CFA Level I Exam · Industry and Competitive Analysis

Industry Life Cycle Stages for CFA Level I

Updated 7 October 2026 · Fact-checked

The industry life cycle describes five phases: embryonic, growth, shake-out, mature and decline. Each phase has typical patterns in demand growth, pricing, competition and profit. To answer exam questions, read the clues in the stem (growth rate, number of rivals, margins, pricing) and match them to the stage that fits best.

Understand Industry Life Cycle Analysis

Industries, like products, change over time. The industry life cycle is a model that splits that change into five phases. It helps an analyst judge how fast sales can grow, how intense competition is, and how profitable firms are likely to be.

The five phases are embryonic, growth, shake-out, mature and decline. In the embryonic phase, the product is new, prices are high, volumes are small and costs are high. Few firms compete. Losses are common and the risk of failure is high.

In the growth phase, new customers adopt the product quickly and sales rise fast. New entrants arrive. Costs fall as firms gain scale. Profits improve, but competition starts to build. In the shake-out phase, growth slows and there are too many firms. Price competition is strong, margins fall, and weaker firms exit or are acquired. Survival depends on cost control.

In the mature phase, growth is slow and roughly tracks the wider economy. A few large firms remain, entry barriers are high, and pricing is more stable. Firms compete on cost and brand and often return cash to owners. In the decline phase, demand falls because of substitutes, changing tastes or new technology. Firms cut capacity, merge or exit, and price wars can return as firms fight over a shrinking market.

The model is a guide, not a law. Industries can skip stages, be renewed by new technology, or stay mature a long time. Stage also does not guarantee an investment outcome. A growth industry can still have poor returns if competition destroys profits.

Key formulas to remember

Embryonic stage traits: Slow growth + high prices + high costs + few rivals + losses + high failure risk; The product is new and unproven. Customers are few and firms spend heavily to build awareness.
Growth stage traits: Rapid growth + rising profits + falling costs + new entrants; Scale economies and rising demand improve margins. Competition increases.
Shake-out stage traits: Slowing growth + excess capacity + price competition + falling margins + exits; Cost structure decides who survives. Weak firms fail or are acquired.
Mature stage traits: Slow growth near the economy + stable pricing + few large firms + high barriers; Firms focus on efficiency and market share. Growth often comes from acquisitions.
Decline stage traits: Falling demand + excess capacity + price pressure + exits and consolidation; Causes include substitutes, changing tastes and technology. Some firms harvest cash.

How to solve Industry Life Cycle Analysis questions

Use this method for any question that asks you to identify or describe an industry stage.

1Read the stem and underline the clues: sales growth, number of competitors, pricing, margins, profits and capacity.
2Decide the direction of sales growth first: very slow, rapid, slowing, flat or falling.
3Check the competitive picture: few rivals suggests embryonic or mature; many new entrants suggests growth; exits suggests shake-out or decline.
4Check profit and pricing clues: losses and high prices point to embryonic; falling margins and price wars point to shake-out.
5Match the clues to the stage and eliminate the two options that contradict at least one clear clue.
6If the stem asks for a consequence, such as strategy or risk, link it to the stage traits and choose the option that fits that stage.
7Check that the chosen option does not claim a stage guarantees returns or a fixed outcome.

Quickest way: Growth rate plus competitor count

When to use it: Use it when you have about 90 seconds and the stem gives only a few clues.

Ask: is growth rapid, slowing, slow and steady, or negative?
Ask: are competitors entering, leaving or stable?
Rapid growth with entrants means growth; slowing growth with exits means shake-out.
Slow, steady growth with stable large firms means mature; falling sales means decline.
Tiny sales, losses and a new product mean embryonic.

Common mistakes in Industry Life Cycle Analysis

Treating shake-out and decline as the same stage.
Both involve exits and falling margins.
Fix: Shake-out follows rapid growth when growth slows and capacity is excessive. Decline is when demand itself is falling.
Assuming growth-stage industries always have the highest profits.
Fast sales growth looks like high profit.
Fix: Competition is rising in growth, and profits often peak later or are squeezed. Match the question's profit clues, not assumptions.
Calling a market with few firms mature when it is embryonic.
Both stages have few competitors.
Fix: Check growth, profit and pricing. Embryonic has small sales, high prices and losses. Mature has stable pricing and slow steady growth.
Thinking every industry passes through all stages in order.
The model is shown as a neat curve.
Fix: Industries can skip stages or be renewed by innovation. Treat the model as a framework.
Saying mature industries have no growth.
Mature sounds like finished.
Fix: Mature growth is slow and roughly follows the economy. Negative growth signals decline.

Worked examples

Example 1

A new battery technology sells to a handful of early customers. Prices are high, the three producers report losses, and unit costs are far above the long-run level. In which life cycle stage is the industry?
A. Growth
B. Embryonic
C. Shake-out

Show the solution

Sales are tiny and customers are early adopters, which points away from rapid growth.
Prices are high and costs are far above long-run levels, typical of a new product with no scale.
Producers are few and losing money, which fits the embryonic stage.
Growth would show rapidly rising sales and entrants. Shake-out would show excess capacity and price competition. Neither is described.

Answer: B. Embryonic

Example 2

A global software tools industry has seen sales growth slow sharply. Capacity exceeds demand, price cuts are common, margins are falling, and several weaker firms have been acquired or have closed. The industry is most likely in which stage?
A. Shake-out
B. Mature
C. Embryonic

Show the solution

Growth has slowed sharply, not fallen to a steady low rate. This suggests a transition after fast growth.
Excess capacity and price cuts show intense competition.
Falling margins and exits of weaker firms are the classic signs of shake-out.
Mature would show stable pricing and a few established large firms. Embryonic would show a new product and losses with few rivals.

Answer: A. Shake-out

Exam tips

Questions are usually clue-matching. Find the growth, pricing and competitor clues before looking at the options.
Eliminate options that contradict any one clear clue, such as falling prices in an embryonic industry.
Watch the shake-out versus decline pair. Look at whether demand is falling or just growth is slowing.
Be careful with absolute words like always or guarantees. The model is a guide, not a rule.
Link stage to strategy when asked: embryonic needs funding and survival, shake-out needs cost control, decline needs harvesting or exit.

Practice questions from Industry and Competitive Analysis

Industry Life Cycle Analysis in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Industry Life Cycle Analysis: frequently asked questions

What are the five stages of the industry life cycle?

They are embryonic, growth, shake-out, mature and decline. Each has typical patterns in demand growth, pricing, competition and profit. You need to recognise these patterns from short descriptions.

How do I identify an industry's life cycle stage in a question?

Look at sales growth first, then the number and direction of competitors, then pricing and margins. Match the clue set to the stage. Eliminate any option that conflicts with a clear clue.

What is the difference between shake-out and mature?

Shake-out has slowing growth, excess capacity, price competition and firms exiting. Mature has slow, steady growth, a stable group of large firms and more stable pricing. Mature comes after the weak firms have gone.

Does the life cycle stage tell me which stocks to buy?

No. It describes typical industry conditions, not guaranteed returns. A fast-growing industry can still give poor returns if competition erodes profits.