There Is a Growing Market for Buying and Selling Information

Multiple Choice

There is a growing market for buying and selling information about the online behavior of consumers. Most people use one of only a small number of search engines (such as Google, Bing, or Yahoo!) when surfing the net. It has been hard for new search engines to gain any market share. Based only on this information, the market for search is best considered as

A) perfectly competitive.
B) oligopoly.
C) monopolistically competitive.
D) monopoly.