#1
Which of the following is a characteristic of perfect competition?
Many buyers and many sellers
ExplanationPerfect competition involves numerous buyers and sellers.
#2
What does the term 'opportunity cost' refer to?
The highest-valued alternative that must be sacrificed to choose an option
ExplanationOpportunity cost signifies the value of the next best alternative foregone.
#3
In economics, what is the 'marginal cost'?
The additional cost of producing one more unit of a good
ExplanationMarginal cost represents the extra expense incurred to produce one additional unit.
#4
What does the term 'diminishing marginal returns' indicate?
As production increases, the marginal product of an input decreases
ExplanationDiminishing marginal returns suggests that adding more of a factor results in reduced per unit output.
#5
What is the formula to calculate total revenue?
Total revenue = Price × Quantity
ExplanationTotal revenue equals the price per unit multiplied by the quantity sold.
#6
In the long run, a perfectly competitive firm will earn...
Normal profit
ExplanationPerfectly competitive firms attain normal profits in the long run.
#7
What is the formula to calculate average fixed cost?
Average fixed cost = Total fixed cost / Quantity
ExplanationAverage fixed cost is total fixed cost divided by the quantity produced.
#8
Which of the following is a characteristic of a monopoly?
Many buyers and one seller
ExplanationMonopoly market structure involves a single seller and numerous buyers.
#9
In which market structure do firms have the least control over price?
Perfect competition
ExplanationFirms have minimal price control in perfect competition.
#10
What is the main characteristic of a monopolistic competition market structure?
Many buyers and many sellers with differentiated products
ExplanationMonopolistic competition involves numerous buyers and sellers offering varied products.
#11
In economics, what is the difference between explicit costs and implicit costs?
Explicit costs involve monetary payments while implicit costs involve opportunity costs
ExplanationExplicit costs require direct payments, whereas implicit costs represent opportunity costs.
#12
What is the main characteristic of a pure monopoly market structure?
Many buyers and one seller
ExplanationA pure monopoly consists of a single seller dominating the market.
#13
Which of the following is a characteristic of a monopolistic competition market structure?
Many buyers and many sellers
ExplanationMonopolistic competition involves multiple buyers and sellers with differentiated products.
#14
What does the 'average variable cost' represent?
The variable cost per unit of output
ExplanationAverage variable cost denotes the cost per unit that varies with output.
#15
Which of the following is NOT a characteristic of a perfectly competitive market?
Product differentiation
ExplanationPerfect competition lacks product differentiation among sellers.
#16
What is the relationship between marginal cost (MC) and average variable cost (AVC) when AVC is at its minimum?
MC = AVC
ExplanationWhen AVC reaches its minimum, MC equals AVC.
#17
What is the primary characteristic of an oligopoly market structure?
Few sellers and significant barriers to entry
ExplanationOligopoly is characterized by a small number of firms and high entry barriers.
#18
In a perfectly competitive market, what happens to economic profit in the long run?
It decreases to zero
ExplanationEconomic profit dwindles to zero in the long run for perfectly competitive firms.
#19
Which of the following is an example of a variable cost for a manufacturing company?
Raw materials
ExplanationRaw materials exemplify variable costs for manufacturing companies.
#20
What is the main characteristic of a cartel?
It consists of a few sellers who collude to control market prices
ExplanationA cartel comprises a small group of sellers collaborating to manipulate prices.
#21
What is the relationship between marginal cost (MC) and average total cost (ATC) when MC is below ATC?
MC > ATC
ExplanationWhen MC is below ATC, MC is greater than ATC.
#22
What does the term 'economies of scale' refer to?
When long-run average total costs decrease as output increases
ExplanationEconomies of scale indicate cost reductions with increased production.
#23
Which of the following is a characteristic of monopolistic competition?
A large number of firms
ExplanationMonopolistic competition involves numerous firms.
#24
What does the term 'price discrimination' mean in economics?
Selling identical units of a product for different prices
ExplanationPrice discrimination entails selling the same product at varied prices.
#25
In the long run, what happens to a firm's profits in a perfectly competitive market?
Firms always earn zero economic profits
ExplanationIn perfect competition, firms consistently earn zero economic profits in the long run.