Corporate social responsibility and green supply chain efficiency: conditioning effects based on CEO narcissism

Dependent variable: green supply chain efficiency (GSCE)

This study adopts the DEA method to measure GSCE. Since capital and labor are still the main input factors of manufacturing enterprises, this study refers to Fang and Yang (2017) to select input indicators: net fixed assets, green supply chain personnel costs. Output indicators: reutilization rate of raw materials and energy, inventory turnover rate. Environmental variable indicators: years of enterprise establishment, asset size. The rationale for the selection is as follows:

The net value of fixed assets is used to reflect the level…