It's definition The value chain describes the full range of activities that firms and workers do to bring a product or service from its conception to its end-use. This includes activities such as design, production, marketing, distribution and support to the final consumer. Key types Two types of value chains. The first describes those chains where the critical governing role is played by a buyer. Buyer-driven chains are characteristic of labor-intensive industries such as footwear, clothing, furniture, and toys. The second describes a world where key producers in the chain play the role of coordinating the various links— producer-driven chains. Here producers take responsibility for assisting the efficiency of both their suppliers and consumers. More than 70% of world trade consists of intermediate goods, services, and capital. The increased significance of global value chains and the fact that the most serious environmental and human rights violations generally occur in producer cou