How Big – Market Share, The Rule of 3 & 4
By David Matheson 
3
min watch
Need help navigating trick discussions about market share?
All you need is a good understanding of how market competition works and where market share may be up.
The Rule of 3 and 4 is an empirical rule-of-thumb that helps people through the process of determining market share. Rules of thumb can help you translate your thinking about position in markets into market share.
In this video, you’ll look at two factors, keeping in mind that we’re jumping to maturity in this exercise.
- Ask yourself how many players are out there at maturity?
- What is our position in the market?
