بررسي تأثير ويژگي هاي خاص شركت ها بر محتواي اطلاعاتي سود و جريان هاي نقدي عملياتي در توضيح بازده سهام

Investigating Impact of Firm Specific Attributes on Informational Content Earning and Operating Cash Flows in Explaining Security Return

In this research we investigate the impact of firm specific attributes (earning permanence, size, financial leverage and firm growth) on informational content of earning and operating cash flows in explaining security return. Therefore, four hypotheses are set up. Regarding the theoretical basis and the literature of the research, three regression models are used for data analysis. In this research the companies listed in Tehran stock exchange during 2001-2007 are studied. The results of analyzing data indicate that all hypotheses except for second hypothesis on compound data levels are acceptd.