The aim of the current research is to examine the decision-making horizon of the CEO and the company's research and development investments with the role of managerial myopia and risk aversion in companies listed on the Tehran Stock Exchange. This research is an applied research in terms of its nature and descriptive method and in terms of its purpose, and since in the current research the current state of the variables has been analyzed by collecting information through past information, it is in the ranks of descriptive studies. And it is included after the event. In the course of conducting this research, three hypotheses were formulated and 122 companies were selected through systematic elimination sampling for the 8-year period between 1394 and 1401, and the data related to the research variables were collected in Excel software using the software Statistical analyzes were carried out. The results of the hypothesis test showed that there is a significant inverse relationship between the CEO's decision-making horizon and the company's research and development investments. And managerial myopia and risk aversion moderate the relationship between the CEO's decision horizon and the company's research and development investments.