Monetary Disequilibrium Theory
Encyclopedia
Monetary disequilibrium theory is basically a product of the Monetarist school
Monetarism
Monetarism is a tendency in economic thought that emphasizes the role of governments in controlling the amount of money in circulation. It is the view within monetary economics that variation in the money supply has major influences on national output in the short run and the price level over...

 mainly represented in the works of Leland Yeager and Austrian macroeconomics. The basic concept of monetary equilibrium(disequilibrium) was however defined in terms of an individual's demand for cash balance by Mises(1912)in his Theory of Money and Credit.

Among the theories of macroeconomic fluctuations which accord an important role to money monetary disequilibrium theory is one.There are two other theories.The second is the Austrian theory of the business cycle
Business cycle
The term business cycle refers to economy-wide fluctuations in production or economic activity over several months or years...

 and the third is based on rational expectations
Rational expectations
Rational expectations is a hypothesis in economics which states that agents' predictions of the future value of economically relevant variables are not systematically wrong in that all errors are random. An alternative formulation is that rational expectations are model-consistent expectations, in...

.

History of the concept

Leland Yeager's (1968) understanding of the monetary disequilibrium theory begins with fundamental properties of money.
Money is the generally accepted medium of exchange is one among the most important properties. The other two properties that Yeager emphasized are that the demand for money is a demand to hold real money balances and that the acquisition of money has a "routinenss" to it that distinguishes it from other goods.He actually made effective use of the cash balance approach to the demand for money. When we combine these two properties we get a distinction between actual and desired money balances. The differences between individuals' actual and desired holdings of money are the proximal causes of them affecting the level of spending in the macroeconomy. These differences between actual and desired money balances appear economy-wide when we have inflation
Inflation
In economics, inflation is a rise in the general level of prices of goods and services in an economy over a period of time.When the general price level rises, each unit of currency buys fewer goods and services. Consequently, inflation also reflects an erosion in the purchasing power of money – a...

 or deflation.

It presents an alternative to the real business cycle model and the quantity theory of money
Quantity theory of money
In monetary economics, the quantity theory of money is the theory that money supply has a direct, proportional relationship with the price level....

 considered only a long-run theory of the price level
Price level
A price level is a hypothetical measure of overall prices for some set of goods and services, in a given region during a given interval, normalized relative to some base set...

. While it is widely agreed in economics
Economics
Economics is the social science that analyzes the production, distribution, and consumption of goods and services. The term economics comes from the Ancient Greek from + , hence "rules of the house"...

 that monetary policy
Monetary policy
Monetary policy is the process by which the monetary authority of a country controls the supply of money, often targeting a rate of interest for the purpose of promoting economic growth and stability. The official goals usually include relatively stable prices and low unemployment...

 can influence real activity in the economy, real-business-cycle theory ignores these effects. The theory also addresses the effects of monetary policy on real sectors of the economy, that is, on the quantity and composition of output.

Monetary-disequilibrium theory states that output, not (or not only) prices and wages, fluctuate with a change in the money supply
Money supply
In economics, the money supply or money stock, is the total amount of money available in an economy at a specific time. There are several ways to define "money," but standard measures usually include currency in circulation and demand deposits .Money supply data are recorded and published, usually...

. To that degree, prices are represented as sticky
Sticky
Sticky may refer to:* Adhesion* Sticky , resistant to change* Sticky , a book of gay erotic comics* Sticky Fingaz or Sticky, nickname of the US rapper and actor Kirk Jones* Sticky note, a generic term for a Post-it note or competitor...

