In identifying an industry's key success factors, strategists should

a$.$ try to single out all factors that play a major role in shaping whether buyer demand grows rapidly or slowly.

b$.$ consider whether the number of strategic groups is increasing or decreasing and whether the five competitive forces are powerful or relatively weak.

c$.$ focus their attention on what it will take to capitalize on the impacts of the industry's driving forces.

d$.$ consider what it will take to overtake the company with the industry's overall best strategy.

e$.$ consider on what basis customers choose between competing brands, what resources and competitive capabilities firms need to be competitively successful, and what shortcomings are almost certain to put a company at a significant competitive disadvantage.