the aim of this research is to investigate the relationship between leader – member exchange and organizational citizenship behavior, and considering the mediating role of psychological empowerment and organizational commitment. the sample consisted of 250 employees of marun oil and gas producing company who were selected by simple random sampling method. the instruments which used in this rese...

leadership is important for nurturing employee creativity. although how leaders can influence employee creativity is somehow unclear, previous studies show that leadership can enhance employees’ willingness to share knowledge. this study examines how leader-member exchange (lmx) affects employees’ creative work involvement through knowledge sharing. data (n=385) was collected utilizing a questi...

this paper investigates the effect of formal information and rumors on the real buyers’ choice in tehran stock exchange. following this study, the question is what kind of information has an effect on buyers’ choice of shares? the purpose of this study is to identify information affecting buyers selected stocks, in order to offer some solutions to enhance stock exchange performance. in this stu...