Let's look at how many of the world's leading companies are worker's cooperatives: very, very few. And this despite the fact that companies generally don't stay 'at the top' all that long. There is plenty of room for new companies in many fields.
> This has nothing to do with your original notion of "risk"
So what's your proposal? I don't really understand what you are discussing if you think it is not related.
That's why I said "proportion", not "more". I agree the data would not be a firm indicator because there are lots of other factors involved, but it would still be interesting.
> So what's your proposal?
It's not a proposal, just an observation to counter arguments of "impossible" - if more people are more equally involved in funding a company, so the distribution of risk is shared, there is more incentive to create a democratic structure.