Article history: This paper explores whether the relevance of a conditional multifacReceived 12 July 2012 tor model and autocorrelation in predicting the Russian aggregate Received in revised form 2 October 2012 stock return fluctuates over time. The source of return predictability is Accepted 16 December 2012 shown to vary considerably with information flow. In general, Available online 22 Dec...

Wave of financial globalization and financial innovation has brought great changes of the international financial market, the traditional measuring method is not well adapt to these new changes, this requires the presence of the new analysis method. This article will link function to copulas connect theory is introduced into the financial analysis. In this paper, the author makes an empirical a...

Price return and P/E are two important factors for a lot of investors based on the latest studies by researchers in Tehran Stock market; however, it is expected that the price and the variation of that affect the return and the P/E of any given market as a complicated system. The Bohmian quantum mechanics used referring to the time correlation of return and P/E of the stock market under conside...

in this research, the risk, return and coefficient of variation (cv) are calculated and compared in the food, pharmaceutical and chemical industries during 2003-2008 in tehran stock exchange. also, the effect of stock transactions is investigated in the companies working in these industries to realize the risk, return and cv.  results of this research represent that there are no significant r...

This paper provides a set of empirical tests of the cross-sectional variation of stock volatility and investablility, where investability is defined as the degree to which a stock is accessible to foreigners. Unlike previous studies, which focus on market volatility and market return, we study the relationship between individual stock return volatility and its investablility. Our findings have ...

explanation relation between risk and return and capital asset pricing are concepts which is appointed as dominator and major paradigms in capital markets. so far as after offering capm by sharp & lintner, this model has been revised and criticized frequently. in this paper another version of capm has been tested versus traditional capm in tehran stock exchange. this version of capm measures se...

the present study aimed at investigating the existence of long memory properties in ten emerging stock markets across the globe. when return series exhibit long memory, it indicates that observed returns are not independent over time. if returns are not independent, past returns can help predict future returns, thereby violating the market efficiency hypothesis. it poses a serious challenge to ...

this paper examines the relationship between accounting conservatism and informational content of earnings using data of 167 firms listed on the tehran stock exchange during 2004-2013. accounting conservatism is measured based on khan and watts' (2009) model and feltham and ohlsson (1995) price model and easton and hariss (1991) return models were used to evaluate the informational content...

in this study, we focused on tehran stock exchange market analysis based on applying moving average rules. the tehran stock exchange in the middle east has evolved into an exciting and growing marketplace where individual and institutional investor trade securities of over 420 companies. in an attempt to examine the ability to earn excess return by exploiting moving average rules, the average a...