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Economy & You

The Business Cycle Explained

The recurring pattern of expansion and contraction every economy moves through, and why recessions aren't random.

The business cycle is the recurring pattern of expansion and contraction that economies move through over time - growth, followed eventually by slowdown, followed eventually by renewed growth. It isn’t perfectly regular or predictable in timing, but the broad pattern repeats across history in every modern economy.

The four phases

An expansion is a period of growing output, rising employment and generally improving conditions. It eventually reaches a peak, the high point before growth starts to reverse. A contraction - what’s commonly called a recession when it’s significant enough - follows, with shrinking output and rising unemployment. That bottoms out at a trough, the low point before a new expansion begins.

Recognizing where the economy is in the cycle

Rising job postings, increasing consumer spending and climbing stock prices generally point to an expansion. A slowdown in hiring, falling retail sales and declining business investment often signal an approaching peak or the start of a contraction. No single indicator tells the whole story, which is why economists watch many of them together.

Why the cycle happens at all

Expansions can sow the seeds of their own slowdown: rising demand pushes up prices, prompting central banks to raise interest rates to control inflation, which then cools borrowing and spending enough to slow growth. Contractions, in turn, often set up the next expansion: lower prices, lower interest rates and pent-up demand eventually draw spending and investment back in.

Trying to precisely time the cycle

Economists, professional forecasters and financial media regularly attempt to call the exact top or bottom of the business cycle - and are wrong about the timing extremely often, even when the underlying direction is correct. Building a financial plan around long-term saving and investing habits tends to hold up far better than trying to perfectly time entry and exit points around the cycle.

Key takeaways
  • The business cycle moves through expansion, peak, contraction and trough, repeating over time.
  • No single indicator identifies the current phase; economists track many together.
  • Rising interest rates to fight inflation during an expansion can help trigger the next contraction.
  • Precisely timing the cycle is extremely difficult, even for professional forecasters.
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