Best Response

Given the other player's strategy, a best response is a strategy that yields the highest payoff.

Example

Anna and Ben can either help or leave a village infested by zombies.

Ben decides to Leave. Anna's best response is to Leave as well because a payoff of 3 is better than a payoff of 0.

Ben


Anna
Help Leave
Help 2, 1 0, 0
Leave 0, 0 3, 2

What is Ben's best response if Anna decides to Help?

He would Help. A payoff of 1 is better than a payoff of 0.

Ben


Anna
Help Leave
Help 2, 1 0, 0
Leave 0, 0 3, 2

Question

Consider the following payoff matrix:

Ben


Anna
Help Leave
Help -19, -94 90, -91
Leave 21, -52 2, 22

What is Anna's best response when Ben chooses to Help?

Anna will Leave.