What Is It?
Quantitative easing (QE) is a tool central banks use when cutting interest rates is not enough to stimulate the economy. In QE, the central bank buys large amounts of financial assets, usually government bonds.
These purchases push bond prices up and yields down, lowering long-term borrowing costs and adding liquidity to the financial system. In practice, the central bank creates new money — called central bank reserves — to pay for the bonds. All this happens electronically.
When the central bank reduces those purchases, it’s called tapering. And when it allows those bonds to mature or sells them without reinvesting the money, it’s known as quantitative tightening (QT).
