Network Externalities Are Fueled by Three Sources

Network externalities are fueled by three sources:

A) Minimizing switching costs, the existence of a natural network in an industry, and the availability of complementary products or services
B) The existence of a natural network, the extent to which the government allows firms in an industry to externalize their costs, and the level of innovation in this industry
C) The availability of complementary products or services, the importance of barriers to entry, and the level of innovation in an industry
D) The level of innovation in an industry, the nature of the fundamental knowledge involved in this industry, and the availability of complementary products or services