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A 2x2 matrix is an elegant instrument to effectively communicate insights

A two-by-two matrix is a simple and effective way of presenting information. It is very popular in consulting because it provides a big picture of options that are MECE. The matrix is generally divided into four segments, which indicate different strategic actions for each option within the respective segment. Single options are plotted into the matrix taking two key decision criteria into account. The chosen two dimensions are independent of each other. Hence, criteria need to be carefully selected.

Use a 2x2 matrix in your interviews as a visual summary of the findings

It is recommended to use matrices (if possible) in case interviews, as it will show the interviewer that you can break down complex ideas and communicate these in a structured manner. A matrix is an ideal tool to synthesize complex ideas into simple options.

As an example, imagine you need to make an investment decision

Question: In which business segments should we invest further?

Important data:

  1. Importance for our business (fraction of the overall revenue)
  2. Expected performance (Growth)



Key takeaways for a 2x2 matrix

  • Scatter graph of two variables.
  • Provides an effective overview of where to focus first before further analysis.
  • Limited to only two variables.

Structure ideas with a 2x2 Matrix and the Clothing Retailer Marketing case


The most known two-by-two matrix is the BCG matrix

The BCG matrix, also called the growth-share matrix, helps assess a company’s current product portfolio based on the product life cycle and the experience curve. Since both criteria are hard to quantify, proxies are used to illustrate them. The product life cycle is reflected by market growth and the relative market share mirrors a company’s experience curve. Based on these two criteria, investment or divestment decisions can be taken for single products once they are plotted into the matrix.




  • Low relative market share in a slow-growing mature market.
  • Products mostly do not generate profit and may usually just break even.
  • Divest, as these products have a negative effect on the overall profitability of the company.

Question Marks:

  • Low relative market share in a relatively young but promising market (growing).
  • Potential of becoming stars if market share can be increased.
  • If necessary market share is not reached, likely to turn into a poor dog, as soon as the market gets more mature.
  • Careful analyses are needed to determine if to invest or not.

Cash Cows:

  • High market share in a slowly growing/ mature market.
  • Creates the highest cash flow.
  • There is no further investment due to limited/ no growth potential, but trying to “milk” as long as possible.


  • High market share in a promising market.
  • To turn a star into a future cash cow, heavy investment is needed to fight competition and expand market share.

Key takeaways for the BCG matrix

  • Helps to analyze where to invest or divest.
  • Ideally, a product should develop from a question mark to a star to a cash cow.
  • IMPORTANT: This should only be referred to as BCG matrix when interviewing with BCG, otherwise it is the growth-share matrix.


Use the Ansoff matrix to analyze revenue growth options for a company

Besides the BCG matrix, the Ansoff matrix is one of the most known two-by-two matrices. The underlying question of this graph is how a company could achieve future growth in terms of revenue. Here, four different strategic options are available: market penetrationmarket developmentproduct development, or diversification.



Market Penetration

  • A Company is trying to grow within an existing market with existing products.
  • Can be achieved by attracting new customers (first buyers), which bought previously from competitors (stealing market share).
  • Low risk and growth potential.

Market Development

  • A Company is trying to grow in a new market with existing products.
  • New markets could be on a regional, national or international level.
  • Risk and growth potential are considered to be higher than the ones of a market penetration strategy.

Product Development

  • A Company is trying to grow within an existing market but with new products.
  • New products do not need to be necessarily new, but can also be adaptions or updates to existing products developed using companies core competencies.
  • Risk and growth potential are comparable to these of a market development strategy.


  • A Company is trying to grow in a new market with a new product.
  • 3 diversification strategies can be distinguished: horizontal, concentric, and lateral.
  • Horizontal diversification: products are often unrelated to current products, but have the potential to attract current customers.
  • Concentric diversification: products often display synergies with current products and have the potential to attract new customers.
  • Lateral diversification: new products have no relation or synergies with current products.
  • Risk and growth potential are the highest of all strategies.


Key takeaways for the Ansoff matrix

  • Helps in answering how future growth should be achieved.
  • 4 different strategies can be distinguished: market penetration, market development, product development, and diversification.
  • Each strategy has a different growth and risk potential.

Solve the DairyCo case to apply the Ansoff matrix
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Questions on This Article

What is the difference between 2by2 matrix decision making and BCG matrix?

2x2 Matrices and the BCG matrix
Recent activity on May 01, 2020
The best answer (on Apr 22, 2020) is from:
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
gave the best answer on Apr 22, 2020
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
There is no difference. In fact, one is just an exemplification. Matrixes are a very commonly used tool when solving cases, with some particularities: Can be 2x2 or even 3x3, when you have scenarios such as " ... (read entire answer)
2.7 k
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on May 01, 2020 on May 01, 2020
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What parameters should be taken into consideration when deciding where we stand on each of the axes?

2x2 Matrices and the BCG matrix
Most recent answer on Aug 04, 2020
The best answer (on Aug 04, 2020) is from:
MBB | 100% personal interview success rate (8/8) and 95% candidate success rate | Personalized interview prep
gave the best answer on Aug 04, 2020
MBB | 100% personal interview success rate (8/8) and 95% candidate success rate | Personalized interview prep
Hi Jakob, Happy to help given I'm ex-BCG myself! There are a few answers here. If the item is quantifiable (i.e. market growth), then the answer is easy. The middle point in the data is the middle point on the m ... (read entire answer)
1.7 k
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on Aug 04, 2020 on Aug 04, 2020
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Can you take a typical example about horizontal ,concentric and lateral products

2x2 Matrices and the BCG matrix
Most recent answer on Aug 04, 2021
The best answer (on Dec 26, 2020) is from:
Ex-Mckinsey|Certified Career Coach |Placed 500+ candidates at MBB & other consultancies
gave the best answer on Dec 26, 2020
Ex-Mckinsey|Certified Career Coach |Placed 500+ candidates at MBB & other consultancies
Hi Ngô! Here are some typical examples of these product diversification strategies: Concentric is the simplest, it's basically companies selling similar products in almost the same customer segment, for example, a c ... (read entire answer)
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on Aug 04, 2021 on Aug 04, 2021
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