Comment 3 for bug 1409172

Donaldson:
> traditional economy theory . . . offers very little indeed by way
> of explanation of oligopolistic behaviour.

Traditional economy says oligopolistic behaviour is gone when there doesn't exist artificial entry barriers to the market, which are:
- Intellectual property.
- Tax reduction when larger volume of production.
- Tax evasion to tax havens.
- Lock-ins.
- State grants.