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This paper studies the duration properties of the Chinese stock market cycle. We find evidence for duration dependence in both A-share and B-share markets for whole cycles. The results reject the random-walk hypotheses for both markets. For half cycles, evidence of duration dependence for expansions in the Shanghai A-share market is found. For the Shenzhen B-share market, there is little evidence of duration dependence for half cycles. Although the Bshare market is less liquid as compared to the A-share market, the results of this study suggest that the B-share market is more efficient than the A-share market.

This paper investigates the duration dependence of the US stock market cycles. A new classification method for bull and bear market regimes based on the crossing of the market index and its moving average is proposed. We show evidence of duration dependence in whole cycles. The half cycles, however, are found to be duration independent. More importantly, we find that the degree of duration dependence of the US stock market cycles has dropped after the launch of the NASDAQ index.duration dependence, stock market cycles, moving average,

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