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Product Life Cycle

The product life cycle is a way to map the common stages a product undergoes throughout its lifespan. The product life cycle is typically divided into 5 different stages, each having specific strategic decisions affecting profits and revenues.

Four Stages of the Product-Life-Cycle

Phases of the Product-Life-Cycle

(1) Development: In the development phase, the product has just been finished and the most important facts and figures have been determined. As no profits are made here, this phase is not shown in the curve diagram.

(2) Introduction: In the first phase, the product is introduced. Normally, at this stage, there are a few competitors and customers. Therefore, sales and profit are low and the risk that the product will not succeed is high. In order to boost sales, the focus lies heavily on promotion activities.

(3) Growth: Products that succeed in addressing customer’s needs will lead to an increase in sales. Advertisement is still a key component to promote further growth.

(4) Maturity: At this stage, the product can be seen as well established and widely accepted within the targeted customer group. Profits are high and risks are low. Typically, in this phase, competition increases. To keep the market position and expand this phase, companies often employ strategies such as the introduction of complementary or updated products or simply invest in marketing activities.

(5) Decline: At this point, the product may not fulfill the current needs of the customers, and sales start to decline. The important decision at this stage is deciding when to take the product off market, such that the client optimizes financial gains and minimizes losses due to time and investment.

 

Meaning of the Product-Life-Cycle in Case Interviews

The product life cycle is a key concept in case interviews, especially when dealing with market entry, competitive strategy, or growth opportunities. Candidates should be familiar with the different stages and be able to derive strategic decisions accordingly.

A common case question might be: "A company is planning to launch a new product. What factors should be analyzed to maximize success in the introduction phase?" A structured approach should consider aspects such as market demand, competitive landscape, pricing strategy, and marketing efforts. Similarly, cases related to the maturity or decline phase could focus on whether a product should be further developed or phased out.

 

Solve Cases to Topics Like Market Entry or New Product

Company case provided by Company case by
DHL Consulting
DHL Consulting Case: Local Commerce
DHL aims to create a new E-Commerce business model that combines:A DHL-owned online marketplace.Participation limited to local retailers.Same-day parcel delivery services by DHL.The strategic goal is to strengthen the stationary retail sector as an important customer group. The DHL Consulting team is tasked by the DHL Business Unit "Post & Parcel Germany" (P&P) with identifying a suitable German city for a pilot project and estimating the potential revenue in that city.
4.2
9.6k times solved
Difficulty: Beginner
Interviewer-led
Market entry
Market sizing
Company case provided by Company case by
Mercedes-Benz Management Consulting
MBMC Case: AMG | Turning the most affluent prospects into loyal clients
Mercedes‑AMG stands for uncompromising performance, engineering excellence, and emotional driving experiences. Yet recently, AMG’s top management has become concerned that while the product itself continues to exceed customer expectations, the moment of purchase no longer does.The trigger for this case was a concrete incident: a highly affluent customer configured an AMG top‑end vehicle in detail, was technically convinced, but ultimately decided against the purchase, stating: “It’s a fantastic car – but it didn’t feel special.” For the CEO of Mercedes‑AMG, this statement raises a critical question. In the luxury and performance segment, emotional differentiation at the point of decision is as important as horsepower or technology.Against this backdrop, AMG is exploring new ways to elevate the buying experience for its most valuable customers. One idea under discussion is the introduction of AMG Individualization Hubs – exclusive physical spaces where customers would finalize their vehicle together with AMG experts in a highly personalized and immersive setting.The management now asks you and your Consulting Team to assess this idea holistically:How can AMG strengthen emotional differentiation during the purchase decision, and do Individualization Hubs represent a strategically sound and economically viable solution? The objective is to develop a clear recommendation that balances brand impact, customer experience, and profitability.
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Difficulty: Intermediate
Interviewer-led
Updated
Growth strategy
New product
Profitability analysis
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Alberto
MBB Case - Sierra Springs
Our client is Sierra Springs, a top 3 spring water producer in the U.S. The company owns the entire bottled-water production supply chain, including water sourcing, production of water-based products, bottling and packaging and distribution to retail outlets. Sierra Springs also leads its own brand design, marketing and sales efforts.Sierra Springs has several brands across still and sparkling water drinks, 3 large bottling plants throughout the country and distribution agreements with most major retailers. Sierra Springs is evaluating the launch of a new product, a flavored sparkling bottled water called Berry Fizz. The company’s Chief Marketing Office has asked us to help analyze the major factors surrounding the launch of Berry Fizz and its own internal capabilities to support the effort.
5.0
3.3k times solved
Difficulty: Intermediate
Interviewer-led
New product

 

Key Takeaways About the Product-Life-Cycle

  • The product life cycle describes the 5 phases a product goes through.
  • These phases can be divided into Development, Introduction, Growth, Maturity, and Decline.
  • Each phase has an impact on profit, sales, and the company’s strategic decisions.

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