Final answer:
The best statement about supply chains is that flows may be managed by an intermediary, and this is due to the complexity and globalization of modern supply chains which is enabled by advancements in technology and transportation. This complexity also leads to specialization and efficiency within the value chain of goods, often in an international context.
Step-by-step explanation:
The statement about supply chains that is best would be (D) Flows in a supply chain may be managed by an intermediary. Modern supply chains are intricate networks involving multiple stages of production, logistics, and the flow of information. The notion of splitting up the value chain refers to how a good is produced through various stages, often by different firms across different regions or countries. Advancements in communication technology and transportation have facilitated this process of splitting, making it more feasible for companies to specialize in certain segments of production. Intermediaries often manage these flows, enhancing efficiency within the supply chain by ensuring smooth coordination between different stages.
When considering the supply chains and the role of technology, the advancement of communication and information technologies plays a crucial role. Sharing these technologies with developing countries can help to improve supply chain efficiency and product distribution on the market. Additionally, labor rights are critical, requiring companies to commit to changing labor policies and investing in their labor force at both international and national levels.