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What is Monetary policy and how does it works

February 27, 2026 by CA Bigyan Kumar Mishra

A country’s economic objective is met by two types of policy:

  • fiscal policy, and
  • monetary policy.

Monetary policy is enacted by the country’s central bank. Fiscal policy is used by the government.

A country’s monetary policy deals with money, currency and interest rates. In India, monetary policy is set by the Reserve Bank Of India (RBI), being the central bank of India. 

In the United States, the Federal Reserve Bank implements monetary policy for the country.

Here is the list of major central banks of various countries of the world;

CountryCentral Bank
IndiaReserve Bank of India
USAFederal Reserve
Cyprus, Austria, Greece, Spain, Slovenia, Netherlands, Italy, Ireland, Germany, France, and FinlandEuropean Central Bank
AustraliaReserve Bank of Australia
UKBank of England
ChinaPeople’s Bank of China
RussiaBank of Russia

At the end of the article, you will find the complete list of the central banks of various countries of the world.

In this article you will learn what monetary policy is and how it’s used by the central banks to manage money supply in the country.

What is monetary policy?

Monetary policy is a set of actions used to control the amount of money available throughout the economy of a country in order to achieve a desired economic growth. 

Monetary policy is used as a tool by the country’s central bank to control the money supply such as revising interest rates and changing bank reserve requirements.

Changes to monetary policy depend on various economic statistics such as a gross domestic product (GDP), rate of inflation, and growth rates of the economy.

Like fiscal policy of a country, monetary policy is also classified as either expansionary or contractionary depending on how it impacts the overall economy. It is used as a tool to increase or decrease liquidity to create economic growth.

Here are the three objective of a central bank;

  • To manage inflation;
  • To reduce unemployment after controlling inflation; and
  • To promote moderate long term interest rates to manage money supply in a country.

Types of monetary policy

Depending on the present economic conditions of a country and the desired growth rate, the central bank makes changes to the monetary policy. Based on changes, the monetary policy is either contractionary or expansionary.

If prices of the goods and services in an economy rise by reducing the purchasing power of money and increasing inflation, then in order to control the money supply, the central bank of the country may prefer to increase the interest rates to slow down the growth and decrease inflation. This type of monetary policy is referred to as contractionary.

Increase in interest rates will ultimately increase lending rates of a bank. This will make loans expensive. It will reduce the money supply by restricting the volume of money banks can lend. Due to fewer business activities and lower borrowal, growth of the economy will slow down.

Contractionary monetary policy is used by the central bank to control high inflation and to reduce money circulation in the economy.

During an economic slowdown, or a recession, the central bank lowers interest rates in order to make saving less attractive and to increase consumer spending and borrowing to boost the economy. This type of monetary policy is referred to as expansionary. It reduces unemployment and stimulates economic activities due to higher money supply and attractive interest rates.

In addition to interest rates, the central bank may change the reserve requirements. It’s the fund that banks of the country must retain as a proportion to their deposits to make sure that they meet their liabilities.

Central bank may lower the reserve requirement to release more funds for the banks to offer loans and buy assets. Conversely, increase in reserve ratio curtails bank lending and slows down the growth.

To manage money supply, the central bank can either purchase or sell government securities. If the central bank decides to buy government securities, then banks will get more money to lend, which increases the money supply in the economy.

Monetary policy is used as a tool by the central banks to keep the overall economy stable with low inflation and unemployment. 

Here is a list of central banks of different countries for your reference:

CountryCentral Banks
IndiaReserve Bank of India
AustriaEuropean Central bank
USAFederal Reserve
AustraliaReserve Bank of Australia
UKBank of England
ArgentinaCentral Bank of Argentina
SwitzerlandSwiss National Bank
AfghanistanBank of Afghanistan
South AfricaSouth African Reserve Bank
IranCentralBank of Islamic Rep. of Iran
BangladeshCentral Bank of Bangladesh
IndonesiaBank Indonesia
AzerbaijanCentral Bank of the Rep. of Azerbaijan
IcelandCentral Bank of Iceland
HungaryCentral Bank of Hungary
GuineaCentral Bank of the Rep. of Guinea
GreeceEuropean Central Bank
PakistanState Bank of Pakistan
VietnamState Bank of Vietnam
UzbekistanCentral Bank of the Rep. of Uzbekistan
UAECentral Bank of United Arab Emirates
TurkeyCentral Bank of Republic of Turkey
ThailandBank of Thailand
TajikistanNational Bank of Tajikistan
TaiwanCentral Bank of the Rep. of China
CanadaBank of Canada
SwedenThe Riksbank
Sri LankaCentral Bank of Sri Lanka
ChinaPeople’s Bank of China
ChileCentral Bank of Chile
ChadCommercial Bank Chad
CambodiaNational Bank of Cambodia
BrazilCentral Bank of Brazil
BoliviaCentral Bank of Bolivia
BhutanRoyal Monetary Authority of Bhutan
BermudaBermuda Monetary Authority
SpainEuropean Central Bank
South KoreaBank of Korea
SloveniaEuropean Central Bank
SingaporeMonetary Authority of Singapore
SeychellesCentral Bank of Seychelles
Saudi arabiaSaudi Arabian Monetary Authority
RussiaBank of Russia
QatarQatar Central Bank
PhilippinesBangkoSentral ng Pilipinas
PeruCentral Reserve Bank of Peru
Papua New GuineaBank of Papua New Guinea
New ZealandReserve Bank of NewZealand
NetherlandsEuropean Central Bank
MyanmarCentral Bank of Myanmar
KoreaRepublic Bank of Korea
KenyaCentral Bank of Kenya
KazakhstanNational Bank of Kazakhstan
JordaCentral Bank of Jordan
JapanBank of Japan
ItalyEuropean Central Bank
IrelandEuropean Central Bank
IraqCentral Bank of Iraq
MoroccoBank of Morocco
MongoliaBank of Mongolia
MexicoBank of Mexico
MauritiusCentral Bank of Mauritius
MaliCentral Bank of West African States
MaldivesMaldives Monetary Authority
MalaysiaBank Negara Malaysia
LibyaCentral Bank of Libya
GhanaBank of Ghana
GermanyEuropean central bank
GeorgiaNational Bank of Georgia
FranceEuropean Central Bank
FinlandEuropean Central Bank
FijiReserve Bank of Fiji
EgyptCentral Bank of Egypt
DenmarkNational Bank of Denmark
CyprusEuropean Central Bank

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