#1
In perfect competition, what is the degree of control over price that individual firms have?
None
ExplanationIndividual firms have no control over price in perfect competition.
#2
What is the characteristic feature of a perfectly competitive market?
Homogeneous products
ExplanationAll products are identical in a perfectly competitive market.
#3
In perfect competition, what is the shape of the demand curve facing a single firm?
Horizontal
ExplanationThe demand curve is flat or horizontal for a single firm in perfect competition.
#4
What is the long-run equilibrium condition for firms in perfect competition?
Price equals average total cost
ExplanationIn the long run, price equals average total cost for firms in perfect competition.
#5
What is the short-run shutdown condition for firms in perfect competition?
Price is less than average variable cost
ExplanationFirms will shut down in the short run if price falls below average variable cost.
#6
What is the relationship between marginal revenue and price in perfect competition?
Marginal revenue equals price
ExplanationIn perfect competition, marginal revenue is equal to price.
#7
What is the slope of the demand curve facing a perfectly competitive firm?
Zero
ExplanationThe demand curve facing a perfectly competitive firm has a slope of zero.
#8
Which of the following is NOT a characteristic of perfect competition?
Barrier to entry
ExplanationPerfect competition does not have barriers to entry.
#9
What happens to economic profit in the long run in perfect competition?
Economic profit equals zero
ExplanationIn the long run, economic profit is driven to zero in perfect competition.
#10
What is allocative efficiency in perfect competition?
When firms produce where marginal cost equals price
ExplanationAllocative efficiency occurs when production is at a point where marginal cost equals price.
#11
In the long run, what happens to the number of firms in perfect competition if firms are making positive economic profit?
New firms enter the market
ExplanationPositive economic profit attracts new firms to enter the market in the long run.
#12
What is a characteristic of the demand curve facing a perfectly competitive firm in the short run?
Perfectly elastic
ExplanationThe demand curve facing a perfectly competitive firm is perfectly elastic in the short run.