What quantitative easing does — central bank buys assets to inject money into the economy

What raising interest rates does — makes borrowing more expensive, slows spending and inflation

Raising interest rates makes borrowing more expensive, slows spending, and reduces inflation

How does the concept of the Money Multiplier effect work in fractional reserve banking systems to amplify the money supply?

Money Multiplier = 1 / Reserve Ratio; banks lend fraction of deposits, increasing money supply

What fractional reserve banking means — banks lend out most of their deposits

Fractional reserve banking allows banks to lend out a majority of their deposits while maintaining a reserve ratio

What Keynes argued about government spending during recessions

Keynes argued for increased government spending to stimulate demand during recessions

What a stablecoin is — cryptocurrency pegged to a fiat currency, usually the US dollar

A cryptocurrency with a fixed value to a fiat currency, typically USD

What the Keynesian multiplier effect does — $1 of government spending generates more than $1 of GDP

The Keynesian multiplier effect amplifies $1 of government spending to generate greater than $1 increase in GDP