“…This variable was measured with a seven-point Likert-type scale reflecting managers' perceptions of the firm's level of achievement of environmental objectives (1 = "very low", 2 = "low", 3 = "quite low", 4 = "average", 5 = "quite high", 6 = "high", and 7 = "very high") as compared to competitors in their specific subsector. Specifically, it includes five items adapted from previous studies [96] also validated in recent literature (e.g., [37,71,73]), i.e., 'Reduction in the consumption of materials for service provision', 'Reduction in the energy consumption for service provision', 'Reduction in the time required for service provision', 'Reduction in the environmental impact', and 'Improvement of equipment efficiency'.…”