[emixam]

The problem really comes from the capacity for a coop to raise funds. A coop is a non-capitalistic company so very few investors are interested.

There is no valuation other than amount of shares x value of share. Voting power is not dependent on share (1 person = 1 vote).

Making an exit is thus not a possibility. Investors have little interest to finance a traditional company that would only yield dividends (if it does, which is not mandatory).

The problem of speed is also often cited: democracy takes more time. While I think that's true, I haven't felt that was a limiting factor. Financing is a much bigger one.