Drawing upon the “too-much-of-a-good-thing (TMGT)” effect and conservation of resources (COR) theory, the purpose of this paper is to examine the mediation mechanism between empowering leadership and employee job performance. Specifically, the authors propose a curvilinear relationship between empowering leadership and job performance, and also suggest that employee harmonious and obsessive work passions mediate the curvilinear relationship between empowering leadership and job performance. Further the moderation role of collectivism orientation (CO) in the relationship between empowering leadership and job performance is also examined.,Questionnaires are used to obtain survey data from 256 supervisor–subordinate dyads in three companies in the communication sector of Ghana. A follow-up interview was also conducted to enhance explanation of research findings. Hierarchical regression analysis is used to analyze the associations among the variables.,The results revealed that the significant inverted U-shaped relationship between empowering leadership and subordinate job performance is mediated by both harmonious and obsessive passion for work. A significant moderation effect of CO in the empowering leadership–job performance relationship could not be established.,This study adapts the “TMGT” effect and COR theory in the explanation of an integrated model including empowering leadership, job performance, employee passion for work, and CO in the Ghanaian context.

中文翻译：

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赋权，激情和工作绩效：加纳的影响

借鉴“太多的东西”（TMGT）效应和资源节约（COR）理论，本文的目的是研究增强领导能力与员工工作绩效之间的中介机制。具体来说，作者提出了增强领导能力与工作绩效之间的曲线关系，并建议员工和谐和强迫性的工作热情可以调解增强领导能力与工作绩效之间的曲线关系。此外，还研究了集体主义取向（CO）在增强领导能力和工作绩效之间的关系中所起的适度作用。调查问卷被用于从加纳通信部门的三家公司的256名主管下属中获得调查数据。还进行了后续采访，以加强对研究结果的解释。结果表明，赋予领导能力和下属工作绩效之间显着的倒U型关系是由对工作的和谐热情和强迫性所介导的。无法确定CO在授权领导与工作绩效关系中的显着调节作用。本研究采用“ TMGT”效应和COR理论来解释包括授权领导，工作绩效，员工对工作的热情，和加纳语中的CO。结果表明，赋予领导能力和下属工作绩效之间显着的倒U型关系是由对工作的和谐与执着热情所介导的。无法确定CO在增强领导能力与工作绩效关系中的显着调节作用。本研究采用“ TMGT”效应和COR理论来解释一个集成模型，包括增强领导能力，工作绩效，员工对工作的热情，和加纳语中的CO。结果表明，赋予领导能力和下属工作绩效之间显着的倒U型关系是由对工作的和谐与执着热情所介导的。无法确定CO在增强领导能力与工作绩效关系中的显着调节作用。本研究采用“ TMGT”效应和COR理论来解释一个集成模型，包括增强领导能力，工作绩效，员工对工作的热情，和加纳语中的CO。