...本人1970年在罗伯茨基础上提出的有效市场分类法（实际上是基本吸收了罗伯茨的分类方法——笔者注）,将弱式检验(weak-form tests) 扩展为收益可预测性检验( tests for return predictability), 检验范围从原来检验过去收益的预测力扩大到检验各种收益变量(如红...
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同时检验了收益率序列的随机性，检验结果说明沪深股票市场基本达到弱式有效。
We also verified stochastic feature of return time series, from results we see that Chinese stock market is weak form efficient.
分阶段检验上海股市的随机性，从而得出上海股市有效(弱式)的结论。
According to stages, we test the stochasticity of Shanghai Stock Exchang in this paper, then make a conclusion that the market is efficient (weakly).
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。
According to the classic taxonomy of information sets, efficient market is classified as weak-form, semistrong-form and strong-form.
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