“…Given that exposure to toxic pollutants has adverse health effects, the opening of a toxic emitting plant could trigger the migration of workers from neighboring firms and this migration could harm the firm from which they are separating. While research shows that people migrate away from polluted areas (Chen, Oliva, and Zhan 2017) and shareholders, households, firms, and markets react to environmental factors (e.g., Flammer 2013;Agarwal Sing, and Yang 2019;Agarwal, Wang, and Yang 2019;Chang et al 2019;Li, Massa, Zhang, and Zhang 2019), we are unaware of systematic research into the impact of pollution on the migration of highly-valued employees and the resultant effects of those separations on their former firms.…”