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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Cycle frequency in standard Rock-Paper-Scissors games: Evidence from experimental economics
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Cycle frequency in standard Rock-Paper-Scissors games: Evidence from experimental economics

机译:标准剪刀石头布游戏中的循环频率:来自实验经济学的证据

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摘要

The Rock-Paper-Scissors (RPS) game is a widely used model system in game theory. Evolutionary game theory predicts the existence of persistent cycles in the evolutionary trajectories of the RPS game, but experimental evidence has remained to be rather weak. In this work, we performed laboratory experiments on the RPS game and analyzed the social-state evolutionary trajectories of twelve populations of N=6 players. We found strong evidence supporting the existence of persistent cycles. The mean cycling frequency was measured to be 0.029±0.009 period per experimental round. Our experimental observations can be quantitatively explained by a simple non-equilibrium model, namely the discrete-time logit dynamical process with a noise parameter. Our work therefore favors the evolutionary game theory over the classical game theory for describing the dynamical behavior of the RPS game.
机译:剪刀石头布(RPS)游戏是博弈论中广泛使用的模型系统。进化博弈论预测RPS博弈的进化轨迹中存在持续循环,但是实验证据仍然很薄弱。在这项工作中,我们对RPS游戏进行了实验室实验,并分析了N = 6个玩家的十二个种群的社会状态进化轨迹。我们发现有力的证据支持持续周期的存在。每个实验回合的平均循环频率为0.029±0.009个周期。我们的实验观察结果可以通过简单的非平衡模型进行定量解释,即具有噪声参数的离散时间logit动力学过程。因此,我们的工作相对于经典博弈论而言,进化博弈论更偏向于描述RPS游戏的动力学行为。

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