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Unformatted text preview: High barriers for entry and exit No govt. price regulation No No Yes Yes Steel, contract construction Differentiated Oligopoly Few sellers High Yes High barriers No govt. price regulation No, price not at min. of ATC No Yes Yes Beer, soft drinks, vehicles, etc. Natural Monopoly Company Only one seller Absolute None, the firm is the only seller Complete barriers to entry Yes, state/ local govt. regulates price No Possible, depends on how price is regulated No No Local electric power Pure Monopoly Only one seller Absolute None, the firm is the only seller Complete barriers to entry None, but firm has some pricing freedom No No Possible Yes Alcoa (historic) many firms in small, local mkts....
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- Spring '11