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The quantity theory of money (often abbreviated QTM) is a hypothesis within monetary economics which states that the general price level of goods and services is directly proportional to the amount of money in circulation (i.e., the money supply), and that the causality runs from money to prices. This implies that the theory potentially ...
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]
There is some empirical evidence of a direct relationship between the growth of the money supply and long-term price inflation, at least for rapid increases in the amount of money in the economy. [53] The quantity theory was a cornerstone for the monetarists and in particular Milton Friedman, who together with Anna Schwartz in 1963 in a ...
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.
Monetarism is an economic theory that focuses on the macroeconomic effects of the supply of money and central banking. Formulated by Milton Friedman , it argues that excessive expansion of the money supply is inherently inflationary , and that monetary authorities should focus solely on maintaining price stability .
Recall that the start of the Quantity theory's mechanism is a helicopter drop of cash: an exogenous increase in the supply of money. Wicksell's theory claims, indeed, that increases in the supply of money leads to rises in price levels, but the original increase is endogenous, created by the relative conditions of the financial and real sectors.
The Cambridge equation formally represents the Cambridge cash-balance theory, an alternative approach to the classical quantity theory of money. Both quantity theories, Cambridge and classical, attempt to express a relationship among the amount of goods produced , the price level , amounts of money, and how money moves.
Endogenous money is a heterodox economic theory with several strands, mostly associated with the post-Keynesian school, as well as some sectors of the Austrian school. Multiple theory branches developed separately and are to some extent compatible (emphasizing different aspects of money), while remaining united in opposition to the New ...