درخت حوزه‌های تخصصی

The purpose of this study was to investigate the role of non-financial information analysis and risk-return analysis along with financial information in increasing the selected banks and financial institutions of Tehran Stock Exchange portfolio efficiency. To evaluate the efficiency of the portfolio, the Treynor's ratio was used and attempted to determine the Treynor's ratio of the selected optimal portfolio based on each accounting and financial information, non-financial information and risk-return analysis, and then the significant differences between the ratios were compared. also, intellectual capital, agency theory and management ability data were used as non-financial information. The 9 optimized Portfolio that were selected by any one or more of the data from financial, non-financial, and risk-return analysis and calculated Treynor's ratio for each select were used. To achieve the goal of the research, 19 banks and financial institution of Tehran stock exchange were selected as sample and analyzed. The results showed that the use of non-financial and risk-return analysis information will increase the calculated efficiency of banks portfolio using the Treynor's ratio. All of hypotheses were approved, this means that there is significant difference between mean Treynor's ratio of stock combination based on risk-return information and accounting information, agency theory, management ability and accounting information and intellectual capital.

The purpose of this research was to explain the relationship between the personality of brands with risk aversion and customer loyalty. This research was applied in terms of purpose, descriptive correlation one in terms of information gathering and based on structural equation modeling. The statistical population consisted of all customers with credible brands (5 famous and high-income brands such as Adidas, Nike, Puma, Al-Sport, and Asx) in East Azarbaijan province. With regard to the unlimited statistical population, 384 people were selected as the statistical sample based on Morgan's table. The brand personality standard questionnaire (Jones et al., 2009), Customer loyalty Anismawa (2007), and a researcher-made risk aversion questionnaire were used to collect data. The validity of the questionnaires, in addition to the supervisor's approval, was confirmed by 10 supervised faculty members and the reliability of the questionnaire was 0.849, 0.867 and 0.957, respectively, using the Cronbach's alpha coefficient. The validity of the questionnaire structure was also confirmed by factor analysis. Data were analyzed using SPSS and Amos software. The results of structural equations showed that the brand personality has a direct and positive effect on risk aversion (factor = 0.359), attitudinal loyalty (factor = 0.575), behavioral loyalty of customers (factor = 0.548). Also, the model's indices show the fitness of the research communication model.