"United States" . . "Annenberg Media Learner.org." . . "Since 1945" . . "Wharton Econometric Forecasting Associates, inc." . . . . . . "Lesson 19: Monopoly: who's in control? The degree to which a firm controls the market affects prices and economic efficiency."@en . . . . . . . . . . . . . "Monopoly: who's in control?"@en . . . "Lesson 20: Oligopolies: whatever happened to price competition? How oligopolies try to avoid price competition. This look at the rise of oligopolies and the growth of government regulations includes a debate of the effects of airline deregulation. (Online version updated 2003)." . . . . . . . . . . . "Oligopolies : whatever happened to price competition?" . . "Monopoly, who's in control?"@en . "Streaming multimedia"@en . . . "Video recordings for the hearing impaired"@en . . . . . "Oligopolies"@en . . . . . . . "Lesson 19: Monopoly: who's in control? The degree to which a firm controls the market affects prices and economic efficiency. The stories of Standard Oil, AT&T, and Microsoft demonstrate the power, importance, and problems of monopolies. (Online version updated 2002)." . "Electronic videos" . . "Lesson 20: Shows how oligopolies try to avoid price competition. Discusses the rise of oligopolies and the growth of government regulations." . . . . "Monopoly who's in control? ; Oligopolies : whatever happened to price competition?"@en . "Monopoly who's in control? ; Oligopolies : whatever happened to price competition?" . . . . . . . . . "An introductory college telecourse on macroeconomics."@en . . . . . . . . . "Covers how the degree to which a firm controls the market affects prices and economic efficiency, and the role of government in trying to prevent or regulate monopolies."@en . . . "Demonstrates the power, importance, and problems of monopolies through the stories of Standard Oil, AT & T, and Microsoft."@en . . . "Part 1. Defines monopoly and explains that the degree to which a firm controls the market affects prices and economic efficiency. Part 2. Shows how oligopolies try to avoid price competition." . . . "Monopoly : who's in control? ; Oligopolies : whatever happened to price competition?" . . . "Monopoly who's in control?"@en . . . "Monopoly: who's in control? The degree to which a firm controls the market affects prices and economic efficiency."@en . . "Digital video"@en . . . "Oligopolies: whatever happened to price competition?"@en . . "Lesson 20: Oligopolies: whatever happened to price competition? How oligopolies try to avoid price competition."@en . . "Lesson 19: Defines monopoly and explains that the degree to which a firm controls the market affects prices and economic efficiency. Discusses the stories of Standard Oil, AT & T, and Microsoft." . . "History"@en . "Annenberg/CPB Collection." . . "Films Incoporated." . . "Educational Film Center." . . "Standard Oil Company" . . "Educational Film Center (Annenburg, Va.)" . .