درخت حوزه‌های تخصصی

Return on investment is a driving force that motivates and is a reward for investors. Investment returns are important for investors, in order for the entire investment game to be realized. Evaluating efficiency is the only logical way (Before risk assessment) that investors can do to compare alternative and different investments. Measuring real returns (relative to the past) is needed to better understand investment performance. Particularly, the study of past returns has a major role in predicting and predicting future returns. Therefore, the present study seeks to "investigate the effect of the internal rate of return on cash recycling on unusual returns as well as the effect of cost leadership strategies variables on the relationship between the internal rate of return on cash recycle and the unusual returns in the period from 2009 to 2013. In this research, the sample consists of 72 companies that have been selected by systematic elimination method, which is a total of 360 years. In this research, linear regression and correlation coefficient were used to investigate the hypotheses of the research. EVIEWS software has been used to analyse the data and test the research hypotheses. According to the regression results, the following results were obtained: 1. An internal rate of return on cash recycling affects unusual returns. 2. The internal rate of return based on the recycling of cash The abnormal returns affect the strategy of cost leadership.

The phenomenon of the financial crisis is not a new phenomenon around the world. The structure of an economy or a set of economies may face a financial crisis. In fact, it is deformation, dimensions, causes and roots of the financial crisis which create a state of change from this crisis. Recently, evidence has shown that the market value of firms subject to bankruptcy is significantly reduced. In this study, the impact of the financial crisis on conservative accounting and transparency of banks in Iran has been studied. After designing the transparency indicators, the transaction information was collected from the Stock Exchange in the five-year period of 2011-2015. The statistical sample consists of 18 banks selected by systematic elimination method, which in total were 90 years-bank. In this research, linear regression and correlation were used to investigate the hypotheses of the research. Eviews software was used to analyze the data and test the hypotheses. What can be said in the overall conclusion of testing the hypotheses is that the financial crisis affects the conservative accounting and transparency of banks.

According to the firm life cycle theory, companies go through certain behavioral patterns in various stages of their life. A thorough understanding and recognition of these behavioral patterns, new investment in assets and the optimal use of assets can considerably enhance the capital productivity. In the current study, the relationship between the stages of firm life cycle and capital productivity and mediation relationship of the capital investment choice in the two groups of companies have been examined, and methodically compared and contrasted. To examine the research hypothesis, the data were gathered from 118 companies accepted in Tehran Stock Exchange during a period of 7 years. Findings of the research clearly indicated that there is a positive relationship between introduction, growth and maturity stages with capital productivity in the cyclical and non-cyclical companies. Regarding the cyclical companies, a positive relationship was witnessed between the decline stage and capital productivity. Such a relation, however, was not found between the two variables in non-cyclical companies. Also, no significant relationship was observed among the stages of introduction, growth, maturity and the capital investment choice in both groups of companies. In non-cyclical companies, the relationship between the decline stage and the capital investment choice was positive, while there was no relationship between cyclical companies. Capital investment choice also failed to prove the assumed mediating role.

The purpose of this study is investigating and determining rate of seizing assets and acquisition other companies by public sector companies. We estimate this rate at various stages of the life cycle of the company. Therefore, according to their size and age, the companies have been divided into small, large, young, and mature groups, and for this purpose, we have collected data from a sample of 45 companies of the public sector from three Iranian provinces. We have tested our analyses from the viewpoints of agency and neoclassical theories and discussed the results of the independent t tests. The results showed that with increase in age and size, public sector companies are more likely to seize the fixed assets of other companies to restructure and achieve improved operations. However, in the case of assuming ownership of other companies done through buying the companies, most public sector companies do this in the middle of their lifetime and in the course of their growth.

The aim of this study is to evaluate the impact of cash dividend components on corporates earnings persistence and return on stock. The population of study consists of 109 companies listed in Tehran Stock Exchange from 2011 to 2016. Data was analyzed using regression model. According to results, the cash component of earnings is more persistent than accruals and it can be used to predict future earnings. Therefore, it is suggested that cash dividend component to predict future earnings. In addition, managers should pay attention to the cash component of earnings in their decisions made on the amount of optimal cash fund because this component can positively affect future earnings. Moreover, the cash flow component of earnings cannot be used to predict future return on stock. Therefore, investors are recommended not to rely on the cash component of earnings in their investments, This is because even if corporates have considerable cash funds, their shares will not necessarily be a suitable option for investment and they should take other factors into account.