The results show that Chinese CCI can powerfully predict consumers demand and has a single-direction signaling function in Beijing and Tianjin, but not in Shanghai and Guangzhou.

• 结果表明：我国CCI与北京、天津的消费需求存在显著的预测和单向信号引导关系，与上海、广州的消费需求不存在显著因果关系。