نشریه نظریه های نوین حسابداری
سال سوم شماره 2 (پیاپی 8، تابستان 1392)

This study examines the relationship between capital structure and firm growth opportunities of companies listed in tehran stock exchange. The sample encompasses is the 106 companies listed in Tehran Stock Exchange during the 10-year period (2001-2010). Results show a there is significant direct relationship between capital structure (long-term debt to equity ratio) and sales growth also there is a significant negative relationship between capital structure (proportion of long-term debt equity) and return on assets. However there is direct relation between capital structure and growth opportunities.

The globalization and increase of commercial complexities along with the considerable growth in technology have led to the development of methods and techniques of management accounting. On the other hand, regarding the increasing development and importance of these techniques, their performance evaluation has become very noticeable. The present survey has been done to study the efficiency and analyze the sensitivity of management accounting operational techniques and to determine the optimum structure for the petrochemical companies listed on the Tehran Stock Exchange. This survey is an applicable and one-step research. The applied strategy is an analysis one based on mathematical modeling and by using the data covering analysis technique. Collection of the information has been done by using both the documents and the questionnaire. The geographic scope of the survey is the petrochemical companies listed on the Tehran Stock Exchange and its time scope is the year 1390. Designing and performing the suitable modeling for data covering analysis, the efficiency of the petrochemical companies listed on the Tehran Stock Exchange was identified. The results show that 10 companies that are approximately 48% of the petrochemical companies have a perfect efficiency that is 1. Also, ranking of the inputs and outputs by SAW showed that the budgeting techniques and the investment rate of return respectively from among the inputs and the outputs have the most importance in the petrochemical companies listed on the Tehran Stock Exchange.

The Purpose of this study is initial to investigate Public Stock Offering Abnormal Returns in Listed Companies of Tehran Stock Exchange (TSE). Then, in this study to investigate the impact company characteristics include company size, leverage and growth opportunities on Public Stock Offering Cumulative Abnormal Returns. For this purpose, data from 70 companies in Tehran Stock Exchange that have been Public Stock Offering in the years after the initial Public offering during the period 2002 to 2012, is investigated Using panel data and multiple regression analysis method. Results represents an average rate of cumulative abnormal returns are 9/8 and 12/1 percent respectively for one week and two weeks after Public Stock Offering, and the existence of information asymmetry hypothesis was confirmed in the Tehran Stock Exchange. also the result show there is a significant and negative relationship between company size, Public Stock Offering size and growth opportunities to cumulative abnormal returns. also the result show there is a significant and Positive relationship between company leverage and cumulative abnormal returns.

The aim of this study is to investigate the effect of institutional ownership on accounting earnings management and how to limit its impact on the level of managerial ownership in the company accepted the Tehran Stock Exchange. For this purpose two hypotheses are developed and data on the 120 companies in Tehran Stock Exchange for the period between 1384 to 1390 were analyzed. This regression model using panel data with fixed effects approach, reviews and tests. The results show that firms with a higher level of institutional ownership, less increase profit from the accruals because with increasing levels of institutional ownership, aggressive management reporting will be limited. Also, the survey levels of managerial ownership showed increasing of Percenet of shares available to managers decreases amount of accounting earnings management. Because, managers do not want their ownership interests jeopardized. Also, The results showed that with increasing managerial ownership, limiting the impact of institutional ownership on earnings management is reduced.

Companies hold significant part of their assets in cash. This study mainly aims to assess the asymmetrical relationship between cash flow sensitivity of cash (changes at the level of cash holdings in proportion to changes in cash flows) and operating cash flow sign. Furthermore, the effect of financial constraint is appraised in this research. Multiple linear regression models were applied to analyze 148 companies over the 2006 to 2011 years. The findings indicated an asymmetrical relationship between cash flow sensitivity of cash and positive or negative cash flows. On the other hand, there is a significant difference between cash flow sensitivity of cash and positive or negative cash flow. The results also showed that financial constraints are not significantly influential in cash flow sensitivity of cash.