From the perspective of the Chinese market microstructure, we took Chinese A-share listed companies as samples to explore the impact and mechanism of stock liquidity on the quality of corporate environmental information disclosure (EID). Our results indicated that stock liquidity has a positive impact on the quality of corporate EID. Using the stock market interconnection events of the 2014 Shanghai-Hong Kong Stock Connect and the 2016 Shenzhen-Hong Kong Stock Connect as a quasi-natural experiment and applying the Ⅳ approach, the research resu...