List of Articles Mohammadraza  Abbasi Astamal

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  1 - The effect of Managerial Social Capital on Bankruptcy Risk with an emphasis on Passive Institutional Owners (Case Study: Companies Listed on the Tehran Stock Exchange)
  Mohammadreza Abbasi Astamal Parya Azimi
  The present study examines the impact of managerial social capital on bankruptcy risk with an emphasis on passive institutional owners. This research is practical in terms of purpose, and from the point of view of correlation methodology, it is causal type (post-event). More

  The present study examines the impact of managerial social capital on bankruptcy risk with an emphasis on passive institutional owners. This research is practical in terms of purpose, and from the point of view of correlation methodology, it is causal type (post-event). The statistical population of the research is all the companies admitted to the Tehran Stock Exchange, and using the systematic elimination sampling method, 145 companies were selected as the research sample in the 6-year period between 2016 and 2021. The method used to collect information is a library, and the relevant data for measuring the variables were collected from the Kodal website and the financial statements of the companies, and the initial calculations were made in Excel, and then, to test the hypotheses of the research, Eviuse software and logistic regression were used. The results of the research show that managerial social capital and passive institutional owners have a direct and significant effect on bankruptcy risk. Also, passive institutional owners have a direct and significant effect on the relationship between managerial social capital and bankruptcy risk. In other words, the interaction of managerial social capital and passive institutional owners and their increase leads to an increase in the risk of bankruptcy of companies. Manuscript profile
• Open Access Article
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  2 - The relationship between Abnormal Investment and Performance in Different Stages of the Life Cycle of Companies (Case Study: Companies Listed on the Tehran Stock Exchange)
  Mohammadreza Abbasi Astamal Yalda Hasannpour
  The present study investigates the relationship between abnormal investment and performance in different stages of the companies' life cycle.This research is practical in terms of purpose and in terms of methodology, the correlation is of the causal type (after event). More

  The present study investigates the relationship between abnormal investment and performance in different stages of the companies' life cycle.This research is practical in terms of purpose and in terms of methodology, the correlation is of the causal type (after event). The systematic elimination sampling, 128 companies were selected as sample and were investigated in the period of 8 years between 2013 and 2020. The method used to collect information is a library and data are collected for measuring variables from the codal website and corporate financial statements and in Excel, basic calculations have been made then, to test the hypotheses of the software stata was used. The results of the research show that there is a direct relationship between abnormal returns and company performance. However, there is an inverse relationship between unusual investment and company performance. There is no relationship between abnormal returns and company performance in the growth phase. Also, there is no relationship between abnormal investment and company performance in the growth phase. But, there is a direct relationship between abnormal returns and firm performance at maturity. There is no correlation between abnormal investment and firm performance at maturity. There is a direct relationship between abnormal returns and company performance in the downturn phase. There is an inverse relationship between abnormal investment and the company's performance in the downturn. Manuscript profile