によって Mariana Mendoza 11年前.
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monopoly the governmet owns and operates
Based on owenership or control of a manufacturing method, process, or other scientific advance.
Based on the absence of other sellers in certain geographic area
Situation in which the average cost of production falls as the firm gets larger
Market situation where the costs pf production are minimized
Cooperative manner
Collusion
Formal agreement to set prices
Price-fixing
Tendency of oligopolist to work together