inflation, operating cycle, cash holding

On cash holding in tehran stock exchange in the period 2010 to 2014.the sample is comprised of 103 companies which are selected by systematic elimination method and total of 515 year-firm collected. in this study for testing the hypothesis is used of linear regression and correlation. to analyse data and test hypotheses is used of eviews software. after designing and testing hypotheses for each main hypothesis, it was concluded that inflation and operational cycle has not a significant impact on the level of firm's cash holding. the results show no significant effect of inflation through the operating cycle on cash holding.