Purpose Green human resource management (GHRM), seen as a current research trend, plays an important role in organizations’ sustainable development strategies. However, there is still a research gap in the systematization and integration of the available GHRM-related knowledge to suggest detailed future directions. Thus, the purpose of this paper is to conduct a systematic literature review on GHRM aimed at proposing detailed research gaps and agendas for future study. Design/methodology/approach First, this work reviews 74 articles, including 61 research/empirical articles and 13 review articles, linked with the GHRM field from the Scopus and Web of Science databases. These publications are then coded and classified into ten categories before the main findings linked with GHRM knowledge are identified. Last, the study addresses existing research gaps and proposes detailed recommendations and a research framework for further studies. Findings Analysis of the relevant literature is presented in the following main sections: an overview that illustrates the existing findings related to GHRM coded and classified; a description that stresses research gaps and proposes in detail 16 recommendations; and a research framework that focuses on GHRM for a future research agenda. Originality/value This review is important for researchers orient the research in GHRM by identifying research gaps and providing detailed recommendations. It is the first work that proposes a full research framework for future studies, especially suggestions of development related to green behavior outside of organizations, the circular economy, and technology based perspectives/Industry 4.0.

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Bank risk capital (capital at risk) is identified with the value of banks’ own funds maintaining to absorb potential losses and protect against insolvency. It is calculated for the capital adequacy ratios, recommended by the Basel Committee on Banking Supervision. On other words, it is a kind of banks’ capital that financing securing the negative effects of risk occurring. A comparative analysis of effectiveness of bank risk capital in the Visegrad Group countries, constituting the main objective of the study, results from the needs indicated in the already conducted preliminary research. In the article, statistical and econometric methods were used, based on linear regression models. The conducted research were aimed to verify the research hypothesis stating that in the analyzed banking sectors of the Visegrad Group countries there is a positive correlation between banks' profitability and a level of their bank risk capital. The study indicated that net profit of the analyzed banking sectors increases with a growth of total own funds, while profitability is diversified in individual countries. Declining operational efficiency results from the growing cost of obtaining and maintaining risk capital.

The environmental concern has become an emerging topic in organization’s human resource management strategy, especially in improving employee’s environmental behavior at work. Thus, the organizational citizenship behavior toward the environment (OCBE) has been currently attracting scholars in management. However, published studies contain research gaps in investigation of the relationships between both green training and organizational culture and OCBE, especially in the hotel industry. Following the social exchange and Ability-Motivation-Opportunity theories, this study aims to examine the effects of two green practices on OCBE and the moderating role of green organizational culture to the effect of green training on OCBE. A quantitative approach with survey strategy is employed and conducted in 4-5 star hotels to test these relationships. The PLS-SEM and K-means Cluster Analysis techniques are applied to analyze data. The findings reveal that green training and organizational culture positively influence OCBE. Also, the effect of green training on OCBE is moderated by green organizational culture. Finally, our study provides limitations of research and further studies, and the implications for management practices concerned with improving employee’s voluntary eco-behavior in the hotel industry.