One of the first tough decisions that startup founders have to make is how to allocate or split the equity among co-founders. The easy answer of splitting it equally among all co-founders, since there is minimal value at that point, is usually the worst possible answer, and often results in a later startup failure due to an obvious inequity.
Another common “failure to start” situation I see is one where the “idea person” insists that the idea is 90% of the value (and 90% of the equity). In the real world, the "idea" is a very small part of the overall equation.
To read the full, original article click on this link: Startup Professionals Musings: Entrepreneur Startup Share Depends on Contribution
