Many Economists Do Not Believe That Network Externalities Lock Consumers

Multiple Choice

Many economists do not believe that network externalities lock consumers into the use of products that have technology inferior to other, similar products.These economists believe that

A) consumers are always rational.
B) in practice, the gains from using a superior technology exceed the losses consumers incur from switching costs.
C) there is no good evidence that switching costs exist.
D) the government will prevent products with inferior technology from being sold to consumers.