🤑ap microeconomics review

Horizontal demand curve

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A perfectly elastic demand curve facing a price-taking firm in perfect competition, indicating the firm can sell any quantity at the market price but zero units if it raises price above the market price.

AP course connection

Topic 3.7: 3.7 Perfect Competition

Unit 3

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