Recognizing that money demand includes transaction, precautionary, and speculative demand, as Keynes claimed, it is not proper to take aggregate demand for money as the transaction demand. 凯恩斯早就指出过,货币需求包括交易、预备需求和投机需求三种形式,以货币供给总量代表货币的交易需求量显然不妥当。
An Analysis on the Effect of Futures Speculative Transaction on Steadiness of Spot Market and Its Benefit 期货投机交易对现货市场的稳定效应及福利分析