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Free CFA Economics Practice Questions & Answers
2,050 exam-style Economics questions. Pick your answer, hit Check answer, and see the worked solution — free to start, no signup.
100% free · No login to startQuestion 1231
The demand curve facing a firm in monopolistic competition is:
Select an option first.
Correct answer: C — Downward sloping.
Explanation: ✔ Why correct: Because products are differentiated, each firm faces a negatively sloped demand curve. A: Perfect elasticity is perfect competition. B: Perfect inelasticity is unrealistic here. D: Demand curves are not upward sloping in standard theory.
Question 1232
In monopolistic competition, within certain price ranges, demand can be:
Select an option first.
Correct answer: C — Elastic at some prices and inelastic at lower prices.
Explanation: ✔ Why correct: The text notes ranges where demand is elastic and lower prices where demand becomes inelastic. A and B: Too extreme and not what is described. D: Demand is explicitly related to price.
Question 1233
In monopolistic competition, a well-defined supply curve for the firm:
Select an option first.
Correct answer: C — Does not exist in the same way as in perfect competition.
Explanation: ✔ Why correct: The text states there is no well-defined supply function; output is chosen where MR = MC, and price comes from demand. A: True for perfect competition, not here. B: ATC is a cost curve, not supply. D: Demand is not supply.
Question 1234
The profit-maximizing condition for a monopolistically competitive firm in the short run is:
Select an option first.
Correct answer: B — MR = MC.
Explanation: ✔ Why correct: As in other imperfectly competitive markets, profit is maximized where MR equals MC. A: P = MC is the competitive firm’s condition. C: P = ATC implies zero economic profit, not necessarily maximum. D: MR = ATC is not the standard condition.
Question 1235
In the short run, total revenue for a monopolistically competitive firm at price P1 and quantity Q1 is:
Select an option first.
Correct answer: B — P1 × Q1.
Explanation: ✔ Why correct: TR is price times quantity; the text explicitly describes TR as the rectangle P1 × Q1. A: Adds price and quantity, which is meaningless. C: C1 × Q1 is total cost. D: That’s profit, not total revenue.
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Question 1236
At output Q1, average cost is C1. Total cost is therefore:
Select an option first.
Correct answer: B — C1 × Q1.
Explanation: ✔ Why correct: Total cost equals average cost times quantity; the text labels TC as C1 × Q1. A: That’s TR. C: That’s profit. D: Incorrect formula.
Question 1237
Economic profit (π) is defined as:
Select an option first.
Correct answer: B — π = TR – TC.
Explanation: ✔ Why correct: The text explicitly states π = TR – TC. A and C: Wrong sign or operation. D: P – MC is a margin, not total profit.
Question 1238
At first glance, monopolistic competition appears inefficient because:
Select an option first.
Correct answer: B — Prices are higher and quantity is lower than in perfect competition.
Explanation: ✔ Why correct: The text notes that prices are higher and quantity supplied is less than under perfect competition. A: Reverses the comparison. C: They differ. D: It may resemble monopoly but does not always become one.
Question 1239
One reason monopolistic competition is common despite apparent inefficiency is that:
Select an option first.
Correct answer: B — It provides profit incentives to innovate and differentiate.
Explanation: ✔ Why correct: Differentiation gives firms incentives to innovate and experiment, potentially improving living standards. A: Opposite of what the text says. C and D: Long-run entry erodes profits.
Question 1240
Differences in consumer tastes and preferences imply that:
Select an option first.
Correct answer: B — Slight variations of goods can capture different market niches.
Explanation: ✔ Why correct: The text explains that variations (e.g., candy flavors) capture niches and match diverse preferences. A: Ignores heterogeneity of tastes. C: The text argues variety can be good. D: Trade in similar goods (cars) is observed and explained by variety preferences.
Question 1241
The example of Germany and Japan trading cars illustrates that:
Select an option first.
Correct answer: B — Variety and product differentiation drive trade even in similar goods.
Explanation: ✔ Why correct: Both countries produce good cars, yet trade occurs because consumers value variety and specific brands. A and C: Contradicted by the example. D: Consumers clearly buy foreign brands.
Question 1242
In monopolistic competition, long-run economic profit tends to:
Select an option first.
Correct answer: B — Fall to zero as new firms enter.
Explanation: ✔ Why correct: Economic profit attracts entry, which reduces demand for each firm until profit is zero. A: Barriers are low. C: Persistent losses would cause exit. D: Regulation is not the main driver.
Question 1243
In long-run equilibrium for a monopolistically competitive firm, output is chosen where:
Select an option first.
Correct answer: B — MR = MC.
Explanation: ✔ Why correct: Even in the long run, the firm sets output where MR equals MC. A: Competitive condition. C: Minimum ATC is not reached in monopolistic competition. D: Not the standard condition.
Question 1244
In long-run monopolistic competition, the price P1 at quantity Q1:
Select an option first.
Correct answer: B — Exceeds minimum average cost.
