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Testing the TASP: An experimental investigation of learning in games with unstable equilibria

机译:测试TASP:对不稳定平衡游戏中学习的实验研究

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摘要

We report experiments studying mixed strategy Nash equilibria that are theoretically stable or unstable under learning. The Time Average Shapley Polygon (TASP) predicts behavior in the unstable case. We study two versions of Rock-Paper-Scissors that include a fourth strategy, Dumb. The unique Nash equilibrium is identical in the two games, but the predicted frequency of Dumb is much higher in the game where the NE is stable. Consistent with TASP, the observed frequency of Dumb is lower and play is further from Nash in the high payoff unstable treatment. However, Dumb is played too frequently in all treatments.
机译:我们报告的实验研究混合策略纳什均衡理论上学习稳定或不稳定。时间平均Shapley多边形(TASP)可以预测不稳定情况下的行为。我们研究了剪刀布的两个版本,其中包括第四个策略“哑巴”。在两个游戏中,唯一的纳什均衡是相同的,但在NE稳定的游戏中,Dumb的预测频率要高得多。与TASP一致,在高回报不稳定治疗中,观察到的Dumb发生频率较低,而演奏距离Nash较远。但是,在所有治疗中,哑巴演奏都过于频繁。

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