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Research on organizational sustainability (OS) remains a global debate. Consequently, organizations have become increasingly interested in adopting leadership styles to drive sustainability goals. Thus, in the present study we examined the impact of green transformation leadership (GTL) on OS and its dimensions (environmental, social, and economic), focusing on the mediating role of green talent management (GTM). We employed a quantitative methodology, using questionnaires for data collection and SPSS (version 25) and AMOS (version 23) for data analysis. The sample consisted of lower-level leadership, including executive management and department heads from Egypt’s renewable energy organizations. We gathered 250 valid responses. The findings indicate that GTL has a positive impact on OS both directly and indirectly through GTM. Also, we found that GTM mediates the relationship between GTL and OS. These findings strengthen the view that the effectiveness of GTL is fundamentally reflected in the adoption of sustainable strategies and is the cornerstone for enabling an organization to achieve OS. Our research addresses a gap in the literature by examining the impact of GTL on OS while considering the impact of GTM, which previous researchers did not consider. In addition, we provide managerial implications for renewable energy organizations as well as limitations and directions for future research.

The purpose of this study is to analyze the impact of overeducation on several job attitudes and outcomes. The study is based on cross-sectional survey data from 398 Saudis in the labor market. Drawing upon a person-job fit theory, two different self-assessments—direct self-assessment and indirect self-assessment—are used to examine how overeducation influences job satisfaction, organizational commitment, turnover intentions, and job performance. The results of the hierarchical regressions suggest that overeducation across the two measures is significantly negatively related to job satisfaction and organizational commitment, while significantly positively related to turnover intentions, even after controlling for different confounding variables. However, no significant impact was found for job performance. Furthermore, despite the slight differences in terms of the magnitudes of their effects, the two self-assessment measures of overeducation largely overlap and yield similar conclusions. These findings confirm that except for job performance, overeducation—as a form of person–job misfit—is an important predictor of job attitudes and outcomes. The current study extends the existing literature by providing comparative empirical evidence on the impact of overeducation in Saudi Arabia

Marketing and strategy research has given a lot of importance to the study of product and service quality improvement. This has been widely studied in the literature as an appropriate competitive strategy to ensure customer satisfaction in the marketplace and gain a sustainable competitive advantage. In this paper, first, we have opted for an extensive review of marketing literature, quality of service and consumer satisfaction. Next, we propose to determine the factors that may affect customer satisfaction in the telecommunications industry in Tunisia. Indeed, each organization chooses to succeed in its strategy of satisfying its customers and to prevent the risk of losing them. Our empirical results indicate that most customers are satisfied with the quality of service provided to them, and most customers believe that Tunisie Telecom's service quality is above their expectations. Quality of reception at the counters of Tunisie Telecom's agencies is the key element for the success of the quality improvement project and is the major factor that can strongly influence client satisfaction and behavior.