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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 ...
The quantity equation itself as stated above is uncontroversial, as it amounts to an identity or, equivalently, simply a definition of velocity: From the equation, velocity can be defined residually as the ratio of nominal output to the stock of money: = /. Developing a theory out of the equation requires assumptions be made about the causal ...
This equation is a rearrangement of the definition of velocity: :=. As such, without the introduction of any assumptions, it is a tautology . The quantity theory of money adds assumptions about the money supply, the price level, and the effect of interest rates on velocity to create a theory about the causes of inflation and the effects of ...
According to the equation of exchange MV = PY, where M is the stock of money, V is its velocity (how many times a unit of money turns over during a period of time), P is the price level and Y is real income. Consequently, PY is nominal income or in other words the number of transactions carried out in an economy during a period of time ...
Here y is written as a function of N, the number of workers employed; p is the price (in money terms) of a unit of real output; V(r) is the velocity of money; and W is the wage rate in money terms. N, p and r are the 3 variables we need to recover.
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 ...
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In the 1970s velocity had seemed to increase at a fairly constant rate, but in the 1980s and 1990s velocity became highly unstable, experiencing unpredictable periods of increases and declines. Consequently, the stable correlation between the money supply and nominal GDP broke down, and the usefulness of the monetarist approach came into question.