| 41. | This is what is now known as a Nash equilibrium.
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| 42. | Therefore this Nash equilibrium can be eliminated by backward induction.
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| 43. | The only possible Nash equilibrium is to always defect.
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| 44. | In fact, strong Nash equilibrium has to be Pareto-efficient.
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| 45. | This also satisfies the requirements of a Nash equilibrium.
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| 46. | The game will have at least one Nash equilibrium.
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| 47. | This game has no pure strategy Nash equilibrium.
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| 48. | Note that option 3 is a Nash equilibrium!
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| 49. | Today, the idea of a " Nash equilibrium " is a central concept in game theory.
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| 50. | This satisfies the requirements of a Nash equilibrium.
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