M.A. Thesis:

Political communication, managers' overconfidence, and R&D spending

In the present study, the effect of managers' distrustful political relations on the intensity of development research in companies listed on the Tehran Stock Exchange has been investigated. For this purpose, a sample of companies listed on the stock exchange that had published the financial statements of the board of directors related to the end of the years 3131 to 3131, by systematic elimination of selection according to the limitations of research, 303 companies were purposefully selected. Took. Government ownership was identified as an indicator for measuring political communication. To measure managers 'distrust, the managers' investment decision model was used. Research hypotheses have been analyzed using multivariate linear regression. The results of testing research hypotheses show that political communication has a significant negative effect on the intensity of development research. Another consequence is that managers' overconfidence leads to an increase in the intensity of development research. Also, the mistrust of managers affects the negative impact of political communication on the intensity of development research in companies listed on the Tehran Stock Exchange

Keywords: Key words: Political communication, managers' distrust, intensity of development research, governme