Assessing the Impact of Managerial Capacity, Political Relationships, and Financial Crisis on Performance Improvement, Risk Management and Price Crash of accepted Banks in TEHRAN stock exchange: Combined method of data envelopment analysis and regression estimation of sls2

Identifying the factors affecting the performance, risk and price of banks is important both from the perspective of shareholders and depositors and from the perspective of active elements in the market. Given that the financial market consists of the two main pillars of the money market and the capital market, the most important task of the capital market is to attract scattered capital and its optimal allocation to units that move both for economic development and to maintain the expected interests of investors. Therefore, banks, as the engine of financing the economy, are of special importance for other enterprises active in the economy, both for the government and for the banks themselves. Accordingly, identifying the factors and indicators affecting performance and profitability, risk management, as well as changes in their stock prices, both in terms of bank management and from a macroeconomic point of view, can guide the economy and governments. On the other hand, given that the main activity of banks is to provide facilities and loans to applicants, proper management of banking challenges and improving the factors affecting the efficiency and effectiveness of banking resources, can move the economic cycle in the right direction. Accordingly, the researcher analyzed the information of 11 banks in the 9-year period from 2009 to 2017 to assess the impact of management ability, political relations and financial crises on performance improvement, risk management and falling prices of banks listed on the stock exchange. Tehran Stock Exchange paid. The results of the analysis of hypotheses in three parts show that first, the ability to manage has no significant effects on any of the performance indicators of banks, including return on assets, return on capital, growth rate of shared income and growth rate of non-shared income, as well as management ability on liquidity risk effects. It is significant, but it does not affect credit, operational and bankruptcy risk. Finally, the ability to manage has not affected the risk of falling stock prices of banks. Second, political relations have only a positive and significant effect on the growth rate of shared income and have no significant effects on return on assets, return on capital and growth rate of non-shared income. Also, political relations have significant effects on liquidity risk and bankruptcy, but on risk. Credit and operations are not affected. Finally, political relations have not affected the risk of falling stock prices of banks. Third, financial crises only have a positive and significant effect on the growth rate of shared income and have no significant effects on return on assets, return on capital and growth rate of non-shared income. Also, financial crises have significant effects on credit risk, liquidity and bankruptcy. Does not affect operational risk Finally, financial crises have a statistically significant effect on the risk of falling stock prices of banks.