随机漫步理论

但是，近年来均值回归理论对随机漫步理论提出了挑战。

But , in recent years , Average Value Return Theory gave a challenge to the Random Walk Theory .

随机漫步理论认为股票的价格是不能预测的，许多实证检验的结果也支持了这一结论。

Random Walk Theory thinks that the price of the shares is unpredictable , and many concrete examples have already proved this conclusion .

随机漫步理论认为过去的价格不影响将来的市场行为。

Proposes that past prices are no indication of future market activity .

随机漫步理论的诞生与许多实证检验的支持证明了股票价格是不能预测的结论。这个理论本身和社会实践均有一个不断发展的过程。这些概念和理论为不确定性信息理论奠定了基础。

The conclusion that it is impossible to predict the stock price is based on the establishment of the theory of random walk and many facts .

分散投资理论的预期结果被观察到，罗伯特·希勒对市场有效性理论、随机漫步理论的质疑被观察到；

And some valuable conclusions are drawn out : dispersed investment theory , Robert 's doubts on ' validity of market theory ' , ' random stroll theory ' become conscious .