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This paper aims to examine the influence of the interplay between servant leadership behaviors and Machiavellianism on leader effectiveness.

Drawing on trait activation theory and motivation to lead theory, the authors hypothesize that the effect of servant leadership behaviors on perceived leadership effectiveness is manifested differently in teams with high-Machiavellian vs. low-Machiavellian leaders. In teams with low-Machiavellian leaders, servant leadership behaviors are expected to be associated with a cooperative way of handling team conflicts, which enhances employees' leader effectiveness ratings. In contrast, in teams with high-Machiavellian leaders, this mediation role vanishes due to the incongruency between Machiavellian traits and the cooperative context. The authors conducted a two-wave survey-based study and tested the hypotheses with a matched supervisor-employee sample from 310 employees and their leaders in 91 teams.

The results showed that servant leadership behaviors positively impact leadership effectiveness and that this effect takes place through cooperative team conflict management (TCM) without controlling for leaders' Machiavellian trait. Further analysis shows this mediation mechanism is only strong and significant in teams led by low-Machiavellian leaders, but not high-Machiavellian leaders.

To the authors’ best knowledge, this is the first study that examines the interplay of servant leadership behaviors and Machiavellianism on perceived leader effectiveness.

本文旨在探討僕人式領導行為與馬基雅維利主義之間的相互作用會如何影響領導效能。

我們根據特質激活理論和領導動機理論、建立了一個假設，這個假設就是： 僕人式領導行為對感知的領導效能所產生並顯示出來的影響、是會視乎團隊是高/強馬基雅維利主義，還是低/弱馬基雅維利主義而有所分別的。若團隊的領導者是低/弱馬基雅維利主義的話，僕人式領導行為大概會與使用合作的方式去處理團隊衝突有相互之關聯，這會提高僱員對領導效能的評分。與此相反，若團隊的領導者是高/強馬基雅維利主義的話，這調節作用和角色將會因馬基雅維利主義的特質與合作的環境之間存在著不協調而消失。我們進行了一個兩波的、以及基於調查的研究，在這研究中，我們利用管理者和員工相應的樣本來測試各個假設;這些樣本包括91個團隊內的310名員工及其領導者。

研究結果顯示、僕人式領導行為對領導效能會產生積極的影響，而這影響是透過以合作方式管理團隊衝突而產生的，亦沒有對領導者的馬基雅維利主義特質加以管控。我們進一步的分析顯示、這調節機制只會在由低/弱馬基雅維利主義的領導者領導的團隊內顯得強烈和顯著，但若領導者是高/強馬基雅維利主義的話，情況就不一樣了。

盡我們所知，本研究為首個研究、去探討僕人式領導行為與馬基雅維利主義之間的相互作用會如何影響感知的領導效能。

The purpose of this paper is to investigate the effect of leaders’ positive emotions on their followers’ perceptions of leaders’ effectiveness through a serial mediation mechanism that employed followers’ positive emotions and leaders’ helping behaviors as mediators.

This study is quantitative in nature. The data for it were collected from supervisors and subordinates in the restaurant and hotel industries of Pakistan. This study used a mix of convenient and purposive/judgmental sampling and the sample consisted of 400 dyads.

This study has found statistical support for all its hypotheses. In particular, the results of this study have demonstrated that followers’ emotions and leaders’ helping behaviors mediate the relationships between leaders’ positive emotions and followers’ perceptions about their leaders’ effectiveness, acting in the form of a chain.

This study has implications for organizational leaders who are in the process of implementing emotional regulation in the workplace.

This is one of the few studies that has tested a serial mediation model to examine the conditions under which leaders’ positive emotions determine their effectiveness.

Leaders often provide negative feedback to underperforming followers with the intention of helping improve their performance. However, the anger expression that is often involved in the delivery of the feedback may cause followers to infer negative intentions and, thus, harm the effectiveness of the leader. The purpose of this paper is to examine, from a relational perspective, the condition under which the negative effect of leader anger expressions on leader effectiveness can be alleviated.

