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A growing body of research suggests that follower perceptions of ethical leadership are associated with beneficial follower outcomes. However, some empirical researchers have found contradictory results. In this study, we use social learning and social exchange theories to test the relationship between ethical leadership and follower work outcomes. Our results suggest that ethical leadership is related positively to numerous follower outcomes such as perceptions of leader interactional fairness and follower ethical behavior. Furthermore, we explore how ethical leadership relates to and is different from other leadership styles such as transformational and transactional leadership. Results suggest that ethical leadership is positively associated with transformational leadership and the contingent reward dimension of transactional leadership. With respect to the moderators, our results show mixed evidence for publication bias. Finally, geographical locations of study samples moderated some of the relationships between ethical leadership and follower outcomes, and employee samples from public sector organizations showed stronger mean corrected correlations for ethical leadershipfollower outcome relationships.

Purpose The purpose of this paper is to examine the mediating effect of intellectual capital and innovation on the relationship between transformational and transactional leadership and organizational performance in Jordanian banks located in Irbid city. Design/methodology/approach A questionnaire that targeted 350 respondents resulted in 298 usable ones with a response rate of 85.14 percent. To test the research hypotheses, a structural equation model was conducted, in addition to descriptive statistics that provided background on the respondents. Findings The findings indicate that transformational and transactional leadership relate positively to organizational performance. The results also support the argument that intellectual capital and innovation played mediating roles in transformational and transactional leadership and organizational performance. Practical implications The present study provides managers with empirical proof that possessing strong intellectual capital in its three dimensions seems to help the banking sector in Jordan to reinforce their ability to generate both radical and incremental innovation. Also, applying an effective leadership style will motivate and lead to superior performance. Originality/value Although papers have shown that leadership style is an important factor influencing employees' performance and outcomes, this is one of the few studies that investigates the interrelationships between leadership styles, intellectual capital, and innovation on organization performance. Furthermore, it is the first to test the model on the banking sector in Jordan.

PurposeThe ambidextrous leadership model specifically describes opening and closing leader behaviors in the innovation process. This paper aims to emphasize the relevance of the ambidextrous leadership model with respect to leadership in innovation processes.Design/methodology/approachIn this longitudinal research design, 54 employees rated the ambidextrous leader behaviors and innovation performance concerning an innovation project over a period of six weeks. Traditional leadership styles (i.e. transformational, transactional, instrumental leadership, leader–member exchange) were assessed at a between-person level to identify their effects with respect to innovation performance.FindingsMultilevel regression analysis results showed that instrumental leadership as well as opening and closing leader behaviors were positively related to innovation performance. By contrast, transformational and transactional leadership as well as leader–member exchange (LMX) did not show significant associations with innovation performance.Originality/valueThe findings support the relevance of specific leader behaviors to the innovation process and therefore underline the importance of the ambidextrous leadership model.

PurposeThe purpose of this paper is to examine the mediating role of goal clarity in the relationship between leadership styles and project success. The paper draws on full-range leadership theory, and contextualizes leadership styles such as transformational leadership style, and transactional leadership style (active management by exception, and contingent reward) to temporary project environment.Design/methodology/approachData are collected (in year 2017) from 248 individuals working in ten large project-based organizations from different sectors, each having multiple units in Pakistan. Respondents comprise functional managers and individuals (who have lead or worked on projects), as well as dedicated project managers.FindingsGoal clarity partially mediates the relationship between transformational leadership style and project success. However, in case of the transactional leadership style, there is no mediation as transactional leadership style is not associated with goal clarity. Furthermore, contingent reward is positively associated to project success, while active management by exception is negatively associated to project success.Originality/valueResearch suggests that the underlying mechanisms of the relationship between leadership styles (transactional and transformational) and project success are less clear and need to be further explored. This study contributes to literature by answering such calls, and examines possible underlying mechanisms (i.e. goal clarity) in the relationship between leadership styles and project success.

Leadership performances develops closely connected to the institutional behaviour and societal culture given the permanent trends to implement changes to update standards according to existing norms and rigors existing in any company. The styles adopted in managing or leading the activities influences the tasks’ achievement, the future path to take and the way success is understood, accepted, shared and disseminated. Nowadays, companies face compulsory the influences of more cultures, given the temptation of delocalisation, the curiosity of working with immigrants, the advantages provided in different situations of accepting a higher exposure of leader to different sides of performance, different dimensions of market and financial profits, new behaviours in managing the employees. Starting from this idea, the purpose of this study is to identify and enquire into the hidden dimensions of organizational culture and how the leadership style impacts the strategic developing and let effective relations spring out.The research is built on a survey based on designed questioner applied to 550 leaders and employees, members of the operation and Maintenance Company of MAPNA (QM) in Iran. Data collected refers to MLQ leadership style and Denison's Organizational Culture Questionnaire, and the responses received were analysed with SPSS and Smart Plus software. The findings reveal that the relationship between the leadership style and the organizational culture are strongly linked to each other. Therefore, those leaders able to change and accept to use a transformational style will assist the company to move forward faster that those who adopt and keep the transactional style as the single one to prove important.

