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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.

Due to the emergence of Web 2.0 and consequently the increased use of social media, this study aims to explore the role of social media in changing the behavior of tourists and the choice of a destination. Despite the massive popularity of social media, the studies with a comprehensive set of driving constructs along with indicators of social media regarding the changing behavior of tourists are lacking in the literature. Therefore, framed by the theory of planned behavior (TPB), the present study fulfills this research gap by developing a set of driving constructs and carrying out an empirical analysis by collecting data from millennials in the selected universities of the Czech Republic. Through the non-random sampling technique, precisely convenience sampling, 261 valid responses were received, and partial least squares-structural equation modeling (PLS-SEM) analysis was performed to achieve the objectives of this study. The results indicate that social media channels have a significant impact on behavioral intention and the actual behavior of tourists (significant direct and indirect effect). The constructs tourist information search and tourism promotion were partially supported toward predicting the behavior of tourists. Control–variables related to socio-economic characteristics such as gender and educational level also have a significant impact in determining the actual behavior of tourists. Hence, overall, the study concludes with the significant and considerable impact of social media on the behavior of tourists. The contributions of the study and future directions are discussed at the end of the paper.