فصلنامه تحقیقات حسابداری و حسابرسی
پیاپی 53 (بهار 1401)

In previous studies, the informational content of accounting variables was examined under conditions of the classic assumptions of economics and finance, that such a framework does not provide an insight on the effects of irrational behaviors of investors. However, theoretical literature and the results of recent empirical studies suggest that feelings of investors can affect their response to accounting information and evaluation of companies' stock. Given the evidence of previous studies on the difference between the reactions to the accounting earnings news, the effect of investors' tendencies on the estimation of the coefficient of reaction to the accounting earnings and each of its components are examined empirically in this study. Based on the data of 100 listed companies in Tehran Stock Exchange between the years 2010 and 2017, the results show that current and future earnings have a positive and significant effect on stock returns, but investors' tendencies can decrease the coefficients of response to current earnings. Further investigations suggest the negative effect of investors' tendencies on the coefficient of cash and accrual components of future earnings reflected in current stock returns.

Considering importance and position of the related party transactions in financial and accounting subject and direct & indirect impact of this Variable on many of financial Variable , in the present research , 107 Companies during 2011 to 2016 (tatally  using 642 years-Company) were selected and analyzed through systematic removal sampling method. The present study is applied type in View of data collection method. The independent Variable in the present study is the related party transactions and the dependent Variable is the Financial Performance. To review Financial Performance of companies , two indicators of Return on assets and Return on Equity were used. Moreover , the Variable of Volume of transactions, financial Leverage , size of Company and key share holders were Considered as control Variable. To verify research hypotheses , multivariable regression models were used and analized using Eviews 8 tools. The results obtained in this research indicate the related party transactions has a negative and sighnificant relation with Financial Performance of Companies (both indicators of Return on assets and Return on Equity). More importantly , it was found that the relation is stronger for Return on Equity.

The aim of this study is to investigate the effect of Investor Sentiment on audit quality in companies listed on Tehran Stock Exchange. In this study, to review the audit quality criteria, five criteria have been used, including qualified audit reports, auditor fees and Auditor specialist, audit tenure and accrual quality. For this purpose, hypotheses were developed and data were analyzed for Companies listed on Tehran Stock Exchange during 2009 to 2018. The statistical population of the study, according to the circumstances considered for sample selection, is for the variable of auditor's modified report, audit tenure and Auditor specialist, including 169 companies, for the variable of accrual quality, including 164, and for the variable of auditor fees, including 61 Selected by Systematic removal method. The regression models using Panel data method with fixed effects approach and Logistic regression method reviewed and tested. The results of this study showed that the Investor Sentiment has a significant positive impact on the auditor's tenure and Discretionary accruals as lowering criteria for audit quality. Also, the results indicate that the Investor Sentiment had a significant negative impact on the qualified audit reports as increasing audit quality criteria. In addition, the results indicate that the Investor Sentiment does not have a significant impact on auditor fees and Auditor specialist.

The present study seeks to explain the impact of accounting good and bad news on stockholder behavior. It is expected that good and bad news issued by financial reports will affect the behavior of shareholders as a result of the information burden. The behavior of the resulting effects can be seen in fluctuations in the volume of stock exchanges of the reporter's firms. In this study, contrary to similar researches, rather than distributing a questionnaire, the behavior of shareholders was evaluated by monitoring the volume of transactions. The sample of this study is the active units of Tehran Stock Exchange. The data was extracted from the databases of Rahavard-e-novin, the site of the stock exchange organization and the Codall system. Based on screening, 124 active reporter firms were selected from 649 reporter firms which were operating under the supervision of the organization from 2011 to 2016. Based on the results, accounting's good and bad news affects the behavior of shareholders and investors. This is while stockholders and investors have behavioral superstitions and do not follow the logical pattern.

Choosing the right basket of stocks that has the highest returns has always been a concern for real and legal investors. Therefore, the present study, by developing Gordon's view and using mixed fuzzy multi-criteria decision making, identifies effective factors and determines the relative weight of dividends, discount rate, and dividend growth rate. The purpose of this research is to develop a multi-criteria decision-making model to provide investors with the criteria to obtain higher returns by choosing the optimal portfolio of portfolios. The purpose of this study is to develop a multi-criteria decision making model in order to provide criteria for investors in order to obtain higher returns by selecting a more optimal portfolio of portfolios. The general objective of the research is to determine the effective measures on stock selection in Tehran Stock Exchange using an integrated model (DEAMATEL). The order of effectiveness and efficacy of the main metrics with Dimetal has shown that the profit criterion has the most interaction with other criteria. Then, in terms of MPO, Market, Risk, Growth criteria, they are ranked next in terms of interacting with other criteria.

