a policy which is governed by the central bank that allows the financial institution to borrow money from the central bank on a short term basis. After the 9/11 incidents, Federal Reserve added $100 billion in liquidity per day, during the three days following the attack, to help avert a financial crisis. Now, this was an important step to boost the economy. The action provided the much needed liquidity for the various financial institutions to function Solution Hi, The discount window is a policy which is governed by the central bank that allows the financial institution to borrow money from the central bank on a short term basis. After the 9/11 incidents, Federal Reserve added $100 billion in liquidity per day, during the three days following the attack, to help avert a financial crisis. Now, this was an important step to boost the economy. The action provided the much needed liquidity for the various financial institutions to function.