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History of the Great Depression

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Economics at university

Perfect competition

Can we find examples in online markets?

The model of perfect competition is the starting point for analysing the theory of the firm, but does it correspond to markets in the real world? Caroline Elliott looks at the key features of the model and asks whether online markets can be thought of as real-world examples of perfectly competitive markets

perfect competition, market structure, theory of the firm, online markets

When students are introduced to the theory of the firm, typically one of the first industry structures they are presented with is a perfectly competitive market. However, it can be difficult to think of real-world examples of perfectly competitive markets, or even markets that come close to having the characteristics of perfect competition. Rather, perfectly competitive markets are often introduced as a benchmark industry structure, a theoretical industry type that has a number of desirable attributes. While it may be difficult to think of real industries that can be described as perfectly competitive, this industry structure can be considered as an ideal, and policymakers may consider whether real-world industries can be modified to make them closer to this ideal, for example through the removal of barriers to entry.

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History of the Great Depression

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Economics at university

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