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The purpose of this study is to investigate the relationship between leadership styles and organizational effectiveness in the oil and gas industry, with a particular focus on the moderating role of knowledge acquisition capacity (KAC).

Using a survey research design, data was collected from 322 respondents comprising faculty employees in the upstream, midstream and downstream of the oil and gas sector in Ghana. The data were analyzed by using the ordinary least squares approach to structural equation modelling with the use of SPSS and Amos software.

The findings contribute to the existing body of knowledge by confirming the positive associations between transformational and transactional leadership styles and organizational effectiveness. Moreover, the study highlights the significant moderating role of KAC, shedding light on the interaction between leadership styles and the ability to acquire and integrate external knowledge.

By investigating the influence of KAC, which represents a company’s ability to acquire and integrate external knowledge, this study provides a deeper understanding of how leadership styles interact with knowledge acquisition to shape organizational effectiveness. The study makes a contribution to the upper-echelon theory and a practice-knowledge contribution for managers in the oil and gas industry in Ghana.

This study investigates the link between servant leadership and project management effectiveness in developmental projects in non-governmental organisations (NGOs). Further, this study examined the mediating role of conflict resolution and moderating role of organisational culture.

A three-wave survey of 288 non-governmental organisation (NGO) employees was used to evaluate the hypotheses. Hierarchical regression analysis and Hayes' PROCESS macro technique were used for data analysis.

In this study, servant leadership positively affects employee project management effectiveness in developmental projects in NGOs, and conflict resolution mediates the relationship. Furthermore, the results show that organisational culture moderates the positive relationship between servant leadership and employee project management effectiveness. Moreover, the authors investigated the hypotheses via a moderation mediation model. The strength of the mediated link between servant leadership and project management effectiveness (via conflict resolution) depends on organisational culture strength.

Leaders that practice servant leadership care for their employees genuinely and serve them by allowing them to make their own decisions. Every organisation may benefit from this leadership style since it encourages project effectiveness

New empirical data from this study suggests that servant leadership positively and substantially affects employee project management effectiveness in developmental projects in NGOs.

Two studies are designed to address the research questions including an experimental study and a field study. The experimental study manipulated Servant Leadership (SL vs. non-SL), leaders' Machiavellianism (H-Mach vs L-Mach), and leaders' gender (male vs. female), and measured leadership effectiveness. The second study is a survey study that collected data from employees regarding their interaction with supervisors and their perceptions of supervisors' leadership behaviors.

Leadership behaviors can correspond to or deviate from leaders' personality traits. This study aims to study the interplay of two seemingly opposite constructs in leadership – a power-pursuing and manipulation-oriented trait (i.e. Machiavellianism) and an other-oriented leadership style (i.e. servant leadership behaviors) by examining whether the effect of servant leadership behaviors on perceived leadership effectiveness varies across high and low levels of Machiavellian traits. Furthermore, built upon gender role congruency theory, the researchers pay particular attention to the (leader) gender's role in the paradox of Machiavellian traits and servant leadership behaviors.

Results from the two studies show that the relationship between servant leadership behaviors and followers' ratings of leaders' effectiveness varies with leaders' Machiavellian traits. More engagement in servant leadership behaviors serves as a remedy for high-Mach leaders to achieve leadership effectiveness, and this remedy effect tends to be greater for women leaders.

To the authors' best knowledge, this is one of the first attempts that examine the interplay of servant leadership behaviors and Machiavellianism on perceived leader effectiveness. The authors also contribute to the gender leadership literature by providing evidence for the contingencies of leaders' genders when employees evaluate leadership effectiveness with consideration for the dual demands for agency and communion from women leaders.

Information security (InfoSec) policy violations are of great concern to all organisations worldwide, especially in the financial industry. Although the importance of InfoSec policy has been highlighted for many decades, InfoSec breaches still occur due to a low level of employee compliance and a lack of engagement and competence in high-level management. However, previous studies have primarily investigated the behavioural aspects of InfoSec policy compliance at the individual level rather than the managerial factors involved in constructing InfoSec policy and developing its effectiveness. Thus, drawing on neo-institutional theory and a transformational leadership framework, this research investigated the influence of external mechanisms and transformational leadership on InfoSec policy effectiveness.

The research model was implemented using field survey data from professional managers in the financial sector.

The results reported that neo-institutional mechanisms and transformational leadership shape InfoSec policy effectiveness in an organisation.