Purpose The purpose of this study is to examine the effect of the transformational and transactional leadership styles and its sub-dimensions on exploitative and exploratory innovations. The authors deepened the analysis by highlighting the contribution of ambidextrous leadership on ambidextrous innovation. Design/methodology/approach The conceptual model defined through a thorough review of the literature is tested empirically on a sample of 265 senior managers working in Tunisian knowledge-intensive firms (KIFs). A quantitative analysis is performed via a questionnaire. The analysis of the data collected is carried out using the partial least squares method. Findings Results show that exploratory innovation is linked to transformational leadership and in particular to individualized consideration, intellectual stimulation and inspirational motivation. Moreover, exploitative innovation is promoted by transformational and transactional leadership styles and particularly by attributed idealized influence and contingent rewards. Also, ambidextrous leadership affects positively ambidextrous innovation. Originality/value While little studies have investigated how the transformational and transactional leadership styles as constructs of second-order influence differently exploitative innovation and exploratory innovation, this research deepens the analysis by focusing on sub-dimensions of leadership styles that promote each type of innovation within KIFs. It also pioneers the investigation of the effect of ambidextrous leadership on ambidextrous innovation that has never been explored. This research provides important insights for leaders of KIFs and sheds the light on the key aspects of leadership that boost ambidextrous innovation.

Innovative behavior is increasingly important for organizations' survival. Transformational leadership, in contrast to transactional leadership, has been argued to be particularly effective in engendering follower innovative behavior. However, empirical evidence for this relationship is scarce and inconsistent. Addressing this issue, we propose that follower psychological empowerment moderates the relationship of transformational and transactional leadership with follower innovative behavior. In a field study with 230 employees of a government agency in the Netherlands combining multisource ratings, we show that transformational leadership is positively related to innovative behavior only when psychological empowerment is high, whereas transactional leadership has a negative relationship with innovative behavior only under these conditions.

Purpose The purpose of this paper is to answer the following two questions: What are the influences of the top managers’ different leadership styles on organizational innovation? What is the mechanism by which the different leaderships exert different effects on organizational innovation? Design/methodology/approach To test the hypothesized model, a data set based on 133 MBA part-time students from Tsinghua University and Zhejiang University in China was built, after interviewing several top managers as a pilot study. With the help of SPSS macro, hierarchical regression and bootstrapping analysis, the paper analyzes the effects of two leadership styles on innovation performance, through the mediation mechanism of openness involving open breadth and open depth. Findings The results indicate that transformational leadership enhances, while transactional leadership reduces, the organizational innovation performance. The openness breadth and openness depth not only mediate the beneficial effect of transformational leadership on innovation, but also mediate the deleterious effect of transactional leadership on innovation. Originality/value This study empirically explores the different functions of transformational leadership and transactional leadership for leading organizational innovation performance. Furthermore, a new form of organization is an open design or strategy that allows more external knowledge and resources to be absorbed, which is claimed as a new paradigm for organization innovation. This study integrates the concepts of breadth of openness and depth of openness on the basis of open innovation literature, as an intermediate mechanism to explain the different effects of the two forms of top managers’ leadership.

PurposeThe purpose of this research is to identify the effect of transformational leadership and transactional leadership on task performance, as well as the mediating role of psychological empowerment.Design/methodology/approachA questionnaire survey was sent to 177 academic staff in a Public University in Malaysia. The data were analysed using SmartPLS 3.2.9.FindingsThe results show that only psychological empowerment is positively associated with task performance. Unexpectedly, transformational leadership and transactional leadership have no direct effect on task performance. However, there is an indirect positive relationship between leadership styles and task performance, whereby this relationship is mediated by psychological empowerment. Furthermore, both leadership styles positively influenced psychological empowerment.Research limitations/implicationsThis study was conducted among academicians from Public Universities in Malaysia using two types of leadership styles. Therefore, it is recommended for future study to include academician from private universities and also to consider more leadership styles dimensions. The finding of this study shows that R2 was 35.3% for psychological empowerment; according to Cohen (1988), this percentage indicates substantial predictive accuracy in explaining psychological empowerment. Nevertheless, it would be interesting to explore other factors.Practical implicationsEmpowered employees were highly responsible, put extra work effort and creative in doing their jobs, which tends to increase their performance at work. It is also found that psychological empowerment has the highest and largest effect, contributing to task performance (f2 = 0.389).Originality/valueThe inconsistencies of the previous studies' results provide evidence and opportunities for this study to review by including the mediating variable of leadership styles and task performance relationship.

Prior research is equivocal about whether leadership is more effective when it matches typical cultural practices (the cultural congruence argument) or compensates for \"ineffective\" cultural practices (the cultural compensation argument). We propose that a more nuanced answer to the congruence-versus-compensation debate requires the joint consideration of leadership, culture, and task contexts. A meta-analysis of 460 field samples of transformational leadership (N = 124,646) and 139 field samples of transactional leadership (N = 38,327) across 53 cultures revealed three key results: First, both transformational and transactional leadership universally relate positively to follower performance outcomes. The strength of these relationships ranges between 0.25 and 0.39 for transformational leadership and between 0.12 and 0.24 for transactional leadership. Second, the positive effects of transformational leadership on convergent performance outcomes are more pronounced in cultures characterized by norms of vertical differentiation (including high power distance) and harmony (including collectivism), consistent with the cultural congruence perspective. Third, the positive effects of transactional leadership on divergent performance outcomes are more pronounced in cultures characterized by norms of low performance-focus (including low uncertainty avoidance), consistent with the cultural compensation perspective. We discuss the implications of these findings for transformational and transactional leadership research and practice.