But in practice we see that: 1. Firms compete 2. Some firms get ahead 3. Accrued advantages to being ahead amplify 4. A small number of firms dominate 5. N

But in practice we see that: 1. Firms compete 2. Some firms get ahead 3. Accrued advantages to being ahead amplify 4. A small number of firms dominate 5. New competition is bought or crushed 6. Dominate firms become less efficient in competition-free environment