Answer: The following is not a disadvantage of vertical integration: Decreased product quality
Vertical integration refers to an arrangement under which the supply chain of a organization is closely-held by that organization. In this mostly each associate of the supply chain bring forth a different commodity or service, and the commodity pools to satisfy a public need.
This has its advantages and disadvantage but nevertheless ,it tends to increase the productivity instead of decreasing it.
Therefore, the correct option is (b)
