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首页> 外文期刊>New Mathematics and Natural Computation >WHAT CAUSES PERSISTENCE OF STOCK RETURN VOLATILITY? ONE POSSIBLE EXPLANATION WITH AN ARTIFICIAL STOCK MARKET
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WHAT CAUSES PERSISTENCE OF STOCK RETURN VOLATILITY? ONE POSSIBLE EXPLANATION WITH AN ARTIFICIAL STOCK MARKET

机译:存货回报波动性持续存在的原因是什么?人工库存市场的一种可能解释

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This paper explores a possible cause of persistence in stock return volatility. Artificial stock markets are examined with different learning mechanisms, i.e. imitative and experiential learning. The simulation result shows that an economy with imitative learning gives rise to persistence of return volatility while an experiential learning economy does not. We find that volatility becomes persistent as investors learn through imitating the prediction methods of others. Imitation is crucial to producing the persistence in stock return volatility.
机译:本文探讨了股票回报波动持续存在的可能原因。通过不同的学习机制(即模仿学习和体验学习)来检查人工股票市场。仿真结果表明,具有模仿性学习的经济会导致收益波动的持续性,而体验性学习的经济则不会。我们发现随着投资者通过模仿他人的预测方法来学习,波动性将持续存在。模仿对于保持股票收益波动率至关重要。

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