نتایج جستجو برای: 1 using the daily returns of tehran stock exchange companies
تعداد نتایج: 23315227 فیلتر نتایج به سال:
one of the basic assumptions of management accounting illustrate that costschanges has a significance relationship with increasing and decreasing in the levelof activity, recently after being raised of sticky costs issue by anderson and hiscolleagues this assumption was discussed. it means increases in costs by increasingthe more activity level of reduction in costs is exchange for the reductio...
Stock market plays a very influential role for the economy of any country. Energy sector is considered as one of the dominating sectors in the stock market. This sector is evidently affected by oil and gas prices and performance of this sector is evaluated by stock returns of the oil & gas companies. Therefore, the study of such stock returns always remains an objective of interest for many fin...
the purpose of this research is to examine the existence of seasonality in the stock market return, its volatility and trading amount associated with moving calendar events such as the holy month of ramadan using a garch specification and data for the tehran stock exchange (tse) from april 1998 to june 2010. the result shows a statistically significant increase in returns and a systematic patte...
Nowadays stock market as a means to facilitate and direct micro investment for economic development is deemed as one of the most effective tools in the market economy system. Analyzing the risk and output of various companies' shares is among the most important preconditions of stock investment. In general, although conventional risk measures such as Beta and standard deviation are relatively e...
Stock price crash risk is a phenomenon in which stock prices are subject to severe negative and sudden adjustments. So far, different approaches have been proposed to model and predict the stock price crash risk, which in most cases have been the main emphasis on the factors affecting it, and often traditional methods have been used for prediction. On the other hand, using Meta Heuristic Alg...
In this study a new method for stock screening and ranking according to fuzzy multi-criteria optimization techniques is presented. In the proposed method two main criteria are used for selecting suitable stocks. The first criterion is obtained from companies financial ratios and shows the financial health of companies. The second one is the criterion of companies’ market success and is obtained...
the purpose of this research is to investigate the relationship between earnings variabilityand earnings forecast using neural networks in companies listed on tehran stock exchange. theresearch is of the library and analytical-causal study type, and is based on panel data analysis andneural networks. in this research, financial information of 98 companies from 19 industries intehran stock excha...
the aim of the current study was to investigate the relationship among efl learners learning style preferences, use of language learning strategies, and autonomy. a total of 148 male and female learners, between the ages of 18 and 30, majoring in english literature and english translation at islamic azad university, central tehran were randomly selected. a package of three questionnaires was ad...
One of the basic assumptions of management accounting illustrate that costschanges has a significance Relationship with increasing and decreasing in the levelof activity, recently after being raised of sticky costs issue by Anderson and hiscolleagues this assumption was discussed. It means Increases in costs by increasingthe more activity level of reduction in costs is exchange for the reductio...
the presence of bubbles in the markets and its formation has been regarded by economists and they have been looking to develop methods that can be recognized by using appropriate method for the formation of bubbles. in this paper, first, the formation of bubbles is tested using the new unit root test known as phillips test (generalized sup adf test) for 50 companies in the tehran stock exchange...
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