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The velocity of money provides another perspective on money demand.Given the nominal flow of transactions using money, if the interest rate on alternative financial assets is high, people will not want to hold much money relative to the quantity of their transactions—they try to exchange it fast for goods or other financial assets, and money is said to "burn a hole in their pocket" and ...
In monetary economics, the equation of exchange is the relation: = where, for a given period, is the total money supply in circulation on average in an economy. is the velocity of money, that is the average frequency with which a unit of money is spent.
Either way, the equation in itself is an identity which is true by definition rather than describing economic behavior. That is, velocity is defined by the values of the other three variables. Unlike the other terms, the velocity of money has no independent measure and can only be estimated by dividing PQ by M. Adherents of the quantity theory ...
In this case inflation in the long run is a purely monetary phenomenon; a monetary policy which targets the money supply can stabilize the economy and ensure a non-variable inflation rate. This analysis however breaks down if the demand for money is not stable – for example, if velocity in the above equation is not constant.
Monetary economics is the branch of economics that studies the different theories of money: it provides a framework for analyzing money and considers its functions ( as medium of exchange, store of value, and unit of account), and it considers how money can gain acceptance purely because of its convenience as a public good. [1]
For example, the velocity of money is defined as nominal GDP / nominal money supply; it has units of (dollars / year) / dollars = 1/year. In discrete time , the change in a stock variable from one point in time to another point in time one time unit later (the first difference of the stock) is equal to the corresponding flow variable per unit ...
Money velocity had been stable and grew consistently until around 1980 (green). After 1980 (blue), money velocity became erratic and the monetarist assumption of stable money velocity was called into question. [94] Monetarism attracted the attention of policy makers in the late-1970s and 1980s.
The Cambridge equation first appeared in print in 1917 in Pigou's "Value of Money". [2] Keynes contributed to the theory with his 1923 A Tract on Monetary Reform.. The Cambridge version of the quantity theory led to both Keynes's attack on the quantity theory and the Monetarist revival of the theory. [3]