فصلنامه بورس اوراق بهادار
پیاپی 34 (تابستان 1395)

This study examines the relationship between accounting conservatism and financial stress in two hypotheses. The research method is descriptive and correlational and to analyze the relation between independent and dependent variables, multiple regression statistical methods were used. Then, to test the research hypotheses, using data on firms listed in Tehran Stock Exchange (TSE) for the period 2005-2014, through the sampling cup, 64 companies were selected as samples. The present results confirm the hypotheses that show the significant negative relationship between accounting conservatism and financial stress in the capital markets in Iran.

According to the nature of the mutual funds, the use of an appropriate method for evaluating the performance of such funds always has been one of the most important issues in the field of investments performance evaluation. So, different criteria have already been introduced by researchers to evaluate the funds Performance.
The present paper examines the efficiency of the postmodern Performance measurements criteria compared with modern criteria based on data of the active mutual funds in Tehran Stock Exchange for the period of 6 years from April 2009 to March 2015. In this paper, Upside Potential Ratio, Sortino Ratio and Omega measure as postmodern Criteria and Sharp Return, Treynor Ratio, and Jensen Differential Return Measure as Modern Performance Measurements Criteria have been used. Results of the study show that there is a significant different between Postmodern and Modern Performance Measurements Criteria for Mutual Fund in Tehran Stock Exchange.

According to trade off theory, firms determine optimal capital structure for themselves, but usually deviate from this target capital structure, so they need to adjust this deviation. This research tries to analyze the impact of structure change of 2012 and exchange rate increase as an index of macroeconomic variable on speed of adjustment of capital structure among firms were accepted in Tehran Stock Exchange. The data of 124 firms were collected in period of 2005-2014 and partial adjustment model was used. Results of researches hypothesis show that firms with bigger size, higher growth opportunities, higher earning volatility, less age and less deviation from target leverage adjust their capital structure with higher speed than firms with contrasting features. Moreover, structure change of 2012 and exchange rate increase as a macroeconomic index can decrease the speed of adjustment.

This study aims to identify the factors affecting the level of public participation in the stock market. In this regard, a parallel and complementary markets and the theoretical foundations of public participation in the capital markets and its influencing factors were analyzed. Using SPSS and LISREL software shows that Public Participatian is directly and indirectly influenced by parallel markets and institutions, as well as socio-cultural and technological factors, rules and regulations of the capital market and also the procedures of the SEO.

Market manipulation is one of the actions in the laws and regulations governing securities markets, the have criminal or disciplinary sanctions and in the case of the loss also creates civil liability. This paper is an attempt to analyze the three elements of civil liability in respect of liability arising from market manipulation and also the manner of evaluation of the damage has been investigated in this paper. In summary, we can say that any person by publishing untrue information, or transactions or other methods causes false prices for the securities, and thereby damage the traders’ benefits, will be liable to compensate the damages. The damage is equal to the difference between the current price of the stock and the stock price in assuming no fault.

The purpose of this study was to compare the quality of financial reporting in companies listed on TSE and Farabourse. Corporate profit before admission in the stock exchange is starting to decline. However, based on the theory of demand, after the reception and distribution of property according to the company stock, there is a greater demand for information. This will cause the quality of reporting companies on the stock exchange after the admission become better than Farabourse companies.
In order to assess the quality of reporting in this study the Hoop & et al(2013) model`s is used. We use mann-Whitney test to compare the quality of corporate reporting. The results indicate that the there is no significant difference between companies listed on TSE and Farabourse companies reporting quality, before and after the transferring.
Also the results of the comparison of the reporting quality of the companies on TSE and Farabourse with companies delisted according to article 99, indicates that there is no significant difference between these two groups of companies’ reporting quality.