. It is this “monetary disequilibrium,” that, the theory contends, affects the economy in real terms. Thus, changes in the money supply will result first in a change of output in the same direction, as distinct from merely a change in prices. Consequently, an increase in the money supply will induce workers and businesses to supply more, without being fooled into doing so. In a situation where the money supply
Money supply
In economics, the money supply or money stock, is the total amount of money available in an economy at a specific time. There are several ways to define "money," but standard measures usually include currency in circulation and demand deposits .Money supply data are recorded and published, usually...

 contracts, businesses will respond by laying off workers. In this way, the theory accounts for involuntary unemployment
Unemployment
Unemployment , as defined by the International Labour Organization, occurs when people are without jobs and they have actively sought work within the past four weeks...

. The disequilibrium between the supply and demand for money exists as long as nominal supply does not adjust automatically to meet the nominal demand.
Monetary-disequilibrium is a short-run phenomenon as it contains within itself the process by which a new equilibrium is established i.e. through changes in the price level.Now, if the demand for real balances change either the nominal money supply or price level can adjust the monetary equilibrium in the long run as seen from the figure.
From the definition of monetary-disequilibrium movements in the demand for money are responded to the changes in the real money supply through adjustments in the nominal money supply as seen from the movement fro point O to A in the figure and not the price level( movement from O to A' in the figure).
The demand for money means demand to hold real cash balances. If the money supply is increased to an amount beyond which the public desires to hold(from MS to MS',leading to a movement from O to A).This can be seen from the figure.With the increase in supply of money people find themselves with larger money balances than they wish to hold and thus reside temporarily at point A. If we assume that there has been no change in the demand for money, these excesses will be spent on goods, services or financial assets thereby increasing their prices,leading to a movement from point A to new equilibrium point B.The increase in the price level( P*P*).
In the long run any supply of money is a equilibrium supply.The long-run movement from equilibrium O to B is shown in the figure.

Early monetary-equilibrium theory

Swedish economist Knut Wicksell
Knut Wicksell
Johan Gustaf Knut Wicksell was a leading Swedish economist of the Stockholm school. His economic contributions would influence both the Keynesian and Austrian schools of economic thought....

 (1962) was one of the main propagators of the theory. He was primarily concerned with the behavior of the general price level, as influenced by interest rates. As described by Gunnar Myrdal
Gunnar Myrdal
Karl Gunnar Myrdal was a Swedish Nobel Laureate economist, sociologist, and politician. In 1974, he received the Nobel Memorial Prize in Economic Sciences with Friedrich Hayek for "their pioneering work in the theory of money and economic fluctuations and for their penetrating analysis of the...

 in 1939, the definition given by Wicksell was based on the existence of three conditions.

First, among them is the equivalence of the "natural" rate of interest and the money rate of interest.
The second condition of monetary equilibrium is equilibrium in the capital market.That is the equivalence between the supply of and demand for savings.
Finally, the third condition of monetary-equilibrium concerns equilibrium in the commodity market defined as stable price level.

Myrdal however has a different stand all together on this.He does admit the possibility that an increase in savings might decrease the money interest rate thereby increasing the investment but does think this to be a very strong factor and therefore misses the equilibrating function of the interest rates in the capital market.

Two important points regarding monetary-equilibrium needs to be stated.
Firstly,there is no necessary relationship between monetary and general equilibrium.It is totally compatible with disequilibria in various markets for goods and services.
Secondly,monetary- equilibrium can be seen as a desirable policy goal by monetary regimes.

Monetary-equilibrium in the Austrian School

The concept of monetary-equilibrium is basically a European one.Much of the work on this doctrine has been done by Swedish, British and Austrian economists.The whole approach begins with the work of Knut Wicksell
Knut Wicksell
Johan Gustaf Knut Wicksell was a leading Swedish economist of the Stockholm school. His economic contributions would influence both the Keynesian and Austrian schools of economic thought....

 in the development of the concepts of natural and market rates of interest. Wicksell believed that if the two rates are equal then the price level will be constant and any difference in the two rates will manifest themselves as changes in the value of money. Wicksell's work had a clear Austrian connection as he relied on Eugen Ritter von Böhm-Bawerk's theory of capital in developing the concepts.
The representative of the British monetary-equilibrium approach was mainly Dennis Robertson.