The present study aimed to investigate the effect of emotional, moral and cultural intelligence on auditor performance and their relationship with financial health of firms, by studying the effect of gender adjustment. Financial health is one of the factors of sustainable development in any country. In Iran, despite many efforts to promote financial health, this phenomenon has not only not increased, but also has declined in recent years, according to statistics released by the World Bank on indicators of good governance.
This research is descriptive-correlational in terms of applied purpose and in terms of data collection method. The statistical population of this study is auditors working in all auditing firms accepted in the Iranian Society of Certified Public Accountants operating in Tehran. 300 people were selected by cluster random sampling. 225 healthy questionnaires were used for analysis. Data collection tool was a standard questionnaire. In order to evaluate the validity and reliability of the measurement tools, the validity of the content and the results of the measurement model were cited, and the results of the validity and reliability of the questionnaires were confirmed. Structural equation modeling was used to analyze the data using Smart PLS 3 software.
The root mean of each hidden variable is greater than the maximum correlation of that hidden variable with other hidden variables.
The results of the hypothesis test showed that the auditor's emotional intelligence has an effect on the auditor's performance. The auditor's emotional intelligence affects the financial health of the firm through the performance of the auditor. Gender has a moderating effect on the effect of emotional intelligence on the auditor's performance. The auditor's ethical intelligence affects the auditor's performance. The auditor's moral intelligence affects the financial health of the firm through the performance of the auditor. Gender has a moderating effect on the effect of moral intelligence on the performance of the auditor. The auditor's cultural intelligence affects the auditor's performance. The auditor's cultural intelligence affects the financial health of the firm through the performance of the auditor. Gender has no moderating effect on the effect of cultural intelligence on the auditor's performance. The auditor's performance affects the financial health of the firm.

Halo effect causes individuals to change their criteria when assessing and weighting information. Using self-explanation method of acquiring knowledge, auditors affected by halo effect will be able to specify their arguments about the risk of assessing material misstatements which they have already identified. The main problem this study seeks to investigate and analyze is to increase the quality of auditors’ decision making and judgments in order to further increase audit quality. Although recent empirical evidence has reported a decrease in halo effect through gaining experience, no solution has yet been proposed to reduce halo effect. In this regard, this study examines the role of halo effect in auditors’ decision making by emphasizing self-explanation process. The final sample of the study includes 229 auditors of Iranian Society of Certified Accountants. Also, Utami et al, (2017)’s adjusted questionnaire was used to collect the information.  To analysis data, descriptive statistics and t-test were used. The results showed that under the influence of halo effect, auditors would make more proper audit decisions through self-explanation.

Nowadays, the most important criterion for evaluating the performance of business entities is the rate of stock returns. Since human beings have a great interest in predicting future events in order to control the effects of events and minimize the negative consequences of them, predicting and explaining the price and stock returns has always been noticeable issues In the academic field. Therefore, in the present study, abnormal returns' data of 177 listed companies in the Tehran Stock Exchange between 2008 and 2017 were investigated using technical analysis and the discovery of the past trend around the release date of annual financial statements.SETAR and LSTAR models (chaotic models), the AR model (linear model) and artificial neural network model (using Fama-French's three factors) are also used to predict abnormal stock returns. Finally, the artificial neural network model is chosen as the optimal model.

Financial restatements leads to a financial constraint by decreasing the trust of investors and creditors.  Hence, managers with optimal investment are trying to change the users' perspective of financial statements. Regarding the role of financial restatements as an effective mechanism for resource constraints, and as a consequence, the increasing importance of investment efficiency, the present study examines the relationship between the refinement of financial statements and the efficiency of investment through financial constraints. Hypotheses have been investigated by use of samples including 170 companies listed in the Tehran Stock Exchange during the period 2011-2015 and multiple regression equations of integrated data. The findings of this study indicate that the mediation role of the financial constraint in the relationship between financial restatements and investment performance is not verified.

Since increasing the non-systematic risk can increase the cost of capital for the company, in this situation, management is more motivated to manage the profits. According to the above, the purpose of this research is to examine the effect of non-systematic risk on profit management. From the statistical population of this study, 120 companies listed in Tehran Stock Exchange for the period 1391 to 1395 have been investigated. For statistical analysis, quantitative statistical analysis including regression analysis method was used. Also, Excel and Eviews software have been used to analyze data and extract the results. The results of the research hypothesis test show that non-systematic risk has a positive effect on earnings management.

A brand is a mechanism that helps organizations to gain competitive advantage. The brand's special value, which has become a marketing concept since 1980, is the added value created by the brand name. The purpose of this research is to examine the relationship between the specific value of each brand and the financial performance of firms. Therefore, the subtitle goal of this research is to investigate the relationship between the specific brand value of each company with the shares of its shareholders.  For this purpose, information about the Tehran Stock Exchange was compiled for the period of 2011-2015. After the statistical tests, the method of fixed effects was selected and also due to heterogeneity of variance, the model was estimated by GLS method. The results show that the value of each brand has a positive and significant relationship with the financial performance of each company and the quality of shareholder relationships.