مطالب

The purpose of this study is to investigate the impacts of external and internal organizational factors of the privatization process on the management accounting practices and the impact of these changes on the financial performance of listed companies on Tehran Stock Exchange that more than 51% of the companies' shares have been transferred to the private sector. This research, based on institutional and structural theories, provides an exhaustive explanation of management accounting practices changes by considering the conflict of the internal and external factors and the role of the human factor in the privatization process. In this study, according to the general policies of Article 44, to increase competitive advantage, management accounting has been used as a mediating variable in the relationship between privatization and financial performance. To this research, 60 companies which their ownership transferred to the private sector during the period from 2002 to 2018 were investigated. To collect data, questionnaire survey and companies financial statements were adopted and to test the hypothesis Structural equation modeling using Smart PLS software. The findings of the study show that external and internal organizational factors in the privatization process, have a significant impact on the management accounting practices that these changes effects on the financial performance of companies. The result is that in the privatization process, the external and internal organizational factors and contradiction of the incompatibility of these factors with the human factor provide the conditions for management accounting practices changes that effect on the financial performance of companies. The results of the current study could be useful for the effectiveness of management accounting changes and their impact on the financial performance of companies in the integration and acquisition process in developing countries.

This study aimed to investigate the relationship between voluntary disclosure and earnings management and financial performance during the life cycle of the listed companies in Tehran Stock Exchange. The statistical population of the study included all listed companies in Tehran Stock Exchange since 2013-2018. In this study, earnings management, the financial performance of the companies (including return on equity, returns on assets, Tobin Q ratio, economic value-added, and refined economic value added) were the dependent variables, and the level of voluntary disclosure was the independent variable and the life cycle of the company was considered as the moderating variable. Also, in order to test the research hypotheses, a linear multivariate regression model using combined data was used. The results showed that earnings management and financial performance indicators have a significant relationship with voluntary disclosure over the life cycle. Accordingly, an increase in the level of voluntary disclosure increased the company's performance. Also, the results of the study indicated that the company's life cycle mediates the relationship between the level of voluntary disclosure and the company's performance.