#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
In the long run, what happens to the number of firms in a monopolistically competitive industry?
More firms enter the industry.
Existing firms exit the industry.
The number of firms remains constant.
The number of firms fluctuates.
#9
What is a characteristic of long-run equilibrium in a perfectly competitive market?
Price equals average variable cost.
Firms earn economic profits in the long run.
Firms produce at the level where marginal cost equals average total cost.
There are barriers to entry and exit for firms.
#10
What is a key feature of long-run equilibrium in a monopolistic competition?
Homogeneous products
Zero economic profits
Perfect information
Price equals marginal cost
#11
What effect does an increase in demand have on long-run equilibrium in a perfectly competitive market?
It decreases the number of firms in the industry.
It increases economic profits for existing firms.
It attracts new firms to enter the industry.
It leads to a decrease in product variety.
#12
What happens to the number of firms in a perfectly competitive market in the long run if economic profits are being earned?
More firms enter the market.
Existing firms exit the market.
The number of firms remains constant.
The number of firms fluctuates unpredictably.
#13
What is the primary factor that drives firms to enter a perfectly competitive market in the long run?
High barriers to entry
Economic losses by existing firms
Government subsidies
High level of consumer demand
#14
Which statement accurately describes the long-run outcome for firms in monopolistic competition?
Economic profits are always positive.
Economic profits are always negative.
Economic profits are zero.
Economic profits vary depending on market conditions.
#15
What is a characteristic of long-run equilibrium in monopolistic competition?
Price equals marginal cost.
Price equals average total cost.
Firms produce at the minimum point of their average total cost curve.
Firms earn positive economic profits.
#16
What is the main reason why firms in monopolistic competition might earn economic profits in the short run?
Low barriers to entry
Homogeneous products
Perfectly elastic demand curve
High level of government regulation
#17
In long-run equilibrium in monopolistic competition, what happens to the price level compared to perfect competition?
Price is lower in monopolistic competition.
Price is higher in monopolistic competition.
Price is the same in both market structures.
Price is indeterminate.
#18
What is a characteristic of long-run equilibrium in a monopolistic competition?
Firms produce at the minimum point of their average total cost curve.
Firms produce where price equals marginal cost.
Firms produce where price equals average total cost.
Firms earn positive economic profits.
#19
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.
#20
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.
#21
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.
#22
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.
#23
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.
#24
What distinguishes long-run equilibrium in monopolistic competition from perfect competition?
Number of firms
Price level
Product differentiation
Ease of entry and exit