نتایج جستجو برای: and rational market risk hypothesis that says value stocks areinherently riskier than growth stocks rational market riskhypothesis has two different explanations leverage effect andvolatility feedback we use asymmetric garch
تعداد نتایج: 18130480 فیلتر نتایج به سال:
abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...
previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...
Throughout their history, puts and calls [1] on common stock have been criticized as mere gambling opportunities. Recently, the creation of listed options on the Chicago Board Options Exchange, the American Stock Exchange and three regional exchanges in the United States, has given new respectability to options as investment vehicles. By year-end 1977, listed options to 217 common stocks were a...
the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...
In this journal, Best, Best and Yoder (2000) recently demonstrated that portfolios of US value stocks dominate portfolios of US growth stocks in terms of second-order stochastic dominance (SSD). However, we cannot conclude from this finding that the market is SSD inefficient, because market portfolio efficiency generally does not require growth portfolios to be efficient. Furthermore, stochasti...
Forecasting Value-at-Risk (VaR) for financial portfolios is a staggering task in financial risk management. The turmoil in financial markets as observed since September 2008 called for more complex VaR models, as ”standard” VaR approaches failed to anticipate the collective market movements faced during the financial crisis. Hence, recent research on portfolio management mainly focussed on mode...
The main goal of the present study is testing asymmetric risk pricing and comparing it with pricing of traditional risk measures in Tehran Stock Market. Accordingly, a sample consisting of 101 companies listed in Tehran Stock Market during 2002-2013 went under investigation. In order to test asymmetric risk pricing, regression model of panel data was applied. The results revealed a positive and...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
We analyze the factors that affect security issuance and its impacts on the volatility of stock returns before and after the issuance under heterogeneous beliefs and short sale constraints using the issuing sample of convertible bonds, corporate bonds and stocks in China’s security market during 2007 to 2012. The empirical tests identify that abnormal turnover can portray heterogeneous beliefs ...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
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