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The demand curve that a firm faces in a perfectly competitive market is...........

Solution

✅ Correct Option: 4

Option 1 -> More elastic.

Not the most precise description; while the demand is highly elastic, it is actually perfectly elastic.

Option 2 -> Less elastic.

Incorrect; the demand faced by a firm in perfect competition is highly elastic, not less elastic.

Option 3 -> Perfectly inelastic.

Incorrect; a perfectly inelastic demand curve would be vertical, meaning quantity doesn't change with price.

Option 4 -> Perfectly elastic.

Correct; the firm faces a horizontal demand curve at the market price.


Hence, Option 4: Perfectly elastic -> In a perfectly competitive market, an individual firm is a price taker and faces a perfectly elastic (horizontal) demand curve at the market-determined price. This means the firm can sell any quantity at the prevailing market price, but if it raises its price even slightly above the market price, it will lose all customers to competitors selling identical products. The firm has no market power to influence price, resulting in infinite price elasticity of demand at the individual firm level. -> correct

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