3. Changing the discount rate
The Fed encourages and discourages banks from borrowing money from it by raising or lowering its lending interest rates. When the discount rate is low, banks borrow more to lend to each other and the public
3.改变贴现率
美联储通过提高或降低贷款利率来鼓励和阻止银行向美联储借款。当贴现率较低时，银行会借更多的钱向彼此和公众放贷