Final answer:
By analyzing a company's own internal activity segments, the suppliers' part, and the forward (distribution) channel portion of the value chain system, managers can improve efficiency and effectiveness in a company's value chain.
Step-by-step explanation:
Managers can improve efficiency and effectiveness in a company's value chain by analyzing a) a company's own internal activity segments, the suppliers' part, and the forward (distribution) channel portion of the value chain system.
By analyzing all these segments of the value chain system, managers can identify areas where efficiency can be improved, such as streamlining internal processes, improving supplier relations, and optimizing distribution channels. This analysis can help the company reduce costs, increase productivity, and deliver products or services more effectively to customers.