Not All Positions on a Strategic Group Map Are Equally

Not all positions on a strategic group map are equally attractive because

A) entry and exit barriers are different for each strategic group.
B) key success factors are usually quite different for differently positioned industry participants.
C) small strategic groups are always less profitable than large strategic groups.
D) across-group rivalry is strongest at the outer edges of the strategic group map.
E) industry driving forces and competitive pressures favor some companies or groups and hurt others,and the profit potential of different strategic groups varies because of strengths and weaknesses in each strategic group's position.