Investigating the relationship between company performance and barriers to entering the industry in companies listed on the Tehran Stock Exchange

Research into the relationship between barriers to entry and corporate performance shows that barriers to entry reduce the performance of new entrants to the industry. Therefore, the purpose of this study is to investigate the relationship between firm performance and barriers to entry (scale savings, industry investment, industry profitability, industry growth, industry size, R&D intensity, and industry advertising intensity) in companies to determine how they impact. Consider the barriers to entry on corporate performance. The present research is a retrospective and purpose-based type of applied research. Empirically, the present research is in the area of accounting research and is based on actual information in financial statements. The statistical population of this research includes all companies listed in Tehran Stock Exchange during the period. Thus, 105 firms were surveyed as sample during the period from 2013 to 2018 For the relationships between variables, the ordinary least squares regression method and Eviews10 software were used, and Q Tobin index was used to evaluate the performance. There is a positive and significant relationship between firm performance and industry size, R&D intensity and industry advertising intensity.