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What is Money supply?

Money supply: The total amount of money in an economy.

Where Money supply fits

Money supply is part of Money & Prices in Economics. Money and prices move together: inflation lowers purchasing power, interest rates set borrowing costs, and elasticity shows how demand reacts to price changes.

Practical tip

Think in real values after inflation, not just nominal ones.

Related terms

Inflation
A general rise in prices that reduces what money can buy.
Price elasticity
How strongly demand reacts to a price change.
Deflation
A general fall in prices that raises money's buying power.
Monetary policy
Central bank actions on interest rates and money supply to steer the economy.
Central bank
The institution managing a country's money and interest rates.
Real interest rate
The interest rate adjusted for inflation.

Formulas you will use with it

Compound growthRule of 72 (years to double)Price elasticityInflation rate

Test yourself

Which term means: “The total amount of money in an economy.”?

Price elasticity · Real interest rate · Money supply

Answer: Money supply

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