Business and Economic Cycles: Phases and Market Behaviour

Business and Economic Cycles

Economies move through expansions and contractions. Learn the phases of the business cycle, what drives them, how sectors and assets tend to behave and the limits.

Intermediate3 min readUpdated 3 Oct 2026

Lesson 8 of 17

Economies do not grow in a straight line. They move through periods of expansion, when output, jobs and profits rise, and contraction, when they fall. This pattern is called the business cycle. Cycles vary greatly in length and severity, and no two are identical, but understanding the typical phases helps traders think about which assets and sectors might do well, how central banks might act and what risks are building.

The phases#

Phase	Economy	Policy	Markets (typical tendencies)
Early cycle (recovery)	Growth rebounds from recession; unemployment high but falling	Low rates, supportive	Stocks rally strongly; cyclicals and small caps lead
Mid cycle (expansion)	Steady growth; profits rising	Rates begin to normalise	Stocks rise more slowly; broad participation
Late cycle	Growth slows; labour market tight; inflation pressures	Rates high; tightening	Defensive sectors and commodities often outperform; yield curve flattens or inverts
Recession (contraction)	Output and jobs fall	Rate cuts, stimulus	Stocks fall then bottom before the economy does; bonds rally

These are tendencies, not rules. See Recession Indicators and Yield Curves.

How long are cycles?#

According to the NBER, US expansions since 1945 have averaged roughly five years, and recessions about ten months. The longest US expansion lasted about 128 months, from June 2009 to February 2020. The COVID recession of 2020 lasted only two months, the shortest on record.

What drives the cycle#

Driver	Effect
Interest rates and credit	Cheap credit fuels expansions; tightening slows them. See Interest Rates
Inventories	Firms over or under stock, amplifying swings
Investment	Business investment booms and busts
Confidence	Optimism and pessimism feed on themselves
Shocks	Oil crises, pandemics, financial crises
Fiscal policy	Government spending and taxes. See Monetary vs Fiscal Policy

Sectors through the cycle#

Markets lead the economy#

Stock markets usually look ahead. The S&P 500 has typically bottomed several months before the end of a recession and peaked before the start of one. Bond yields and credit spreads also move ahead of economic data. Waiting for official confirmation of a recovery or recession often means acting late. See Credit Spreads.

Indicators traders watch#

Indicator	Signal	Lesson
PMIs	Direction of manufacturing and services	PMI
Yield curve	Inversion has preceded recessions	Yield Curves
Jobless claims	Rising layoffs	Employment Data and Non-Farm Payrolls
Credit spreads	Widening signals stress	Credit Spreads
Leading Economic Index	Conference Board composite	Recession Indicators
Copper and cyclicals	Market based growth signals	Copper

Limits of cycle thinking#

Every cycle is different: causes, length and sector leadership vary.
Timing is hard: phases are often clear only in hindsight. See Hindsight and Outcome Bias.
Structural changes can override cyclical patterns.
Policy responses can shorten or extend cycles.

Frequently asked questions#

What is the business cycle?#

The recurring pattern of economic expansion and contraction, measured by output, employment, income and spending.

What are the phases of the business cycle?#

Early cycle recovery, mid cycle expansion, late cycle slowdown and recession.

Do stocks follow the business cycle?#

Stocks tend to anticipate it, often bottoming before recessions end and peaking before they begin, though the relationship varies.

Next, learn the signals that have warned of recessions in Recession Indicators.

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Next lessonRecession IndicatorsRecession indicators like the yield curve, the Sahm rule and leading indices have warned of past downturns. Learn how each works, its record and its limits.