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Question 1
Two symmetric duopolists compete in quantities (Cournot competition) facing market inverse demand P = 120 - Q, where Q = q1 + q2. Both firms have constant marginal costs MC = 12 and no fixed costs. What is the Nash equilibrium output for each firm and the resulting market price?
Correct Answer:
Each firm produces 36 units; market price is 48
Question 2
Two firms produce identical homogeneous goods and compete simultaneously on price (Bertrand duopoly). Both firms have constant marginal cost MC = $15 per unit. Which outcome characterizes the unique Nash equilibrium of this market?
Correct Answer:
Both firms set price equal to marginal cost ($15) and earn zero economic profit
Question 3
In a Bertrand price-competition game with asymmetric constant marginal costs, Firm 1 has MC1 = $10 and Firm 2 has MC2 = $15. Goods are perfectly homogeneous. Assuming prices can be quoted in smallest monetary increments (e.g. cents), what is the Nash equilibrium market price and market allocation?
Correct Answer:
Firm 1 sets price just below $15 (e.g., $14.99) and captures the entire market
Question 4
In a Stackelberg sequential quantity-setting duopoly with inverse demand P = 100 - Q and MC = 10, Firm 1 chooses output first and Firm 2 chooses output second. What is the equilibrium output of the leader (Firm 1) and follower (Firm 2)?
Correct Answer:
Firm 1 produces 45 units; Firm 2 produces 22.5 units
Question 5
In a standard simultaneous-move Prisoner's Dilemma matrix game between two firms deciding whether to Cooperate (maintain high price) or Defect (cut price), which statement correctly describes a strictly dominant strategy?
Correct Answer:
Defecting yields a higher payoff for a player regardless of the strategy chosen by the opponent
Question 1
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Prepare with the H3 Economics Practice Questions - Singapore GCE Exam - H3 Economics Exam practice quiz. This question bank includes 100 questions covering price, market, firm, trade, and equilibrium. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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H3 Economics Practice Questions - Singapore GCE Exam - H3 Economics Exam

This practice set contains 100 questions from the matching question bank and focuses on price, market, firm, trade, and equilibrium. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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