investigating the effect of management incumbency duration on the operational cycle term in companies accepted in tehran’s stock exchange

the main aim of this paper is to investigate the effect of management incumbency duration on the operational cycle term in companies accepted in tehran’s stock exchange. in other words, it has been tried in this paper to answer the question of whether or not the duration of management incumbency had a significant effect on the operational life cycle term. to do the research, we have provided four hypotheses, one main hypothesis and three sub hypotheses, and have investigated a sample composed of 137 companies which have been accepted in tehran’s stock exchange within a five-years-duration from 2009 to 2013. in this research, the data needed for measuring variables have been extracted from the reports given by the board of the directors and the financial statements and the statistical methods were done through eviews software. the findings of the research showed that the effect of management incumbency duration on the operation life cycle term was meaningful. the effect of management incumbency duration on the term of the collection of debts was significant. in spite of this, the effect of management incumbency duration on the term of the goods circulation is negative and insignificant. the same relationship, that is, the effect of management incumbency, was also significant.