How and when to activate hospitality employees’ organizational citizenship behavior for the environment in South Korea and Vietnam

Due to the salience of organizational citizenship behavior for the environment (OCBE) in implementing the organizational sustainability strategy, our study aims to examine mechanisms underlying hospitality employees' OCBE. The data were gathered from 459 employees and 98 supervisors from the South Korean hospitality context and 581 employees and 117 supervisors from the Vietnamese hospitality context. The results showed that, in both samples, green authentic leadership served as a mediation channel for the link between green human resource practices and hospitality employees' harmonious environmental passion, which in turn mediated the linkage between green authentic leadership and hospitality employees' OCBE. Shared green vision among managers was positively linked with green authentic leadership as well as positively interacted with green HRM practices to predict green authentic leadership. This study advances the green HRM literature by identifying green authentic leadership and harmonious environmental passion as a two-phase mediation mechanism and managers' shared green vision as a moderator for the effects of green HRM practices on employee OCBE. These results suggest to hospitality managers how to optimally promote OCBE among employees by establishing green HRM practices, facilitating the sharing of green vision and the development of green authentic leadership among managers.