Efficient Market Hypothesis was matured in the 1970s. According to the hypothesis, the efficiency of the securities market can be divided into three levels: weak-form efficient, semistrong-form efficient and strong-form efficient.
有效市场假说成熟于20世纪70年代，该假说将证券市场的效率分为三个层次：强势有效、半强势有效和弱势有效。
参考来源 - 有效市场假说及其在我国股票市场的实证检验·2,447,543篇论文数据，部分数据来源于NoteExpress
According to the corresponding different information collection, the efficient market was divided into three kinds: weak form market, semi-strong form market and strong form market.
根据对应的信息集的不同，人们将有效市场分为三类：弱式有效市场、半强式有效市场和强式有效市场。
According to the classic taxonomy of information sets, efficient market is classified as weak-form, semistrong-form and strong-form.
针对我国天然胶期货市场的实际情况，本文将只进行弱式有效检验。
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