this paper studies the relationship between return and the bid-ask spread in tehran stock exchange. the research has been done according to amihud and mendelson’s model (1986). it should be mentioned that portfolio beta and size are added as explanatory variables into the model. the study period is from day 1382 to tir 1389. based on the pooling of cross section and time series data used to est...

Objective: Thisresearch has studied the effect of five main factors including competence of internal audit department, size of internal audit department, relationship between internal and external audit, management support for internal audit, and independence of internal audit on the internal audit effectiveness in companies that listed in the Tehran Stock Exchange in 2017. Methods: Data was c...

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 ...

Ranking of companies listed on the exchange represent their status and considered a criterion for investment. Also, it increases market's competition, development and efficiency. In this study, the fifty superior companies listed in Tehran Stock Exchange were ranked based on financial ratios (liquidity, operational, leverage and profitability) using FAHP- FTOPSIS hybrid approach during the year...

this paper aims to determine the impact of dividend policy on stock price volatility by taking firms listed on tehran stock exchange.  a sample of 68 listed companies from tehran stock exchange is examined for a period from 2001 to 2012.  the estimation is based on cross-sectional ordinary least square regression analysis to find the relationship between share price volatility and dividend poli...

this research aims to explain the growth and value stocks anomaly by the relationship between accounting ratios and skewness of stock return distribution. then, the data of 89 companies listed in the tehran stock exchange are collected and analyzed for 2009 to 2013. furthermore, the fixed effect panel data method is used to examine the hypothesis. the results show that there is a negative and s...

The purpose of this research is to provide a model for reporting quality of financial information based on behavioral and value accounting of listed companies in Tehran Stock Exchange which is based on Structural Equation Modeling. This research in terms of applied purpose is applied research and in terms of data collection method is post-semi experimental research in the field of proofing acco...

The purpose of this study was to analysis the effect of management accounting information system (MAIS) based on decision support (DS) and business intelligence (BI) in return on investment (ROI) and return on equity (ROE) of Tehran stock exchange companies. We used analytical hierarchical process (AHP) through the weighting of MAIS based on DS and BI elements Then, questionnaires based on DS a...

Objective: One of the common tools used to make pre-trade transparency in financial markets is the Limit Order Book. In spite of several researches on the Limit Order Book, there is no consensus about the impact of increasing pre-trade transparency on market quality. Increasing the number of Limit Order Book levels from 3 to 5 levels, in May 2017, for online traders in Tehran Stock Exchange, ga...