According to Kurtz/lecture/Galloway, all of the following are true of our contextual analysis and typologies of competitive environments EXCEPT:
a) monopoly as a market structure with domination by one firm
b) oligopoly as market structure in which relatively few sellers compete AND high start up costs form barriers to keep out new competitors
c) antitrust as referring to laws designed to help business monopolies maintain their dominant market position
d) the positions of Google and Facebook over online advertising are so dominant that they constitute a duopoly
Answer: C