“…Further, a sample size of 86 firms limits generalization from our results. Third, although GI is closely linked to a firm's overall R&D investment and although R&D investment is widely accepted in environmental management research (e.g., Alam et al, 2019; Lee & Min, 2015; Zhu, Zhu, Xu, & Xue, 2019), future studies should use the more precise measure of green R&D investment (which is related directly to GI). Finally, future studies should analyse other factors to complement our analysis of moderation by EMS and R&D investment.…”