What is the approach used by economists to analyse competition among oligopolists?

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Economists use game theory to analyze competition among oligopolists. Game theory considers the strategic interactions between firms and the ways in which they respond to each other's actions in a competitive environment. This approach allows economists to model various scenarios and predict the potential outcomes of oligopolistic behavior. Marginal analysis is a general analytical tool that can be used across multiple economic concepts, while oligopoly theory and competition among the few are more specific concepts and may not capture the full complexity of oligopolistic competition.

What Is the Approach Used by Economists to Analyse Competition