2025, Set 1, Question 3 · Short · 5 points · about 12 minutes
Jewelry makers in a payoff matrix
Use a payoff matrix for two jewelry firms to check a best response and a dominant strategy and to list every Nash equilibrium. Then find how much one payoff must rise to create a dominant strategy and the maximum joint profit after a merger.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2025, Set 1 exam. It starts on page 5 of the PDF.
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 7) What the exam readers saw (Chief Reader report)
Question, scoring guidelines and Chief Reader report: College Board. The title, summary are ours.