联邦储备价值8000万美元外国货币。 a.利用联邦储备和个人的资产负债表,描述上述交易。 b.高能货币的净变动量是多少? The Federal Reserve sells$100 million in Treasury bills to households.To buy them,households use$20 million from their local currency holdings and sell$80 million worth of their foreigncurrency holdings to the Federal Reserve. a.Describe the transactions using the balance sheets for the Federal Reserve and the households. b.What is the net change in high-powered money?