Inflation vs Deflation: What's the Difference?

Inflation is a general rise in prices; deflation is a general fall in prices. Central banks usually target mild inflation (about 2%) because deflation can trap an economy in falling spending.

Inflation vs Deflation comparison
InflationDeflation
PricesRisingFalling
Value of cashFallsRises
Effect on borrowersDebt gets easier to repay in real termsDebt gets harder to repay in real terms
Typical causeDemand outpacing supply, cost shocks, money growthWeak demand, credit contraction
Central bank responseRaise interest ratesCut rates, quantitative easing

Bottom line

A little inflation is considered healthy. High inflation erodes savings; persistent deflation discourages spending and investment.

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