The study on relationship among level of disclosure of last information and family ownership in listed enterprises in tehran security and exchange organization

Given the family-owned companies have devoted noticeable percent of listed enterprises in Tehran Security and Exchange Organization (TSEO), it has been tried in this study to reveal nature of these commercial units for investors thereby they could make more rational decisions for their investments. The relationship among level disclosure of future information with family ownership has been examined in this investigation where 92 companies were selected as sample of study among the listed enterprises in Tehran Security and Exchange Organization using systematic deletion technique. The multivariate regression method has been adapted to test hypothesis. The time span of this study ranges from 2011 to 2015. The results of this study suggest that strongly- concentrated family ownership may reduce quality level (score) of future disclosure. Similarly, dispersed and relatively concentrated levels of family ownership did not significantly affect in quality of future disclosure.