Microeconomics › Section H · Perfect competition › Topic H.1
Perfect competition and why it matters
Imagine a market with so many sellers of so identical a product that no one - buyer or seller - has any power over the price. Almost no market fully qualifies, yet the model is the course's measuring stick: it shows what competition at its purest achieves, and how far every real market sits from that.
In this topic
- Four assumptions
- Price takers
- The firm's flat demand curve
- Two demand curves, one market
- Where reality falls short
- Close approximations
- Why the benchmark matters
- Worked example: testing a market against the four assumptions
- Worked example: one farm facing the wheat price
- Common mistakes to avoid
- Key takeaways
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