https://ijmri.de/index.php/jmsi
volume 4, issue 4, 2025
359
EQUILIBRIUM IN THE MONEY MARKET: A COMPARATIVE ANALYSIS OF
CLASSICAL AND KEYNESIAN THEORIES
Kayumova Azizа Sherzodovna
Second-Year Student, Samarkand Institute of Economics and Service (SIES)
Scientific Supervisor:
Kamilova Nargiza Abdukakhorovna
,
Associate Professor
Samarkand Institute of Economics and Service (SIES)
Republic of Uzbekistan
Abstract:
This article offers a detailed comparative examination of the perspectives held by
classical and Keynesian schools of economic thought regarding the demand and supply of money,
equilibrium within the money market, and the operational dynamics of the banking system through
monetary and banking multipliers. Particular emphasis is placed on exploring the theoretical
underpinnings of the classical approach, including Say’s Law, the notion of money neutrality, and
the role of liquidity, alongside the incorporation of IS-LM models within both frameworks. The
juxtaposition of these theoretical perspectives highlights fundamental disparities in interpreting the
role of money in economic systems and the mechanisms facilitating market equilibrium.
Keywords:
Classical theory, Keynesianism, demand for money, supply of money, banking
multiplier, monetary multiplier, IS-LM model, Say’s Law, money neutrality, liquidity.
The concept of equilibrium in the money market constitutes a cornerstone of macroeconomics,
fundamentally influencing the operation of the entire economic framework. A thorough
understanding of the mechanisms establishing monetary equilibrium empowers governments,
central banks, and the private sector to more effectively manage economic activity.
Within classical economic theory, money was initially regarded as a neutral instrument, exerting
no influence on the real economic sector. This neutrality implied that fluctuations in the money
supply impacted only price levels, leaving output volume and employment unaffected. This
viewpoint was grounded in Say’s Law, articulated in the early 19th century, which posited that the
supply of goods inherently generates demand for them. Under conditions of full employment and
flexible prices, Say’s Law elucidated the market’s natural tendency toward equilibrium, negating
the need for governmental intervention.
In the classical paradigm, the demand for money was interpreted solely as a function of price
levels and transaction volumes. Money was deemed essential by economic agents for facilitating
exchanges, with demand directly proportional to the nominal production volume. Consequently,
classical economists argued that alterations in money supply exerted only temporary effects,
leaving fundamental macroeconomic parameters unaltered [1].
Within the classical model, the interest rate was determined by the equilibrium between savings
and investment. Liquidity levels were considered a minor factor, predicated on the assumption of
full capital mobility and the absence of barriers to utilizing money for investment [2]. The IS-LM
model formalizes this approach, where the classical perspective aligns with a vertical LM curve:
changes in money supply do not affect interest rates or output [3].
Given the assumption of absolute price and wage flexibility, the IS-LM model in its classical
interpretation depicted a horizontal LM curve at any given output level, as adjustments in money
supply were instantaneously offset by corresponding price level changes. Markets for goods and
https://ijmri.de/index.php/jmsi
volume 4, issue 4, 2025
360
finance consistently gravitated toward equilibrium through automatic adjustments, ruling out the
possibility of persistent unemployment.
The classical framework of banking and monetary multipliers rested on the premise of full
convertibility of deposits into loans. Since classical theory assumed economic agents held no
excess cash reserves, the velocity of money remained high, with additional reserves rapidly
channeled into lending. This resulted in an efficient banking multiplier, significantly expanding
initial reserves into larger money aggregates.
In contrast, Keynesian theory, as articulated by John Maynard Keynes, challenged the postulates of
money neutrality and market self-regulation. Keynes contended that, in real-world conditions,
price and wage rigidity, coupled with investment decisions influenced by uncertainty, imparted a
distinct nature to money demand. He identified three motives for holding money: transactional,
precautionary, and speculative. The latter — demand for money as a store of value amid unstable
expectations — proved particularly significant.
In the Keynesian interpretation, liquidity occupied a central role: at elevated levels of liquidity
preference, economic agents preferred retaining money over investing in securities, thereby
diminishing the efficacy of monetary policy. Within the Keynesian IS-LM framework, the LM
curve exhibited a positive slope, with equilibrium between goods and money markets achievable
only through active government intervention.
The IS-LM model in Keynesianism accommodated scenarios of underemployment and price
rigidity. On the graph, the IS curve reflects equilibrium in the goods market, while the LM curve
represents the money market. Keynes emphasized that monetary changes could influence real
variables, rejecting the classical notion of automatic money neutrality. Shifts in money supply
could notably impact investment, production, and employment.
Figure 1. IS-LM Model in Keynesian Theory
The Keynesian approach to banking and monetary multipliers was more circumspect, recognizing
the potential for a “liquidity trap,” wherein an increase in money supply failed to stimulate lending
or expenditure. In such instances, even with high multiplier values, an expansion of the monetary
base did not proportionately increase the money supply. Thus, Keynesians underscored the
necessity of coordinating fiscal and monetary policies.