Mises relationship to the theory is ambiguous.According to Ludwig von Mises
Ludwig von Mises
Ludwig Heinrich Edler von Mises was an Austrian economist, philosopher, and classical liberal who had a significant influence on the modern Libertarian movement and the "Austrian School" of economic thought.-Biography:-Early life:...

, monetary equilibrium happens first at the individual level. Each actor wants to keep a cash balance on hand for future transactions,say,both planned and contingent. This desired money balance of the individual constitutes his money demand and is based on his subjective valuation of holding money compared to their valuation of obtaining more goods and services. The amount of the money that the individual possess is his supply of money. Individuals will try to equate their desired and actual cash holdings through their spending behavior.

The theory was further developed by Friedrich August Hayek.

Most of the recent work on this theory has been done by Murray Rothbard
Murray Rothbard
Murray Newton Rothbard was an American author and economist of the Austrian School who helped define capitalist libertarianism and popularized a form of free-market anarchism he termed "anarcho-capitalism." Rothbard wrote over twenty books and is considered a centrally important figure in the...

.

The Austrian economists in the 1920's and 1930's thus played a central role in the macroeconomic debates of the time.

Synthesis of the Yeager and Austrian theory

Monetary disequilibrium theory has always been a part of the Austrian Monetary theory.Significant features of the monetary-disequilibrium theory except the inclusion of the stable price level have been present in the Austrian theory for a long time now.
Mostly modern Austrian economists emphasize on the effects of inflation than the harm caused by rapid deflation.
This is mainly because inflation is a more immediate problem in the current system and deflation is a result of prior inflation.
Over the last few years preventing deflation by inflating the money supply has quite worked out and thus it would be better if we limit the monetary expansion on the first place.

Leland Yeager's theory of monetary disequilibrium is simpler than the the Austrian School of thought but it leaves out important parts of the economic system and hence provides an incomplete view of the business cycles.
Austrian theory being simple is the only theory that places business cycles in the full context of a functioning economy.

Monetary-equilibrium,loanable funds and interest rates

In case of loanable funds market we need to discuss to concepts ex-ante and ex-post.Ex-ante is what people desire and ex-post is what happens in the market process. In case of market equilibrium what demanders wish to do is exactly equal to what suppliers wish to do. This has been shown in the figure. The equilibrium here is ex-ante. However it does not guarantee that ex-post will match it especially if entrepreneurs are prevented from finding the price that will bring equilibrium in the market. Let us take the case of price ceiling. At that price quantity demanded will exceed the quantity supplied resulting in a ex-ante disequilibrium.

If the market process proceeds in this scenario we will see that the amount bought equals the amount sold and there is an ex-post equality. This happens because demanders are unable to make their demands effective due to the price ceiling.

In loanable funds market equilibrium ex-ante plans of savers and investors match precisely. The monetary equilibrium has implications for the rate of interest as there is a distinction between market rate of interest and natural rate of interest. The market rate of interest is the rate that the banks are actually charging in the loanable funds market while natural rate of interest corresponds to the time preferences of savers and borrowers as expressed in demand-supply presentation for loanable funds(r* in the figure).
The monetary system is not a source of disturbance when there is monetary equilibrium but at the time of monetary disequilibrium the system becomes a source of disequilibrium by distorting the sources generated during the process of turning time-preferences into the demand and supply for loanable funds. For ex-ante and ex-post quantities to be equal someone has to lose out.In addition the adjustment process entails significant social costs.Now,let us suppose there is an excess supply in the market.Banks will create more loanable funds than people's real willingness to save as determined by their time preferences. This will result in a fall in the market rate of interest as banks will try to lure new borrowers with their excess money supply, but the natural rate remains the same as no additional supply of loanable funds have come from the public.

