Economics
Yield Curve
Quick fact
Every U.S. recession since the 1950s has been preceded by an inverted yield curve, though the timing of the inversion to the recession varies from months to years.
Why this is interesting
You’ve likely heard that an inverted yield curve predicts recessions. But what exactly is the yield curve, and why does its shape carry so much weight for the economy?
Read the full explanation
Understanding Yield Curve
Imagine lending money to a friend: you’d charge a higher interest rate for a 10-year loan than for a 1-year loan, because you’re taking on more risk and uncertainty. The yield curve shows this relationship for government bonds (like U.S. Treasuries) by plotting their yields—or annual return—against how long until they mature (short-term to long-term). Normally, the curve slopes upward: longer-term bonds pay higher yields to compensate for risks like inflation and the chance of interest rate changes. Sometimes the curve flattens or even turns upside down (short-term yields higher than long-term). This inversion signals that investors expect future interest rates to fall, often due to an anticipated economic slowdown or recession.
A deeper explanation
The yield curve’s shape arises from three main theories. The expectations theory says long-term yields reflect the average of expected future short-term rates. The liquidity preference theory adds a term premium: investors need extra compensation for holding longer-term bonds due to higher risk. The market segmentation theory argues that different investors (e.g., pension funds vs. banks) prefer specific maturities, influencing demand at each point. In practice, the curve combines all these forces. It matters because it reveals collective market predictions about growth and inflation. Central banks watch it to gauge policy effects; investors use it to decide bond durations and hedge risk. An inversion is a powerful—though not perfect—signal that the economy may be heading into a recession, as it shows investors expect future rate cuts and lower returns.