Özet:

Managers in today's competitive world are facing a period that requires them to deploy a new economic framework in their companies; therefore, it is imperative to find the drivers that can be used to increase the firm's performance with a fairly reasonable confidence. Therefore, in this research, identifying the motivators promoting financial performance of the organization among the companies accepted in Tehran Stock Exchange has been discussed. Financial performance measurement indicators are also considered as the Tobin's Q ratio and net profit growth. The present research is an applied research that is descriptive-correlation based on the method. The statistical population of this research is composed of companies accepted in Tehran Stock Exchange between 2009 and 2015 . The statistical sample is also used to determine the appropriate criteria and systematic elimination method, including 85 companies. The main tools for collecting data in this study were using financial statements and using the new generation software. The data were analyzed using EVIEWS software. The econometric method is also based on the data nature, which is a combination of annual and cross-sectional data, a data panel model. The results of data analysis showed that the percentage of ownership of institutional investors, ownership concentration, company assets and board diversity influenced the growth of net profit of companies accepted in Tehran Stock Exchange, which has a more negative effect on the board's diversity. Also, the results showed that the concentration of ownership, liquidity, company assets and the proportion of non-executive members of the board of directors had a significant effect on the ratio of the companies' quotes in the Tehran Stock Exchange. The effect of the liquidity on this financial ratio was negative. The results of this study support all three theories of representation, resources and stakeholders. Keywords: Financial Performance, Ownership Concentration, Tobin's Q Ratio, Institutional Investors, Net Profit Growth, Diversity of Board of Directors.

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