This paper analyses different operational central bank policies and their impact on the behaviour of the money market interest rate. The model combines profit maximising behaviour by commercial banks with the central bank supplying the liquidity that keeps the market rate on target. It seems...

The paper presents a model of a monetary economy where there are differences in liquidity across assets. Money circulates because it is more liquid than other assets, not because it has any special function. There is a spectrum of returns on assets, reflecting their differences in liquidity. The...