The key factor in creating value in companies and banks is the capital structure and financing method so that companies are moving towards creating value through debt control and the use of proper financing. Therefore, the present study was conducted to investigate the effect of financial leverage on the stock price volatility trend in listed companies in Tehran Stock Exchange for the period 2011-2018 using systematic elimination method. The results of data analysis showed that financial leverage capital has significant effect on the trend of stock price volatility in listed companies in Tehran Stock Exchange.
The environmental performance of companies plays an important role in the process of corporate development. Because environmental issues reduce environmental costs associated with pollution. Therefore, in the present study, the effect of stock market liquidity on the liquidity of banks listed in Tehran Stock Exchange was investigated. The purpose of the study is applied studies and the research method is descriptive-analytical. From all listed companies in Tehran Stock Exchange due to inclusion criteria during the years 2010 to 1977, were selected by systematic elimination method. The results show that the environmental performance of listed companies has a positive and significant effect on the debt ratio.
In the banking industry, fidelity is of great importance and it can be related to the risks in banking and the performance of banks. Been paid. The purpose of the study is applied studies and the research method is descriptive-analytical. From all the banks listed in Tehran Stock Exchange according to the inclusion criteria during the years 1977 to 2014, they were selected by systematic elimination method. The results show that the stock market liquidity has a positive and significant effect on the liquidity of the banks listed in Tehran Stock Exchange.
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