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Watch the following video and comment on imperfect competition must provide references
VIDEO Imperfect Competition (From the Online Library)
directed by Ken Harrison, fl. 1969-1999; produced by Ken Harrison, fl. 1969-1999, Dallas TeleLearning, in Choices & Change: Microeconomics, Lesson 10 (Dallas, TX: Dallas County Community College District, 2000), 28 mins
Imperfect Competition makes comparisons between perfect and monopolistic competition and between monopoly and oligopoly. Advertising, its use in these markets and the desirability of advertising expenses is explored.