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A value chain is a progression of activities that a business or firm performs in order to deliver goods and services of value to an end customer. The concept comes from the field of business management and was first described by Michael Porter in his 1985 best-seller, Competitive Advantage: Creating and Sustaining Superior Performance .
The idea of GVCs did not have a single source. While there are connections to the notions of “commodity chain” introduced by Immanuel Wallerstein and “value chain” analyzed by Michael Porter, the GVC framework included distinctive elements that differentiated it from previous paradigms. The emphasis on the power of lead firms in global ...
The existence of a global value chain (i.e. where different stages in the production and consumption of materials and products of value take place in different parts of the world) implies a global supply chain engaged in the movement of those materials and products on a global basis.
In sophisticated supply chain systems, used products may re-enter the supply chain at any point where residual value is recyclable. Supply chains link value chains. [6] Suppliers in a supply chain are often ranked by "tier", with first-tier suppliers supplying directly to the client, second-tier suppliers supplying to the first tier, and so on. [7]
Analysing the firm's activities as a linked chain is a tried and tested way of revealing value creation opportunities. The business economist Michael Porter of Harvard Business School pioneered a value chain approach: "the value chain disaggregates the firm into its strategically relevant activities in order to understand the costs and existing potential sources of differentiation". [3]
Extended enterprise is a more descriptive term than supply chain, in that it permits the notion of different types and degrees and permanence of connectivity. Connections may be by contract, as in partnerships or alliances or trade agreements , or by open market exchange or participation in public tariffs .
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Marketing should be emphasized by global supply chain managers to create customer value, satisfaction, and loyalty. Customer value, satisfaction, and loyalty lead to improved profit margins, which in turn leads to overall corporate growth. [5] Managers need to think about their strategies and the implication of the strategy on the entire supply ...