Central Bank Policy
- The IB Brief
- Jun 14
- 1 min read
Central banks (CB) control money supply and interest rates. In extreme conditions they use the following tools to keep economies on track.
Quantitative Easing (QE)
QE = central banks injecting money into the economy by buying government bonds.
CB buys bonds which increases bond demand
Bond prices increase causing yields to decrease
Banks sell these bonds receiving cash so they can now lend more freely
Lower yields = lower interest rates
Borrowing is now cheaper promoting economic activity
QE is typically used when interest rates can’t be cut any further.
Risks:
Inflation: More cash chasing the same goods = rising prices
Inequality: Asset owners (stocks, real estate) benefit much more creating further wealth disparity
Asset bubbles: Investors chase risky assets e.g. crypto, as bonds pay less. If rates rise these assets can plummet fast!
Quantitative Tightening (QT)
QT = reversing QE. Central banks either sell bonds or let existing ones mature.
1. Active QT (Selling bonds)
CB sells bonds increasing bond supply in the market
Bond prices fall causing yields to rise
Higher yields cause higher interest rates meaning borrowing is more expensive
2. Passive QT (Maturing bonds)
CBs let bonds expire, governments then repay face value
CB essentially sits on that cash (doesn’t reinvest)
Liquidity drains from the market
QT is used when inflation is running hot, or economies are overheating.
Forward Guidance
This is where central banks signal their future intentions
Why it matters:
Reduces market uncertainty
Helps businesses/consumers plan around expected conditions
I hope this article on government policy was helpful. For the rest of my articles please click here.
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