Introduction The emergence, development and perspective of Chinas stock market The theoretical and empirical perspectives of efficient stock market Statistical expression and design of tests Weak form efficient or not? tests of random walk hypothesis Seasonally anomalous or not? tests of seasonalities Semi-strong form efficient or not? tests on the announcements of zero and cash dividends Semi-strong form efficient or not? tests on the announcements of bonus and rights issues Conclusion Summary of the study Policy implications Appendix Bibliography Index.