Data were collected from 355 participants in total through two main studies and two validation studies.

The author found that leader anger expression in negative feedback delivery had detrimental effects on leader effectiveness through follower-inferred negative intentions. More importantly, the detrimental effects of leader anger expressions on leader effectiveness were alleviated when followers had high levels of trust in their leaders.

Integrating leader emotion and trust literatures, the present research is the first to examine from a relational perspective (i.e. follower trust) the boundary condition under which leader anger expressions influence leader effectiveness.

The beginning of the twenty-first century was plagued with extensive, evasive, and disheartening U.S. business and political leadership failures. Despite the accounting profession’s standards of professional ethics, accounting as a profession also was tainted with various ethical leadership indiscretions during this time. In response to these ethical leadership failings, renewed interest in developing accounting professionals with strong ethical principles and ethical leadership behaviors emerged. In many firms, training and development in ethical behavior is now at the forefront of communications and professional development efforts. The question remains, however, can the profession instill in its members the importance of ethical conduct? Can ethical leaders be developed who model ethical behavior? In response to the call for leaders who are ethical and moral, this research examined a model of ethical leadership and its impact on leader effectiveness for leaders within the accounting profession. The analysis shows that ethical and transformational leadership behaviors make independent and significant contributions to explaining leader effectiveness.

Ethical leadership is of great interest in the accounting profession. After numerous ethical and moral leadership failures over the last two decades, where accounting professionals played a significant role in the fraudulent behaviors that impacted individuals, businesses, and the economy as a whole, the profession has renewed its focus on promoting ethical behavior. To date, research contributing to improving ethical behavior in the accounting profession has been minimal. A plethora of research has identified the deficiency of ethical reasoning and conduct in accounting students and professionals but has provided minimal recommendations on how to improve the status quo. Earlier studies have also found that values based, ethical and transformational leadership behaviors contribute to leader effectiveness in the accounting and business professions. What has not been studied or identified are the specific ethical and transformational leadership behaviors that should be sought or developed in professionals that would improve the ethical conduct and effectiveness of accounting leaders. This study seeks to address the gap in the literature by using neuro network analysis to understand the individual components of ethical and transformational leadership that result in leaders that are more effective in the profession. It concludes that in this study of 212 accounting professionals, ethical leaders that: (a) communicate openly, (b) are trustworthy, (c) consider and support their subordinates’ interest and (d) are altruistic, with a selfless concern for the well-being of others and transformational leaders that encourage their followers to think creatively are innovative are more effective leaders.

This study aims to examine whether the internal locus of control, self-esteem and leadership self-efficacy can predict differences in self–other rating agreement on leader effectiveness. First, the authors predicted that the greater the internal locus of a leader the more their self-rating will be in agreement with others' rating of them (1a). Second, the authors proposed that the greater the self-esteem of a leader the more their self-rating will be in discrepancy with others' rating (1b). Third, the authors hypothesized that the greater the self-efficacy of a leader the more their self-rating will be in agreement with others' rating (1c).

To test the hypotheses, multisource data were collected from 128 banking leaders (who responded about different aspects of leadership self-efficacy, internal locus of control, self-esteem and leadership effectiveness) and 344 subordinates (who rated their leaders' effectiveness in performing leadership tasks).Multivariate regression was performed by jointly regressing both leaders' self-ratings and subordinates' ratings as a dependent variable on internal locus of control, self-esteem and leadership self-efficacy as predictor variables.

Self-esteem of a leader the more their self-rating will be in discrepancy with others' ratings.

The study tried to investigate the leader-subordinate dis(agreement) on leaders’ effectiveness taking banking leaders in the Ethiopian Context. The finding of the results is crucial and important for leadership development programs.