Monetary equilibrium, Classics and Keynes

The monetary-equilibrium framework is in some ways not at all different from the Classical model.The three central theories of the Classical School
Classical school
The Classical School in criminology is usually a reference to the 18th-century work during the Enlightenment by the utilitarian and social contract philosophers Jeremy Bentham and Cesare Beccaria. Their interests lay in the system of criminal justice and penology and, indirectly through the...

 are Say's Law
Say's law
Say's law, or the law of market, is an economic principle of classical economics named after the French businessman and economist Jean-Baptiste Say , who stated that "products are paid for with products" and "a glut can take place only when there are too many means of production applied to one kind...

, Quantity theory of money
Quantity theory of money
In monetary economics, the quantity theory of money is the theory that money supply has a direct, proportional relationship with the price level....

 and the role of interest rates.
Say's Law
Say's law
Say's law, or the law of market, is an economic principle of classical economics named after the French businessman and economist Jean-Baptiste Say , who stated that "products are paid for with products" and "a glut can take place only when there are too many means of production applied to one kind...

 (supply creates it own demand)implies that aggregate supply would always be equal to aggregate demand.The argument was that the sales of goods in the market produces the necessary income to buy that supply.This view was a part of the belief in Laissez-faire
Laissez-faire
In economics, laissez-faire describes an environment in which transactions between private parties are free from state intervention, including restrictive regulations, taxes, tariffs and enforced monopolies....

 that government intervention is not required to prevent general shortages.

The Quantity theory of money
Quantity theory of money
In monetary economics, the quantity theory of money is the theory that money supply has a direct, proportional relationship with the price level....

 explained the price level whereas other microeconomic factors explained relative prices.

With relative prices being explained by resources and tastes, the possibilities of shortages excluded by Say's Law
Say's law
Say's law, or the law of market, is an economic principle of classical economics named after the French businessman and economist Jean-Baptiste Say , who stated that "products are paid for with products" and "a glut can take place only when there are too many means of production applied to one kind...

 and
Quantity theory of money
Quantity theory of money
In monetary economics, the quantity theory of money is the theory that money supply has a direct, proportional relationship with the price level....

 being explained by the price level, the only missing factor was the intertemporal exchange.

In the simplest model,income Y is made up of either Consumption
Consumption
Consumption may refer to:Economics* Use of final goods by a consumer until disposal* Consumption * Consumption function, an economic formula* Consumption Sociology* Consumption Other...

 (C) or Saving (S) while expenditure (Yi) were either on consumption or investment goods.Here, we ignore government and foreign trade.This can seen from equation 1.Now, if the preferences of the income earners shift towards the future resulting in a fall in C and increase in S as shown in equation 2.In the simple classical model increase in savings cause a fall in the interest rates thereby inducing additional investment expenditure.This increase in Investment
Investment
Investment has different meanings in finance and economics. Finance investment is putting money into something with the expectation of gain, that upon thorough analysis, has a high degree of security for the principal amount, as well as security of return, within an expected period of time...

 (I) implies a fall in (C) on the expenditure side as shown in equation 3. As given Ci= Ce, the increase in investment is equal to the increase in savings and a shift in intertemporal preferences does not distrupt the equality between income and expenditure and alo there is no change in income.(Equation4)
1.Yi = Ci + S = Ye= Ce+ I.

2.Yi = C↓+S↑

3.Ye = Ce↓+I↑

4.If S = I then Yi = Ye.

Thus, we can see that monetary-equilibrium shares a lot with the classical model.

Say's Law and Monetary equilibrium

Say's Law
Say's law
Say's law, or the law of market, is an economic principle of classical economics named after the French businessman and economist Jean-Baptiste Say , who stated that "products are paid for with products" and "a glut can take place only when there are too many means of production applied to one kind...

 finds its most accurate expression in monetary equilibrium.In monetary-equilibrium,production is truly the source of demand but if there is an excess demand for money this does not happen as some potential productivity has not been translated into effective demand.If there is an excess supply of money then demand comes not only from previous production but also from the possession of the excess supply.

