Porter's Five Forces Model of Competition Is Too Simple as Originally

Multiple Choice

Porter's five forces model of competition is too simple as originally conceived because it overlooks phenomena such as:

A) The relationships of substitution between products or services within one segment of the market
B) Competitors' strategies may shape the industry structure, rather than structure shaping competition
C) The complexity and stability of the competitive world where rivals' strategies affect each other
D) The different levels of industry analysis that the five forces model can be applied to