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Product: The Product Life Cycle

Exam code: 7115
Written by: Ashika|Reviewed by: Caroline Carroll|Updated 2 July 2026

The Product Life Cycle

The product life cycle

  • The product life cycle describes the different stages a product goes through from its conception to its eventual decline in sales

  • There are typically five stages in the product life cycle: development, introduction, growth, maturity, and decline

The product life cycle diagram

Product life cycle graph with five stages: development, introduction, growth, maturity, and decline plotted against time and sales volume.
The five stages a product goes through over its life span - from initial development to eventual decline 

  • The implications for cash flow and marketing vary at each stage of the product life cycle

  • Companies should tailor their marketing strategies and manage their cash flow to ensure long-term profitability and success

The impact of the product life cycle on cash flow and marketing strategy

Stage

Explanation

Implication

Development

  • The focus is on designing and developing the product

  • The business usually incurs high costs for research and development, market research, and product testing

  • Cash flow is usually negative during this stage, as the company is investing heavily in the product without generating any revenue

  • The marketing strategy during this stage is focused on creating awareness and generating interest in the product

Introduction

  • The stage begins when the product is launched

  • Characterised by slow sales growth as the product is still new and unknown to most consumers 

  • Cash flow is usually negative as the business usually incurs high costs for promotion, advertising and distribution

  • Marketing efforts are focused on creating awareness and generating interest in the product

Growth

  • The product enters this stage when sales begin to increase rapidly

  • The business focus shifts to building market share and increasing production to meet this growing demand 

  • Cash flow usually turns positive during this stage as sales revenue increases and costs are spread out over a larger volume of production

  • The marketing strategy is to differentiate the product from its competitors and build brand loyalty

Maturity

  • Characterised by high sales but slowing sales growth 

  • Market saturation is likely 

  • Cash flow is usually positive during this stage as sales revenue continues to come in and costs are reduced through economies of scale and efficient production processes

  • The marketing strategy aims to maintain market share and increase profitability by cutting costs and finding new markets

Decline

  • Starts when sales begin to decline as the product becomes obsolete or is replaced by newer products

  • The business focus shifts to managing the product's decline and reducing costs

  • Cash flow usually turns negative as sales revenue declines and costs associated with the product's decline increase

  • The marketing strategy may involve discontinuing the product, reducing prices to clear stock, or finding new uses for the product

Extension Strategies

Extension strategies

  • Extension strategies refer to the techniques used by businesses to extend the life of a product beyond its natural life cycle

  • These strategies are designed to boost sales and maintain profitability for a product that has reached the late maturity or decline stage of its life cycle

  • There are two types of extension strategies which are often implemented at the same time

    • Product-related extension strategies

Product-related extension strategies

  • These are strategies that changing or modify the product to make it more appealing to customers 

  • This could involve improving or adding features, increasing capacity or redesigning its appearance

    • Product improvements e.g. Samsung releases new versions of its Galaxy Smartphone every year with upgraded features and improvements to the previous model

    • Line extensions, e.g. Coca-Cola introduced Diet Coke and Coke Zero as line extensions of its original Coca-Col

    • Repositioning e.g. when IBM's personal computer division started losing market share to other brands, it repositioned its products as high-end business machines and focused on the enterprise market

Promotion-related extension strategies

  • These strategies aim to change the promotional activity related to the product 

  • This could involve:

    • Changes to advertising e.g Kellogg's continues to recreate adverts for its Corn Flakes cereal, which has been around since 1906

    • Price promotions, e.g. Cyber Monday occurs on the first Monday after Thanksgiving in the USA and electronic firms discount prices significantly in order to boost sales of their products

    • Sales promotions, e.g. many coffee shops offer a loyalty programme where customers can earn a free drink for every six consumed

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