Problems with monetary-disequilibrium theory

1.According to Yeager, monetary-disequilibrium is a part of the monetarist tradition which states that "money matters the most" which cannot be true as in terms of economic analysis actors matters most.

2.The static definition of equilibrium at the heart of monetary-disequilibrium theory is flawed as he uses a very neoclassical
Neoclassical
Neoclassical may refer to:General:* Neoclassicism, any of a number of movements in the fine arts, literature, theatre, music, and architecture beginning in the 17th Century...

 definition on the macro-economic level i.e. he basically talks about constant price level.

3.Yeager does not take into consideration that business cycles start not just with monetary-disequilibrium but happens when that disequilibrium
Disequilibrium
Disequilibrium is a term used to describe the lack of or opposite of an equilibrium.* in medicine:** Disequilibrium in cerebral palsy - a syndrome described by Hagberg & all** lack of equilibrioception...

 enters the market for lonable funds and produces disequilibrium there, such that the supply of lonable funds exceeds real savings.

4.As the name suggests the monetary-disequilibrium theory is a strictly monetary explanation of a set of economic phenomenon.It does not take into account the real economic factors like real savings or market processes that influence business cycles.

Further reading

Description/[Table of contents|TOC] links and preview. Description and Preview. Description.
  • Herschel I. Grossman, 1987.“monetary disequilibrium and market clearing” in The New Palgrave: A Dictionary of Economics, v. 3, pp. 504-06.
  • The New Palgrave Dictionary of Economics
    The New Palgrave Dictionary of Economics
    The New Palgrave Dictionary of Economics , 2nd Edition, is an eight-volume reference work, edited by Steven N. Durlauf and Lawrence E. Blume. It contains 5.8 million words and spans 7,680 pages with 1,872 articles. Included are 1057 new articles and, from earlier, 80 essays that are designated as...

    , 2008, 2nd Edition. Abstracts:
"monetary overhang" by Holger C. Wolf.
"non-clearing markets in general equilibrium" by Jean-Pascal Bénassy.
"fixprice models" by Joaquim Silvestre. "inflation dynamics" by Timothy Cogley.
"temporary equilibrium" by J.-M. Grandmont. As 2007 working paper.
  • Clark Warburton
    Clark Warburton
    Clark Warburton was an American economist. He was described as the "first monetarist of the post-World War II period," the most uncompromising upholder of a strictly monetary theory of business fluctuations, and reviver of classic monetary-disequilibrium theory and the quantity theory of...

    , 1966. Depression, Inflation, and Monetary Policy; Selected Papers, 1945-1953 Johns Hopkins Press. Evaluation in Anna J. Schwartz, Money in Historical Perspective, 1987.
  • Knut Wicksell
    Knut Wicksell
    Johan Gustaf Knut Wicksell was a leading Swedish economist of the Stockholm school. His economic contributions would influence both the Keynesian and Austrian schools of economic thought....

    , 1898. Interest and Prices, tr. R.F. Kahn
    Richard Kahn, Baron Kahn
    Richard Ferdinand Kahn, Baron Kahn, CBE, FBA was a British economist.Kahn was born in Hampstead to Augustus Kahn, a German schoolmaster and an orthodox Jew, and Regina Schoyer. He raised in England and was educated on St Paul's School, London...

    . Macmillan, 1936 . Chapter links, pp. v-vi.
  • Leland B. Yeager
    Leland B. Yeager
    Leland B. Yeager is an American economist and an expert on monetary policy and international trade. He graduated from Oberlin College in 1948 with an A.B. and was granted an M.A. from Columbia University in 1949 and a Ph.D. from there in 1952. He had previously served in the United States Army in...

    , 1997. The Fluttering Veil: Essays on Monetary Disequilibrium. Description, table of contents (scroll down), and review in Cato Journal, 1998, (scroll down to) pp. 156-61.

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