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 opt...

in this article using autoregressive (ar), autoregressive conditional heteroskedasticity (arch), generalized autoregressive conditional heteroskedasticity (garch) models we assess the weekend effect and also compare the trading patterns of individual and legal investors during 1381-1385 in tehran stock exchange. our findings suggest that weekend effect exists in tehran stock exchanges which are...

due to the fact that assets are recorded at their historical value and they may include unrealized gains (losses), managers may manipulate earnings through the sale of these assets and provide financial information which is not accurate and reliable. the aim of this study is to investigate the relationship between income from asset sales, earnings change and leverage of companies listed on tehr...

one of the goals of financial reporting is to provide the useful information in order to facilitate the decision making. accounting information system is of high importance for the users to make specific decisions. the information should be analyzed to present the valuable information to the investors so that in this paper, the relative content and return additive with cash recovery have been a...

Developing the e-services has directed organizations to aspire to achieve more market share in the competitive market. Consequently, they must present their services in such a system that customers return to the website and apply the e-services of that organization. This matter has become a serious challenge in this field and has generated a notion such as e-loyalty that various factors affect ...

The present research aims to evaluate impacts of crude oil price return index, Bloomberg Petroleum Index and Bloomberg energy index on stock market returns of 121 companies listed in Tehran stock exchange in a 10 years' period from early 2006 to April 2016. First, explanatory variables were aligned with petroleum products index mostly due to application of dollar data. Subsequently, to check va...

The technological mutations of recent years have profoundly disrupted the design and structure of stock markets with the development and multiplication of electronic platforms: electronic communication networks (ECN) and alternative transaction systems (ATS). These technological innovations have brought about serious changes in the access to and processing of financial information, in brokerage...

This study aims at determining the personality traits and investment patterns in the stock market and presenting the pattern with a behavioral finance approach. This is an applied, descriptive- survey, and cross-sectional study. The statistical population includes real investors in the Tehran Stock Exchange. The required information was collected using questionnaire and was analyzed using SPSS ...