Up Down Player 1 Up Down Up Down Player 2 In the game above, what is/are the sub-game perfect Nash equilibrium? (up,up) (up,down) (down, up) (down, down) No equilibrium exists P1 gets $100 P2 gets $100 P1 gets $10 P2 gets $110 P1 gets $15 P2 gets $15 P1 gets $65 P2 gets $10

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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### Game Theory Decision Tree and Nash Equilibrium

The diagram displayed is a decision tree representing a two-player game. Each player has two choices: "Up" or "Down".

**Player 1's Options:**
- **Up:** 
  - Both Player 1 and Player 2 receive $100 each.
- **Down:** 
  - Player 2 now has their own choice:
    - **Up:** 
      - Player 1 receives $10, Player 2 receives $110.
    - **Down:** 
      - Player 1 receives $65, Player 2 receives $10.

**Question:**
Given the game above, what is/are the sub-game perfect Nash equilibrium?

**Answer Choices:**
- (up, up)
- (up, down)
- (down, up)
- (down, down)
- No equilibrium exists

This setup illustrates the concept of sub-game perfect Nash equilibrium where the players make optimal decisions at every point in the game.
Transcribed Image Text:### Game Theory Decision Tree and Nash Equilibrium The diagram displayed is a decision tree representing a two-player game. Each player has two choices: "Up" or "Down". **Player 1's Options:** - **Up:** - Both Player 1 and Player 2 receive $100 each. - **Down:** - Player 2 now has their own choice: - **Up:** - Player 1 receives $10, Player 2 receives $110. - **Down:** - Player 1 receives $65, Player 2 receives $10. **Question:** Given the game above, what is/are the sub-game perfect Nash equilibrium? **Answer Choices:** - (up, up) - (up, down) - (down, up) - (down, down) - No equilibrium exists This setup illustrates the concept of sub-game perfect Nash equilibrium where the players make optimal decisions at every point in the game.
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