“…External factors mainly refer to the pressure of stakeholders, such as external supervision, institutional elements, and social organizations [15]. Third, from a micro-perspective, the authors of related literature have investigated the impact of EID on corporate financial performance [16][17][18][19], corporate risk [20], environmental performance [21][22][23], location choice [24], and innovation [25]. Whether environmental regulation policies can induce innovation has always been a hot topic of research, and their views are not uniform.…”