A strategy of vertical integration can have substantial drawbacks, including:
A. whether horizontal integration can limit the performance of strategy-critical activities in ways that increase cost, build expertise, protect proprietary know-how, or increase differentiation.
B. raising the firm's capital investment in the industry and increasing business risk, as well as providing less flexibility in accommodating shifting buyer preferences by locking the firm into relying on its own in-house activities.
C. the environmental costs of coordinating operations across vertical chain activities.
D. the ease to manage a set of skills and capabilities needed to operate in another stage of the vertical chain.
E. the difficulties faced in entering outside vertical and horizontal markets.
Answer: the environmental costs of coordinating operations across vertical chain activities.