为什么说基础货币被称为“高能货币”,基础货币变动1元将导致货币供应量的扩张或收缩超过一元。求详细解
推荐回答(2个)
首先你要明白货币乘数的概念,当央行向市场以降低准备金或发行国债的方式增发货币时,这些货币会有一部分在市场交易中被再次存入银行,而银行又会将存款扣除准备金后贷放出去,导致市场上的实际货币供应量大于央行最初放入市场的货币量。这个放大比例叫做货币乘数,在确定准备金率和现金存款比率之后可以求出货币乘数,这时进行化简后可得货币乘数等于货币供应量与基础货币的比值,基础货币就是央行留存的未流入市场的货币量。
概念确时挺抽象的。
基础货币(储备货币)=金融机构的库存现金+流通中的货币+央行的其它存款性公司的存款(法定准备金和超额准备金),在第三方支付纳入监管后,央行的非金融机构的存款也应纳入其中。要理解高能货币,首先要说明现金和存款货币的区别,以其存款货币是怎么通过货款被创造出来的。
存款货币是银行信用支持的对存款人的债务,并能够通过法定准备金条件下的贷款制度完成再生产。如A在甲银行存入100元现金,账户中记100元,这时现金银行存了下来,A账户上有了100元的存款货币,这意味着甲银行欠A 100元现金。但A在日常生活中并不使用现金,通过甲银行信用保证A账上的100元存款货币无论通过什么支付方式,均承诺和保证了收款方最终都可以拿到100元现金,以支持A的存款货币可以用于交换。
关键的“钱生钱”的游戏开始了。甲银行有了100元存款,按法定准备金10%算,甲银行向央行(中国银行)存10元准备金,剩余90元就可以放贷给B;A账户上有100元,B账户上有90元的存款货币。意味着甲银行分别对两有100和90元的债务,但存款货币可以保证两人的正常交换功能;区别在于B的90元是从甲银行贷的,将来要返还本息。
B购买了商品,将甲银行账上90汇给了乙银行的C,B账号款项为0元,而C在乙银行账号上多了90元。乙银行有了90元存款,同样向央行存9元准备金,剩余81元可以放货给D。这样A最初的100元现金,经过两次放贷,分别变成了A 100元,B 0元(已购商品),C 90元,D 81元,共计271元存款货币,钱就是这样被创造出来的。经过反复贷款,100元存款货币每次贷款上缴央行10%,最终全部存到央行,而各银行则分别放贷100*(0.9)的N次方,加上A的100元本金共计1000元的存款货币。这就是货币系数。银行只要控制坏账,好赚钱啊!
基础货币则是指银行贷款体系之外的货币,一旦进入放贷体系就会形成新的存款货币,具备钱生钱的“高能”特性,派生出数倍于自已的存款货币。从这个意义上讲,高能货币的内涵就清晰了。特殊情况是A最初的100元现金,已经形成了存款货币,被甲银行现金库存锁定,一量转到其它银行,其高能的特性将被激活,这就是基础货币中的银行库存现金。同理,流通中的现金,一但回到银行,高能特性也将得以激活。
同时,央行的各存款银行准备金和超额准备金,及非金融性公司存款,被央行锁定,进入商业银行体系后,高能特性得以激活。所以这几个组成部分,称做储备货币,或基础货币。从存款货币再生产的属性和货币供应角度来定义,则被称做高能货币。
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