All Free Economics MCQs with Answers

Every Economics question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.

4,037 questions · page 146 of 202

2901. Money is ?

  • A. The value of all coins and currency in circulation at any time
  • B. Anything that is generally accepted as a medium of exchange
  • C. The same as income
  • D. All of the above

Explanation: Money is anything generally accepted for buying goods and services, making it a medium of exchange.

Correct answer: Anything that is generally accepted as a medium of exchange
  • A. charging different prices on the basis of race
  • B. charging different prices for goods with different costs of production
  • C. charging different prices based on cost-of-service differences
  • D. selling a certain product of given quality and cost per unit at different prices to different buyers

Explanation: Price discrimination occurs when the same product of identical quality and cost is sold to different buyers at different prices.

Correct answer: selling a certain product of given quality and cost per unit at different prices to different buyers
  • A. charge a higher price
  • B. produce a lower quantity of the product
  • C. make a greater amount of economic profit
  • D. all of the above

Explanation: A monopolist restricts output to raise price, so it generally charges more and produces less than a perfectly competitive industry.

Correct answer: all of the above
  • A. the price is greater than the marginal revenue
  • B. the price is less than the marginal revenue
  • C. there is no relation
  • D. they are equal

Explanation: A monopolist faces a downward-sloping demand curve, so selling an additional unit requires lowering the price and reduces revenue on…

Correct answer: the price is greater than the marginal revenue
  • A. increase should
  • B. decrease output
  • C. keep output the same because profits are maximized when marginal revenue exceeds marginal cost
  • D. raise the price

Explanation: When marginal revenue exceeds marginal cost, producing one more unit adds more to revenue than to cost, so profit rises.

Correct answer: increase should
  • A. will rise
  • B. will fall
  • C. will remain the same
  • D. could either rise or fall depending on the elasticity of the monopolist's supply curve

Explanation: A natural monopoly exists because one large firm can produce at lower average cost through economies of scale.

Correct answer: will rise
  • A. tends to be inefficient.
  • B. usually lowers the cost of production dramatically.
  • C. creates synergies between the newly acquired firm and other government-owned companies.
  • D. does none of the things described in these answers

Explanation: Public ownership can reduce some monopoly problems but often suffers from weak competitive pressure and bureaucratic inefficiency.

Correct answer: tends to be inefficient.
  • A. higher prices and lower output
  • B. higher prices and higher output
  • C. lower prices and lower output
  • D. lower prices and higher output

Explanation: A monopoly restricts output below the competitive level and uses the resulting scarcity to charge a higher price.

Correct answer: higher prices and lower output
  • A. marginal revenue equals marginal cost
  • B. marginal revenue equals price
  • C. marginal cost equals price
  • D. marginal cost equals demand
  • E. none of these answers

Explanation: Profit changes by marginal revenue minus marginal cost when output changes by one unit.

Correct answer: marginal revenue equals marginal cost
  • A. natural monopoly
  • B. perfect competitor
  • C. government monopoly
  • D. regulated monopoly

Explanation: When average total cost keeps falling over the entire market demand, one large firm can supply the market more cheaply than several…

Correct answer: natural monopoly
  • A. Bans monopolies
  • B. Fines all monopolies
  • C. Prevents firms acquiring more than 25% of the market
  • D. Has the right to investigate monopolies and will assess each one on its own merits

Explanation: UK competition policy does not automatically ban or fine every monopoly, nor does it impose a universal 25% market-share limit.

Correct answer: Has the right to investigate monopolies and will assess each one on its own merits
  • A. Monopolies are inefficient
  • B. Monopoly profits ac as an incentive for innovation
  • C. Monopolies are alocatively efficient
  • D. Monopolies are productively efficient

Explanation: Schumpeter argued that monopoly profits can provide funds and incentives for research, development and innovation.

Correct answer: Monopoly profits ac as an incentive for innovation
  • A. The firm is Productively efficient
  • B. The firm is allocatively inefficient
  • C. The firm produces where marginal cost is less than marginal revenue
  • D. The firm produces at the socially optimal level

Explanation: A monopolist maximises profit where marginal revenue equals marginal cost, but price exceeds marginal cost.

Correct answer: The firm is allocatively inefficient
  • A. Equals the demand curve
  • B. Is parallel with the demand curve
  • C. Lies below and converges with the demand curve
  • D. Lies below and diverges from the demand curve

Explanation: A monopolist must lower its price to sell additional output, so marginal revenue lies below the demand curve.

Correct answer: Lies below and diverges from the demand curve
  • A. The section with the richest people
  • B. The section with the oldest people
  • C. The section with the most inelastic demand
  • D. The section with the most elastic demand

Explanation: Price discrimination is most profitable where buyers are least responsive to price, because demand is inelastic and quantity falls…

Correct answer: The section with the most inelastic demand
  • A. some degree of monopoly power
  • B. an ability to separate the market
  • C. an ability to prevent reselling
  • D. all of the above

Explanation: Price discrimination requires market power, separate identifiable market segments, and the ability to stop buyers in the low-price segment…

Correct answer: all of the above
  • A. marginal revenue equals average total cost
  • B. Price equals marginal revenue
  • C. marginal revenue equals marginal cost
  • D. total revenue equals total cost

Explanation: A profit-maximizing firm expands output while the extra revenue exceeds the extra cost and stops where marginal revenue equals marginal…

Correct answer: marginal revenue equals marginal cost
  • A. One seller of the product
  • B. low barriers to entry
  • C. close substitute products
  • D. perfect information

Explanation: Pure monopoly has a single seller and strong barriers that prevent other firms from entering.

Correct answer: One seller of the product
  • A. there is some barrier to entry to that market
  • B. Potential competitors sometimes don't notice the the profits.
  • C. the monopolist is financially powerful.
  • D. antitrust laws eliminate competitors for a specified number of years.
  • E. of all of the things described in these answers

Explanation: Long-run economic profits can persist only when entry is blocked by barriers such as patents, legal restrictions, control of key…

Correct answer: there is some barrier to entry to that market
  • A. Perfect price discrimination generates a deadweight loss
  • B. Price discrimination can raise economic welfare.
  • C. price discrimination requires that seller be able to separate buyers according to their willingness to pay.
  • D. Price discrimination increases a monopolist's profits.
  • E. For a monopolist to engage in price discrimination buyers must be unable to engage in arbitrage.

Explanation: Perfect price discrimination eliminates deadweight loss by allowing the monopolist to sell every unit for which willingness to pay covers…

Correct answer: Perfect price discrimination generates a deadweight loss