What it means
Inflation is not only about money and supply. It is also about what people believe will happen next.
If households and businesses expect prices to rise 6% next year, they act on that expectation, and the expectation can become true. Workers who expect higher prices ask for bigger pay rises to protect their living standards.
Firms facing higher wage bills raise their prices to protect their profit, which feeds the next round of wage demands. This loop is sometimes called a wage-price spiral.
Consumers also change their habits. If they expect a car or appliance to cost more next year, they buy now, which lifts demand and prices today.
Businesses may stockpile materials for the same reason, which raises demand for raw materials and makes the expected increase more likely. Central banks pay close attention to this.
They watch surveys of expected inflation and the prices of inflation-linked bonds, because stable expectations make it easier to keep inflation under control. When expectations become unanchored, the central bank may need to raise interest rates sharply to convince people that it will bring inflation down.
For a business, the practical impact is on contracts and planning. Supplier prices may rise faster than official figures suggest, and wage negotiations may become tougher.
Finance teams should build price escalation clauses and flexible budgets into their planning when expectations are rising, while taking care not to fuel the pattern with excessive price rises of their own. The same psychology can run in reverse.
When people expect prices to fall, they delay purchases, demand weakens and the pattern can feed deflation, which is why central banks aim for stable expectations rather than extreme ones.
In practice
Real-world examples.
Example
A union negotiates a new pay deal for factory workers. Members expect inflation of 5%, so they ask for a 6% rise. The company accepts and passes some of the cost on to customers, which adds to price pressure. Workers in other industries then press for similar deals.
Example
A homeowner sees headlines that building costs are rising fast. She decides to renovate her kitchen now instead of next year to avoid higher prices. Many others do the same, and contractors raise their rates. Her fear of rising prices has helped to bring them about.
Example
A clothing retailer expects its suppliers to raise prices by 8% after hearing rumours at a trade fair. It orders six months of stock early, financing it with a short-term loan of $400,000. The extra orders add to the pressure on suppliers. The retailer repays the loan from sales over the next quarter.
Formula
Calculation
Nominal interest rate = Real interest rate + Expected inflation rate
Suppose lenders want a real return of 2% and expect inflation of 4% next year. The nominal rate they will ask for is 2% + 4% = 6%.
If expectations then climb to 7%, lenders will want 2% + 7% = 9%. On a $100,000 loan, the annual interest rises from $6,000 to $9,000, an increase of $3,000, even though nothing about the borrower has changed. This shows how expectations alone can raise borrowing costs.Case study
Seen in the real world.
Ridgeway Furniture is a fictional manufacturer that sells to households and small offices. When news reports predicted rising prices, its order book jumped by 25% as customers brought purchases forward.
The finance director understood that part of the surge was temporary demand driven by expectations. She raised the budget for materials by 10% but avoided hiring permanent staff, arranging overtime and temporary workers instead. She reasoned that the extra orders were a loan from the future rather than lasting demand.
In this illustrative case, orders returned to normal six months later when inflation news calmed. The company avoided the cost of laying off permanent staff, and its profit margin held steady because it did not overreact to the short burst of demand.
Watch out
Common mistakes.
- Assuming inflation is driven only by costs and money supply, when expectations also play a major part.
- Treating a surge in demand caused by fear of price rises as permanent growth and expanding capacity that will later stand idle.
- Using last year's inflation to plan wages and prices, when expectations about the future matter more.
Questions
People also ask.
What is a wage-price spiral?
It is a loop in which higher wages lead to higher prices, which lead to further wage demands, and it is hard to break once everyone expects it to continue.
Why do central banks care about expectations?
Because if people expect high inflation, their actions can make it happen, so stable expectations help keep prices steady and make interest rate changes more effective.
How can a business protect itself?
It can use escalation clauses, flexible budgets and regular price reviews rather than fixed long-term commitments, and it should watch its own costs closely.
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