A Two-Way Network That Links Users and in Which the Per-Unit

Multiple Choice

A two-way network that links users and in which the per-unit value of the service increases as the size of the network increases is a:

A) positive externality known as an indirect network externality.
B) negative externality known as an indirect network externality.
C) positive externality known as a direct network externality.
D) negative externality known as a direct network externality.