This paper is an empirical study on the volatility of stock market in china-based on the long-term memory theory.

本文主要研究基于长记忆性的中国股票市场波动性的实证分析。股票市场充满不确定性。

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But empirical research is limited to the country's 21 major cities, the sample time span long enough, conclusion of the study the reliability and universal yet to be tested.

但实证研究仅限于全国21个重点城市，样本的时间跨度也不够长，研究结论的可靠性和普遍性还有待检验。

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