This study broadens current InfoSec policy research from an individual level to a managerial perspective and enhances the existing literature on neo-institutional and transformational leadership in the context of InfoSec. It highlights the need to evaluate InfoSec policy based on external factors and to support transformational leadership styles that promote InfoSec policy enforcement and effectiveness.

Leaders' behavior has a critical impact on workers' safety behavior. However, previous studies have shown contradictive views on the effect of different leadership styles on safety behavior. One reason may be that the effectiveness of leaders' behavior varies according to diverse contexts. This study examines the effect of transformational and transactional leadership (TsL) on the safety behavior of on-site workers under different levels of social capital in construction projects.

Safety behavior is divided into three types: safety compliance (SC), organizational-oriented safety participation and individual-oriented safety participation (ISP). Questionnaire survey data were collected from 302 construction workers in the Chinese construction industry.

The results indicate that the positive effect of transformational leadership (TfL) of frontline supervisors on the two types of construction workers' safety participation is enhanced when social capital is high, although TfL has no significant effect on SC behavior. In contrast, TsL can promote construction workers' SC behavior and organizational-oriented safety participation and social capital positively moderating these relationships. TsL has no significant effect on ISP, but its interaction with safety behavior is positively related to ISP.

This study explains the inconsistent findings of previous research related to the role of leadership in safety behavior by introducing the social capitaltheory and distinguishing safety participation into two typesThis study is confined to one specific country, future research may benefit from investigating whether the conclusions of this study will be different in other nations with diverse cultures.

The findings of the study provide frontline supervisors with new insights into improving workers' safety and the efficiency of leadership in safety management.

This study explains the inconsistent findings of previous research related to the role of leadership in safety behavior by introducing the social capital theory and distinguishing safety participation into two types.

This study aims to investigate the healthcare sector of the United Arab Emirates (UAE) to explore the significance of servant leadership and collaborative culture in fostering social sustainability. The primary objective of this paper is to investigate how servant leadership and a collaborative culture contribute to social sustainability in health care in the UAE. With a focus on promoting well-being within healthcare organizations, the paper aims to uncover the synergies between servant leadership, collaborative culture, and social sustainability.

This paper conducted a multilayer literature review of existing literature on servant leadership, collaborative culture and social sustainability in health care, both globally and specifically in the UAE context, and a conceptual model was proposed.

Servant leadership proves to be a culturally pertinent and effective leadership model within the UAE due to its alignment with cultural values, emphasis on community support, and the robust health-care system that contributes to individual well-being. This combination establishes a solid foundation for fostering a healthy and sustainable society.

Limitations and implications are discussed. The current research has not identified the boundary conditions under which servant leadership and collaborative culture may be more or less effective. This could involve exploring industry-specific influences or contextual factors. Theoretical and practical implications are discussed.

The research seeks to unravel the interconnections between servant leadership, collaborative culture and social sustainability. To the best of the author’s knowledge, none of the studies have explored the interrelationships of these constructs, particularly in the UAE context.

The purpose of this study is to investigate the views of African higher education scholars about effective leadership and if those views reflect a unique, African meaning of leadership.

The study sought to explore the views of African higher education scholars about leadership in general and if those views reflect a unique, African meaning, that does not necessarily fit the widely accepted western theories. Using a researcher-designed questionnaire, higher education faculty and administrators were asked their understanding and beliefs about leadership. Data from quantitative responses were analyzed using descriptive statistics and t-test. In addition, qualitative answers, from one open ended question, were utilized to possibly triangulate with quantitative responses.

This study found that most research participants believe that the widely used western leadership theories are not fully applicable to Africa's context. However, the list of qualities of effective leadership, these participants suggest to be unique to Africa, included mixed attributes from Western, Non-Western and Culture-Neutral theories.

This study has some limitations. First, the data for this study was collected electronically which might have affected the potential responses from those with limited Internet connection or who have not updated their current email addresses. Second, the participants of the study are higher education professionals whose insight about leadership may not necessarily reflect the views of others from different background.

By examining leadership effectiveness in Africa's context, this study adds to the body of literature on the ongoing discussion on the topic of culture and leadership. It is hoped that the findings of the study provide important insights regarding the debate on “western vs non-western” leadership theories.

