Long-Run Equilibrium in Competitive Industries Quiz
Explore long-run equilibrium in competitive industries with questions on economic profits, market characteristics, and supply curves.
#1
What is the long-run equilibrium condition for firms in a perfectly competitive market?
Marginal cost equals marginal revenue
Marginal cost equals average total cost
Price equals marginal cost
Price equals average total cost
#2
What is a key assumption of perfect competition in the long run?
Homogeneous products
Limited number of buyers
Barriers to entry and exit
Market power for individual firms
#3
In the long-run equilibrium of a competitive industry, what is true regarding economic profits?
Economic profits are always zero.
Economic profits are always positive.
Economic profits are always negative.
Economic profits can be positive, negative, or zero.
#4
Which of the following is NOT a characteristic of a competitive industry in long-run equilibrium?
Zero economic profits
Price equals marginal cost
Firms produce at the minimum point of their average total cost curve
Entry and exit of firms are restricted
#5
In the long-run equilibrium of a competitive industry, what happens if firms are making economic profits?
New firms will enter the industry, driving down profits.
Existing firms will exit the industry, increasing profits.
Nothing happens; economic profits persist indefinitely.
Firms will reduce production, leading to lower profits.
#6
In long-run equilibrium, what is the relationship between price and marginal cost for firms in a perfectly competitive market?
Price is always higher than marginal cost.
Price equals marginal cost.
Price is always lower than marginal cost.
Price is unrelated to marginal cost.
#7
What is the long-run outcome for a monopolistically competitive firm in terms of economic profits?
Zero economic profits
Positive economic profits
Negative economic profits
Indeterminate economic profits
#8
Which of the following best describes the long-run supply curve in a competitive industry?
It is upward-sloping due to increasing marginal costs.
It is perfectly elastic at the minimum average total cost.
It is downward-sloping due to decreasing average total cost.
It is perfectly inelastic at the marginal cost curve.
#9
What does the concept of allocative efficiency refer to in the context of long-run equilibrium?
Producing goods at the lowest possible cost.
Producing the quantity of goods most desired by consumers.
Maximizing profits for firms in the industry.
Achieving equilibrium in the labor market.
#10
What is the relationship between long-run equilibrium and the minimum efficient scale of production?
Long-run equilibrium occurs at a quantity higher than the minimum efficient scale.
Long-run equilibrium occurs at a quantity lower than the minimum efficient scale.
Long-run equilibrium occurs at the minimum efficient scale.
Long-run equilibrium is unrelated to the minimum efficient scale.
#11
Which condition characterizes long-run equilibrium in a perfectly competitive market?
Price equals marginal cost equals average total cost.
Price equals marginal revenue equals average total cost.
Price equals marginal cost equals average variable cost.
Price equals marginal cost equals average fixed cost.
#12
Which condition characterizes long-run equilibrium in monopolistic competition?
Price equals marginal cost equals average total cost.
Price equals marginal revenue equals average total cost.
Price equals marginal cost equals average variable cost.
Price equals marginal cost equals average fixed cost.
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