“…The diverse range of studies which analyze the link between CEP and CFP covers various measures, data, theories, methods, directions of causality, as well as plant, industry, and country specific contexts. While many studies demonstrate a positive relationship, e.g., [5][6][7], others provide evidence for a negative link between CEP and CFP, e.g., [8][9][10]. Furthermore, insignificant findings appear as well [11], e.g., [12].…”