Recent years have seen an increasing interest in leader’s use of humor among organizational scholars. In this regard, leader positive humor has been shown to be related to leader effectiveness. However, to date there is limited theoretical and empirical attention regarding the relationship between self-deprecating humor in particular and leadership effectiveness. As such, the purpose of this paper is to examine the impact of leader’s self-deprecating humor on follower’s perceptions of leader effectiveness. In doing so, the authors also encompassed trust in leader as a mediator.

Data were collected from three different samples. The authors examined the hypotheses using hierarchical regression, bootstrapping analysis and Sobel test.

Results produced consistent evidence that the use of self-deprecating humor by the leader positively affects his/her perceived effectiveness and that this relationship is partially mediated by trust in leader.

A main limitation of the present research relates to its cross-sectional design that cannot infer causality. In addition, data were gathered from a single source. As such, this may raise the possibility of common method bias.

The present paper contributes to the limited theoretical and empirical organizational research regarding the role of leader self-deprecating humor. More specifically, this is the first study, to the best of authors’ knowledge that links this type of humor to his/her effectiveness.

The present paper intends to study the relationship between Machiavellianism and effectiveness. It investigates the parallel mediating effects of self-esteem and ethical leadership on Machiavellianism and leader effectiveness.

The study was administered to 260 managers from the banking sector. Statistical tools, like descriptive statistics, Pearson product moment correlation, reliability analysis, validity analysis and parallel-mediated regression analysis, were used to analyze the data. Drawing from the conservation of resource (COR) theory, a parallel mediation model was empirically tested.

The study found a negative association between Machiavellianism and leader effectiveness, and the parallel mediating impact of self-esteem and ethical leadership reduced the impact of Machiavellianism on leader effectiveness.

The work suggests that the banking sector leaders can adapt ethical behaviors to create positive leader–member relations contributing to increased organizational efficiency and productivity.

The unique contribution of the study includes determining the mediating roles of self-esteem and ethical leadership, especially in the Indian context. Despite the availability of past studies on the constructs, the studies on the parallel mediating relationship between Machiavellianism and effectiveness was limited.

The purpose of this paper is to investigate the link between transformational/transactional/passive-avoidant leadership behaviors, teachers’ perceptions of leader effectiveness and teachers’ job satisfaction. In this context, the paper also examines the conceptual model underlying the scales of the most widely used instrument in research on transformational leadership, the Multifactor Leadership Questionnaire (MLQ). The theoretical framework for this investigation is that of the full range model of leadership.

An adapted version of the MLQ was administered to a sample of 438 secondary school teachers in the Republic of Cyprus. Confirmatory factor analysis and structural equation modeling were used in the analysis of the data.

The results provide support for a three-factor structure model consisting of transformational, transactional and passive-avoidant forms of leadership, representing three distinct components of leadership behavior. Teachers’ perceptions of leader effectiveness and teachers’ overall job satisfaction were found to be significantly linked to the leadership behaviors included in the full range model of leadership.

The findings are cross-sectional and based on the subjective perceptions of teachers. The analysis of the data suggests that transformational leadership may not be a sufficient condition for (perceived) headteacher effectiveness.

The link between transformational leadership, perceived leader effectiveness and teachers’ overall job satisfaction has not been investigated in many studies. The present study attempts to address this gap.

The field of global leadership has flourished and advanced in the preceding decade. However, in contrast to the term global leadership, which enjoys conceptual clarity enabling accumulative progress, the construct of global leadership effectiveness is comparatively undertheorized, with instances of definitional ambiguity and disjointed methodological operationalizations across studies. The purpose of this chapter is, thus, to provide a systematic review of the global leadership effectiveness literature. In doing so, our contributions are fourfold. First, we offer an inclusive, comprehensive definition of global leadership effectiveness. Second, we map its construct domain. Third, we review research findings at the individual, group, and organizational levels. Finally, we integrate extant insights and offer suggestions for future research, organized within the typology of the content domain along the identified dimensions of global leadership effectiveness. Together, our goal is to build a foundation for future research examining the roles of leadership and the global context as antecedents of global leadership effectiveness.