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10% Limit in Market Growth in BCG Matrix
Rob
Generally in the BCG Matrix, when the market growth is more than 10%, it is considered a star. Can anyone explain why they have chosen the (fairly high) limit of 10%?




No Standard 10% threshold in BCG Matrix
S. Adnan
No this is wrong, there is no 10% limit / dividing line / threshold in the BCG matrix. This horizontal line in the diagram is drawn based on the average market growth. So if the brand is growing faster than the market, then it will be in star or question mark category, otherwise it will be under the line in the cash cow or dog section.




Product Life Cycle and BCG
shikha trivedi
A really very good summary but plz explain the scaling of BCG and who can tell something more about the relationship of the Product Life Cycle and the BCG Matrix?




Average Growth rate of the Industry
Sanjay T Rane
Low and high are divided on the basis of the average growth rate of the industry.
Let's say the growth rate of a certain industry is 40%. Then the separator line will come near 20%. Exactly you will have to calculate on the basis of weighted average or return from a product portfolio.




Average growth rate
Melvin van der Veen
As you say, Sanjay, the line in the middle should be 40%, yet this 40% is the average growth rate of the industry, right? Because why would 20% be an average? To me 20% over a market growth rate of 40% sounds like a very low percentage... So my question is: what do you base this 20% on?




BCG Matrix Scales
marjan, Student (MBA), Iran, Member
I want to know why the market share in BCG graph in different books is not same? For example I have read in Kotler's book 10% but in Changler's book it is 5%?




Scales in BCG Matrix are Relative
Hamid Rezaei, Student (MBA), Iran, Member
Agree with Melvin. It's the average growth rate. Therefore in the aforementioned example the horizontal line must be drawn on 40% scale.
But going back to Marjan's question, in the BCG Matrix we use a relative scale. You may scale it from 0% to 100% (although this is not often necessary and also is not very pragmatic).
The BCG Matrix is a concept rather than a calculation tool. You are free to use it based on your managerial judgment. We are not going to extract our perfect strategy out from BCG matrix.


