Competitive advantage provides the only protection a company can have. A company with a competitive advantage earns a greater margin between revenue and cost than other companies do for engaging in the same activity. A firm can use that additional margin to fight those other companies, which will not have the resources to defend themselves. It can use that advantage to win. Low cost and differentiation seem like simple concepts, but they are very powerful in terms of keeping companies honest about their strategies. Many companies like to describe themselves as winning through operational
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