Assume There Are Two Competing Social Network Sites, Mugshot and Graybar

Multiple Choice

Assume there are two competing social network sites, Mugshot and Graybar, and each grow in value as more people use them. Mugshot has been around longer and has the most users, but people tend to agree that Graybar is a better site, so the equilibrium where everyone uses Graybar is preferred to the equilibrium where everyone uses Mugshot. This situation describes a multiplayer

A) assurance game.
B) prisoner's dilemma game.
C) battle of the sexes game.
D) pure coordination game.