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    Pathway to energy transition and sustainable environmental development and management: Analysis of hydropower energy policy as part of climate actions
    (Pergamon-Elsevier Science Ltd, 2025) Yazici, Ayse Meric; Udemba, Edmund Ntom; Oztirak, Mesut; Bayram, Vildan; Mei, Yu
    Achievement of sustainable development in both economic and environment performance involves engaging a clear cut climate actions which can be emulated by other countries in forming their climate goal policies. On this note, this study seeks to examine the environmental implication of hydropower energy policy on environment sustainable development and management of the 10 largest hydroelectric energy generating countries. By extension, the study examines the possibility of achieving hitch-free energy transition through hydropower energy sources. A study of the 10 largest hydroelectric energy producing countries is vital in framing policy based solution to environmental problems, and advice on easy way to achieve climate goal. Following the nature of this study and to derive home the objectives of the study, methods such as slope homogeneity and cross-sectional dependence (CSD) tests were applied, followed by the unit root and cointegration tests with the causality and long-run relationship. Findings from the long run relationship between the dependent variable and the independent variables are: The findings show that the N-shaped environmental Kuznets cure (EKC) hypothesis is confirmed. Also, the level of hydroelectric power generation increases in these countries, carbon dioxide (CO2) emissions level decreases. Again, as the level of financial development increases, CO2 level also increases. However, according to the results from causality tests, there is a one-way causal link from hydroelectric power generation to carbon emissions, and from financial development to carbon emissions. Further, a two-way causal relationship was found between economic growth and CO2. The policy makers will pay strict attention to this development and regulate the influence of financial development to balance the sustainable development between economic growth and environment.
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    The Mediator Role of The Organizational Culture in The Relationship between Charismatic Leadership and Corporate Reputation
    (Sciendo, 2023) Yazici, Ayse Meric; Oztirak, Mesut
    Background and purpose: This study aims to reveal the mediating role of organisational culture in the relationship between charismatic leadership and corporate reputation.Methodology: The universe of the study consists of health sector workers working in Istanbul. The analysis of the data obtained from the survey application of the data collected from 405 employees in the five-point Likert scale was carried out with SPSS 26.0 program, and a 95% confidence level was studied. Frequency and percentage statistics for categorical variables, mean, standard deviation and minimum and maximum statistics for numerical variables are given. In the study, the mediation model was tested with Proces Hayes Regression. Non-hierarchical clustering was used to divide the sample into groups using scale scores, and the Chi-square test was used to relate demographic characteristics with the determined groups.Results: According to the analysis results, it was concluded that organisational culture has a mediating role in the effect of charismatic leadership on corporate reputation. The results of the mediation role model are mediated by organisational culture in the effect of charismatic leadership on corporate reputation. According to the clustering analysis results, corporate reputation, charismatic leadership, and organisational culture scores are statistically significant variables for clustering.Conclusion: Together with these results, it is thought that drawing attention to the charismatic leadership behaviours in the health sector and arranging the organisational culture in a way to adapts to it positively affect the corporate reputation perception of the enterprises in line with the proposed solutions and attracts attention will make a positive contribution for both employees and individuals who will prefer health enterprises.