“…They find it has an asymmetric effect—caused by the unbalanced development of the two stock markets—on the Mainland Chinese and Hong Kong stock markets. Further, the co‐movement between the Mainland Chinese and Hong Kong stock markets intensified with the implementation of the SH–HK–SC program (Nishimura, Tsutsui, & Hirayama, 2018; Ruan, Zhang, Lv, & Lu, 2017). Although the SH–HK–SC program does significantly affect the economic activity and stock market of Mainland China, its effect on the co‐integration relationship between the Mainland Chinese and Hong Kong stock markets is weak and unstable (Huo & Ahmed, 2017).…”