The universal understanding of leadership and the application of leadership theories across cultures have been an issue of debate for leadership scholars and practitioners around the globe. Many authors argue that the widely used leadership theories are “too western” in value and character (Bass, 1990; Hofstede, 1993; House and Aditya, 1997). This study adds the perspectives of African scholars to the ongoing debate and expands the understanding about leadership across culture.

Although significant research has examined the concept of transformational leadership, few studies have explored the indirect impact of transformational leadership on individual and organizational outcomes within the context of crisis. Accordingly, this study aims to advance our understanding of the indirect impact of transformational leadership on school performance and principals' work alienation within the context of the COVID-19 pandemic. In doing so, this study contributes to this developing stream of literature by hypothesizing the indirect effect of two relational resources, namely employee trust and relational coordination, which mediate the relationship between transformational leadership, school performance and principals' work alienation.

This study draws on a unique sample of 634 principals from Irish primary schools navigating the COVID-19 crisis. Structural equation modeling (SEM) was performed using Mplus 8.3 to test the hypothesized model.

Mixed findings emerged concerning the mediating process of relational resources and their impact on transformational leadership, school performance and principals' work-alienation. In particular, support is found for the critical role of principals whose transformational leadership style can help increase school performance. However, evidence suggests that employee trust does not mediate the relationship between transformational leadership and principals' work alienation.

This study provides several practical insights for education professionals, policymakers and HRM practitioners across each phase of the crisis management cycle. Firstly, regarding the pre-crisis stage, educational institutions should invest in targeted leadership development programs that prioritize relationship-building and effective communication among stakeholders. Second, during crises, the study emphasizes the role of relational resources in mediating the impact of leadership on school performance. Moreover, the study illustrates the importance of proactively cultivating strong connections with stakeholders, fostering timely, problem-solving-based communication. Finally, in the post-crisis phase, collaboration with government stakeholders is recommended to inform recovery policies.

This study makes several contributions to the literature on leadership and crisis management. First, this study adds new insights suggesting how principals as leaders influence school performance during crisis. Second, by adopting a relational perspective, this study suggests two types of relational resources (i.e. employee trust and relational coordination), as the mediators between transformational leadership, school performance and principals' work alienation. Third, this study moves the existing research on leadership during crisis forward by focusing on the functional effectiveness of leadership while focusing on the principals' work alienation during the pandemic.

Ethical leadership has been recognized as a critical factor in encouraging employees’ moral voices. This study offers a dual-route model to understand this process. The boundary conditions of these two routes are discussed herein.

The data originate from a multiwave, multisource survey study of 212 leader–subordinate dyads in Taiwan drawn from a variety of industry sectors.

The findings validate both the cognitive (moral efficacy) and affective (affective attachment) pathways from ethical leadership to moral voice, influenced by the organizational factor of political climate. While the moral efficacy pathway is more pronounced in a situation of weak political climate, the affective attachment pathway remains effective regardless of the climate’s strength.

Managers need to identify if their organization prioritizes rational professionalism or interpersonal affection. In the former case, they should focus on the learning effects of ethical leadership. Conversely, in the latter, the emphasis should be on the leader-subordinate relationship. Doing so optimizes the effectiveness of ethical leadership in growing moral voices.

Considering both cognitive and affective routes from ethical leadership to moral voice could integrate social learning theory (SLT) and social exchange theory (SET). Identifying factors influencing these two routes resonates with the leader–situation interaction perspective. This research deepens the understanding of ethical leadership's effects on encouraging and protecting employee moral voice.

This study aims to explore how transformational leadership influences employees' creativity by considering the role of the environment and psychology. The study aims to provide insights into the impact of transformational leadership on team innovation climate, team reflexivity, psychological capital and employee creativity while also examining the moderating effect of environmental dynamism on these relationships.

This study employed a multi-source, multi-wave approach, utilizing data from 618 participants in 118 teams. It constructed a multilevel structural equation model and estimated the confidence intervals of the mediated and moderated effects using the Markov chain Monte Carlo method.

The results of the multilevel analyses indicated that transformational leadership positively influenced the team innovation climate, team reflexivity, psychological capital and employee creativity. Moreover, the study found that environmental dynamism positively moderates the relationships among transformational leadership, team reflexivity, psychological capital and employee creativity.

Drawing on social cognitive theory and the motivated information processing in groups model, this study offers new insights into the interplay between transformational leadership and creativity. It examines the moderating role of cross-level process linkages and environmental dynamism, thereby validating and extending relevant theories.