The effect of changes in cash flows on cash Holdings regarding Financing constraint facing the companies listed in Tehran Stock Exchange

The main objective of this study is to evaluate the impact of changes in cash flows on corporate cash holdings. The effect of financing constraints on the effectiveness of cash flow on cash holdings is the other objective of the present study. Sample includes data of 144 companies listed in Tehran Stock Exchange for the period 1381-1390. Due to the specific characteristics of the control variables a moment generalized method of moments (GMM4) is used to test the hypotheses. The results indicate that there is an inverse and significant relation between cash flows (positive or negative) and cash holdings. Also Firms with financing constraints، regardless of the type of cash flows tend to hold higher levels of cash balances.