Competitive Advantage

Porter's value chain enables managers to isolate the underlying sources of buyer value that will command a premium price, and the reasons why one product or ser... » 

Porter's value chain enables managers to isolate the underlying sources of buyer value that will command a premium price, and the reasons why one product or service substitutes for another. He shows how competitive advantage lies in activities and in the way they relate to each other, to supplier activities, and to customer activities. «