Abstract
This paper studies the essence and significance of one of the components of imperfect competition – oligopoly. In the course of writing the paper, the main specific features of oligopoly that distinguish it from monopoly and monopolistic competition have been identified. In addition, the main conditions of its emergence were noted, with the allocation of varieties of the category under consideration. An important place in the study was given to the main models of oligopoly, in particular: price leadership model, Bertrand model, cartel model and Cournot model. In addition, a comparative analysis was conducted to identify the positive and negative sides of the existence of oligopoly. Undoubtedly, the topic of our research is very relevant at the current stage of economic development. This is primarily due to the fact that oligopoly acts as one of the most common market structures. After all, almost all technically complex industries belong to oligopoly, in particular such industries as metallurgy, electronics, automobile manufacturing and many others.
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