Nash Equilibrium

No one wants to switch

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Nash equilibrium: nobody can gain by changing only their own strategy.
• Games can have one equilibrium or several. Equilibria need not be good for everyone.
• Check each outcome for a profitable one-sided switch.

Steps

1. Which side of the road?
2. Nash equilibrium
3. Find the equilibrium
4. Matching pennies
5. The penalty kick
6. Stag hunt