What is deflation?
Deflation is a sustained fall in the general level of prices for goods and services across an economy.
As prices drop, each unit of currency buys more than before, which sounds positive but can signal deeper economic problems.
In simple terms, deflation is when prices fall over time and money gains purchasing power.
What causes deflation
Deflation usually results from falling demand, where consumers and businesses spend less, or from a sharp rise in supply and productivity. It can also follow a contraction in the money supply or credit. When people expect prices to keep falling, they may delay purchases, which reduces demand further and can create a downward spiral that is difficult for policymakers to break.
Why deflation can be harmful
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Consumers delay spending, slowing the economy
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Company revenues fall, which can lead to job cuts
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The real burden of existing debt rises
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Central banks have limited room to cut rates further
Inflation compared with deflation
| Feature |
Inflation |
Deflation |
| Prices |
Rising |
Falling |
| Money’s value |
Falls over time |
Rises over time |
| Typical concern |
Overheating economy |
Weak demand |
Effects on markets
Deflation influences currencies, bonds and share prices. Falling prices and weak growth can weigh on company earnings and equities, while government bonds may attract buyers seeking safety. Central banks often respond with lower interest rates or other measures, which can affect currency values. For traders, periods of deflation risk tend to bring heightened uncertainty across markets.
How central banks respond to deflation
When deflation threatens, central banks often try to encourage spending and borrowing, typically by cutting interest rates or using other policy tools to add money to the economy. The aim is to lift demand back toward a low, stable rate of inflation. For traders, these responses matter, because shifts in interest-rate expectations can move currencies and bond prices, making deflation and the reaction to it worth watching on the economic calendar. Falling prices can also raise the real burden of existing debt, since loans are repaid with money that is worth more over time, which can weigh further on households and businesses. Japan’s long spell of low growth and near-flat prices is often cited as an example of how hard deflation can be to escape once expectations take hold. For these reasons, most policymakers treat sustained deflation as a more difficult problem than mild inflation. Traders therefore watch surveys of expectations as well as the headline inflation figures, since shifting expectations can influence markets before prices themselves move much.
Deflation in action
Imagine prices of everyday goods slipping year after year. Shoppers start delaying purchases, expecting to pay less later. That drop in demand can weigh on company revenues and jobs, which is one reason central banks generally prefer low, steady inflation to falling prices.
How deflation filters through to markets
Deflation is more than falling prices; it can reflect an economy under strain and shape how central banks act. Understanding it helps traders interpret economic data and central bank decisions, and to approach the volatility that such conditions can create with appropriate caution.
Risk Warning: Trading CFDs involves significant risk and may not be suitable for all investors. Losses can exceed your initial deposit. Please ensure you fully understand the risks involved before trading.
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