a. Does either firm have a dominant strategy? Does this game have a unique, pure-strategy Nash equilibrium? Identify all pure and mixed-strategy Nash equilibria.
a. Does either firm have a dominant strategy? Does this game have a unique, pure-strategy Nash equilibrium? Identify all pure and mixed-strategy Nash equilibria.
Chapter1: Making Economics Decisions
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
Transcribed Image Text:### Two Firms' Profit Matrix and Nash Equilibrium Analysis
#### 2. Profit Matrix Analysis of Two Competing Firms:
Below is the profit matrix for two competing firms facing strategic decisions regarding pricing:
| | | **Firm 1** | | |
|----------------|------------------|-----------------------|------------------------|------------------------|
| | | **Low Price** | **High Price** |
| **Firm 2** | **Low Price** | 0, 2 | 2, 1 |
| | **High Price** | 7, 0 | 6, 6 |
**a. Dominant Strategy and Nash Equilibrium:**
- **Dominant Strategy:**
- A dominant strategy is one that results in the highest payoff for a player regardless of the other player's decision.
- **Firm 1:**
- If Firm 2 chooses a low price, Firm 1 would get 0 with low price and 2 with high price. Hence, Firm 1 prefers high price.
- If Firm 2 chooses a high price, Firm 1 would get 7 with low price and 6 with high price. Hence, Firm 1 prefers low price.
- **Firm 2:**
- If Firm 1 chooses a low price, Firm 2 would get 2 with low price and 1 with high price. Hence, Firm 2 prefers low price.
- If Firm 1 chooses a high price, Firm 2 would get 0 with low price and 6 with high price. Hence, Firm 2 prefers high price.
- Neither firm has a dominant strategy.
- **Nash Equilibrium:**
- **Pure-Strategy Nash Equilibrium:**
- The game has two pure-strategy Nash equilibria where both firms are choosing best responses:
- Firm 1 chooses high price; Firm 2 chooses low price (Payoffs: 2 for Firm 1 and 1 for Firm 2).
- Firm 1 chooses low price; Firm 2 chooses high price (Payoffs: 7 for Firm 1 and 0 for Firm 2).
- **Mixed-Strategy Nash Equilibrium:**
- Both firms randomize over their strategies such that each firm is indifferent to the strategies chosen by the other.
**b. Analysis with
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