1. Intensity of competition in an industry is usually the most powerful of the five forces. Threat of “destructive” competition in an industry is lower when
a. there are higher fixed costs
c. there are few switching costs
b. rivals compete on different dimensions
d. firms cannot exit the market easily
2. As seen in Porter's Five Forces model, conditions under which a supplier group can be powerful include all the following except.
a. lack of importance of the buyer to the supplier group
b. high differentiation by the supplier
c. readily available substitute products
d. dominance by a few suppliers