فصلنامه بررسی های حسابداری و حسابرسی
پیاپی 82 (زمستان 1394)

In this research, some beliefs based on the theoretical concepts of accounting, such as the inconsistent relation between the qualitative characteristics of relevancy and reliability, and reliability and timeliness have been tested. For testing research assumptions, statistical tests consist of T-student test and Mann - Whitney test, have been used. By investigating 100 listed companies of Tehran Stock Exchange during the years 2001-2011, results, suggest that companies which offer more reliable information, have higher level of relevancy. Also, companies which offer more timeliness information, have higher level of relevancy. Some other results of this research show the positive correlation between reliable and timeliness characteristics. In other words, companies which offer more timeliness information, have more reliable information and companies with more reliable information have more timeliness information

Abstract: A corporate cash-holding strategy is a trade-off between the costs and benefits of holding cash. At the macrolevel, firms are inclined to adjust their cash-holding strategies in response to inflation. At the microlevel, the operating cycle, which indicates the turnover of corporate cash flow, and An effective the corporate cash-holding strategy. This study investigates the effect of inflation and operating cycle on corporate cash holdings. To do so, a sample consisting of 1,264 year-company data points was gathered from Tehran Stock Exchange between 1385 and 1392. For hypothesis testing, Almeida, Campello, and Weisbach model was used. The results of the study shows that as the inflation increases, the corporate cash holdings will decrease and after inflation reaches a certain point, the corporate cash holdings will go up as the inflation increases. Moreover, when operating cycle increases, corporate cash holdings decreases but after operating cycle reaches a certain point, the corporate cash holdings would stand still.

We examine the relation between stock liquidity and corporate tax avoidance in this paper. 120 companies listed in Tehran Stock Exchange for the period 1386-1391 is investigated. Multivariate panel data regression model and generalized least squares models were used to test the hypotheses. The findings show that there is a significant relationship between stock liquidity and corporate tax avoidance. The review of subsidiary hypotheses shows that the relationship between stock liquidity and corporate tax avoidance in firms with more financial constraints is stronger than firms with less financial constraints. Also, this relationship will be stronger in firms with lower corporate governance

The purpose of this research is to determine the effect of comparability as one of the qualitative characteristics of financial reporting on future earnings response coefficients. The future earnings response coefficients has been used as a criterion to measure the information content of the current stock prices about future earnings. In order to attain the research purpose, 80 companies among the listed companies in Tehran Stock Exchange during the years 1381 to 1392 (2002-2013) were selected as statistical samples. For analyzing data and testing hypotheses, multi variable regression model with compound data has been used. Findings of research signify that financial statement comparability increases the future earnings response coefficients. Results also indicate that the comparability causes the higher level of firm-specific information to be reflected in current stock prices.

The level of voluntary discloser in Iranian companies is investigated through this study. It is examined to find if the volume of voluntary disclosure is impacted by transferring a governmental company to private sector. To reveal the impact of privatization on the volume of the voluntary disclosure a sample of 30 companies transferred from public to private sector since 2003 to 2010, is selected. This sample includes 96 Board of Directors Reports.The results indicate that the four variables of private ownership, the proportion of state ownership, the proportion of outside board members and leadership structure have significant effects on the level of voluntary disclosure, but the transferring the governmental companies to private sector, has not increased the positive effect of the above variables.

The aim of this research is to study the relation between the conservatism in financial reporting and the stock liquidity of the listed companies in the Tehran Stock Exchange. In approaching this aim, this research identifird 106 listed companies in TSE during 2001-2012 and exerted panel regression models with fixed effects to test the hypothesis. The findings indicate that there is a negative relation between the conservatism and direct criteria of the liquidity such as the volume of the transactions, ratio depth, and a positive relation between the conservatism and inverse criteria of the liquidity such as absolute and ratio spreads between bids and ask prices for the stocks. In addition, the results show that the effect of the conservatism on the transactional criteria, especially on the number of the transactional days, has been more than the informational indexes based on the adjusted R-square.

Despite numerous studies on intellectual capital, the indirect effect through economic value adjustment on stock liquidity has not been considered. This research is trying to fill this gap. The aim of this study was to determine the relationship between intellectual capital indirectly through mediator (EVA modified) liquidity of the stock. The study listed companies in Tehran Stock Exchange and the sample screening during the study period of 2003 to 2013 is selected. The results show a significant relationship between economic value and intellectual capital are adjusted. The indirect effect of structural funds and communication through Adjusted Economic Value Added on the liquidity of the stock is positive and significant. But human capital through value-added justified transferred to liquidity but also directly affect stock liquidity.