A comparison of the two approaches to money demand, supply, and equilibrium in the money
market reveals profound differences in understanding economic dynamics. The classical school
relied on self-regulating mechanisms, asserting that money merely facilitated exchange without
affecting the real economy. Any excess money supply, they argued, would translate into price
increases, maintaining output and employment at natural levels.
Conversely, the Keynesian perspective posited that, under conditions of price rigidity and
uncertain expectations, an increase in money supply could influence the real sector, boosting
aggregate demand and production. Money was viewed as an asset competing with bonds, its
functions extending beyond a mere medium of exchange.
The IS-LM model in its classical form featured a vertical IS curve and a horizontal LM curve at
full employment, whereas the Keynesian interpretation allowed for gradual adjustments in both
https://ijmri.de/index.php/jmsi
volume 4, issue 4, 2025
361
markets, with the possibility of failing to reach full employment. Thus, in the classical model,
money was neutral and devoid of real impact, while in the Keynesian model, it served as an active
tool for economic stabilization.
Figure 2. IS-LM Model in Classical Theory
In the context of contemporary economic realities, both frameworks retain relevance. Classical
theory proves valuable for analyzing long-term trends and inflationary processes, while Keynesian
theory excels in explaining short-term fluctuations and the role of active economic policy during
instability. The integration of ideas from both schools today underpins many macroeconomic
models, highlighting the importance of a holistic approach to studying monetary processes.
This comparative analysis demonstrates that the classical model relies on idealized assumptions of
full flexibility and rationality, whereas the Keynesian theory accounts for the real instability of
economic processes, psychological factors in agent behavior, and potential market inefficiencies.
The classical theory applies to long-term periods where the economy can self-regulate, while the
Keynesian approach better explains short-term deviations, crises, and recessionary periods.
The practical application of the classical model was evident in the non-interventionist policies of
the 19th century, when states adhered to laissez-faire principles, attributing inflationary processes
solely to monetary factors [4]. However, the Great Depression of the 1930s exposed the limitations
of the classical model: despite declining prices, unemployment remained elevated, a phenomenon
inexplicable under the neutrality of money [5].
Empirical evidence suggests that Keynesian policies of active government intervention proved
more effective during widespread unemployment and stagnation. The New Deal programs under
Franklin D. Roosevelt in the United States, aimed at stimulating demand and employment through
public expenditure, were rooted in Keynesian principles [6]. Modern examples, such as the
quantitative easing measures implemented by the U.S. Federal Reserve following the 2008 crisis,
also reflect a Keynesian approach to money market regulation [7].
The primary findings of this analysis suggest that neither theory can be deemed universally
applicable. Classical theory remains significant for examining long-term trends, including
inflationary processes and growth factors. Meanwhile, Keynesian theory remains indispensable for
understanding short-term economic dynamics, combating recessions, and addressing
unemployment.
Conclusions indicate that effective management of the money market requires integrating both
classical and Keynesian elements, contingent on the economic cycle’s stage and prevailing
macroeconomic conditions. During economic upswings, reliance on classical self-regulation
principles may be appropriate, whereas crises and instability necessitate the active deployment of
Keynesian policy tools [1].
Further development of models synthesizing the strengths of both theories, such as within the new
Keynesian school — which acknowledges market rigidities while allowing for long-term money
neutrality — is recommended. Additionally, a promising research direction involves deepening the
analysis of psychological factors in agent behavior and integrating rational expectations models
into Keynesian frameworks.
https://ijmri.de/index.php/jmsi
volume 4, issue 4, 2025
362
In conclusion, the comparison of classical and Keynesian theories of money market equilibrium
underscores the necessity of a comprehensive approach to macroeconomic regulation. The article’s
key arguments highlight the classical model’s limitations in the short term and the critical role of
Keynesian ideas during instability. Future research prospects lie in developing integrated models
capable of capturing the complex interrelationships among money, interest rates, employment, and
economic growth in an evolving global economy.
References:
1.
Kamillova, N. A. Macroeconomics: A Study Guide. – Samarkand: “Star-Sel,” 2022. – 262
p.
2.
Blavatskaya, O. A. Macroeconomics: Classical and Keynesian Models. – Moscow: Infra-M,
2022.
3.
Keynes, J. M. The General Theory of Employment, Interest, and Money. – Moscow:
HELIOS ARV, 2021.
4.
Fisher, I. The Purchasing Power of Money. – Moscow: Eksmo, 2020.
5.
Soros, G. The Alchemy of Finance. – Moscow: Alpina Publisher, 2022.
6.
Mankiw, N. G. Principles of Macroeconomics. – St. Petersburg: Piter, 2023.
7.
Samuelson, P., Nordhaus, W. Economics. – McGraw-Hill Education, 2022.
