Retailing is an extremely low barrier to entry industry, especially online retailing. Predatory Pricing may have worked in the era of railroads, which have an e

Retailing is an extremely low barrier to entry industry, especially online retailing. Predatory Pricing may have worked in the era of railroads, which have an extremely high startup cost, but it does not work work for online retailing. Amazon cannot achieve ~100% permanent market share by lowering the prices and then raising them.