Explanation: ✔ Why correct: The text notes that long-run equilibrium occurs at a higher average cost than the minimum; Q1 < Q2 (the minimum-AC output). A: That’s perfect competition. C: P < AVC would imply shutdown. D: P > MC in monopolistic competition.
Question 1245
Compared with perfect competition, long-run output in monopolistic competition:
Select an option first.
Correct answer: B — Is lower and at above-minimum average cost.
Explanation: ✔ Why correct: Q1 (monopolistic competition) is less than Q2 (minimum AC output in perfect competition), and AC is higher. A and C: Misstate the relationship. D: Firms still produce positive output.
Question 1246
In monopolistic competition, economic cost includes:
Select an option first.
Correct answer: B — Production costs plus costs associated with product differentiation (e.g., advertising).
Explanation: ✔ Why correct: The text explicitly notes that economic cost includes differentiation costs such as advertising. A: Excludes an important component. C and D: Partial cost measures.
Question 1247
In perfect competition, advertising costs are:
Select an option first.
Correct answer: B — Zero or negligible because products are homogeneous.
Explanation: ✔ Why correct: With homogeneous products, there is little need for advertising; the text notes no advertising costs in perfect competition. A and C: Reverse the comparison. D: Not mentioned.
Question 1248
One key difference between perfect competition and monopolistic competition in the long run is that:
Select an option first.
Correct answer: B — Only perfect competition operates at minimum average cost.
Explanation: ✔ Why correct: Perfect competition forces operation at minimum LRAC; monopolistic competition settles at higher AC. A and C: Misstate who reaches minimum AC. D: Both have zero economic profit in long-run equilibrium.
Question 1249
In monopolistic competition, the long-run equilibrium quantity Q1 is:
Select an option first.
Correct answer: B — Less than Q2, the minimum-AC output.
Explanation: ✔ Why correct: The text explicitly states Q1 < Q2, where Q2 is the output that minimizes average cost. A and C: Contradict the description. D: Q1 is directly compared to Q2.
Question 1250
Which statement best describes the hybrid nature of monopolistic competition?
Select an option first.
Correct answer: B — It combines many firms and free entry with some pricing power from differentiation.
Explanation: ✔ Why correct: Many firms, low entry costs (like perfect competition), plus differentiation and pricing power (like monopoly). A, C, D: Describe other structures.
Question 1251
In the context of Porter’s five forces, the threat of substitutes refers to:
Select an option first.
Correct answer: B — Alternative products that can satisfy the same need.
Explanation: ✔ Why correct: Substitutes are different products that fulfill similar functions, affecting demand and profitability. A: Threat of entry. C: Power of suppliers. D: Power of buyers.
Question 1252
Rivalry among existing competitors is likely to be intense when:
Select an option first.
Correct answer: A — There are many firms and low differentiation.
Explanation: ✔ Why correct: Many firms with similar products typically compete aggressively on price and other dimensions. B: Monopoly has no intra-industry rivalry. C: Entry barriers affect threat of entry, not rivalry alone. D: Buyer/supplier power is separate from rivalry.
Question 1253
High switching costs for customers primarily:
Select an option first.
Correct answer: B — Strengthen a firm’s economic moat.
Explanation: ✔ Why correct: High switching costs lock in customers, deepening the moat and protecting profitability. A: They deter entry. C: They usually increase pricing power. D: Differentiation still matters.
Question 1254
In monopolistic competition, advertising mainly aims to:
Select an option first.
Correct answer: B — Convince consumers that products are different and build brand loyalty.
Explanation: ✔ Why correct: The text emphasizes advertising and branding as tools to create perceived differences and loyalty. A: Advertising is not primarily a cost-reduction tool. C: It may gain share but not eliminate all rivals. D: It can even raise effective entry barriers.
Question 1255
In long-run monopolistic competition, the presence of advertising and differentiation costs implies that:
Select an option first.
Correct answer: B — Economic cost is higher than in perfect competition.
Explanation: ✔ Why correct: Economic cost includes differentiation expenses, so average cost at equilibrium is higher than in perfect competition. A: Profit is driven to zero. C: Minimum AC is not reached. D: Entry is relatively easy.
Question 1256
Which statement best captures the consumer benefit of monopolistic competition?
Select an option first.
Correct answer: B — Greater variety and product differentiation, even if prices are higher.
Explanation: ✔ Why correct: The text stresses that consumers value variety and differentiation, even at somewhat higher prices. A: Prices are generally higher, not lower. C: Trade in similar differentiated goods is common. D: Differentiation doesn’t guarantee higher quality, only perceived differences.
Question 1257
An oligopoly market is primarily characterized by:
Select an option first.
Correct answer: B — A few firms whose pricing decisions are interdependent
Question 1258
In oligopoly markets, products:
Select an option first.
Correct answer: C — May be homogeneous or differentiated
Question 1259
A defining feature of oligopoly is:
Select an option first.
Correct answer: B — High barriers to entry
Question 1260
Oligopoly firms often have substantial pricing power because:
Select an option first.
Correct answer: B — There are few competitors
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