this paper investigates the asymmetry in volatility of returns for the iranian stock market using the daily closing values of the tehran exchange price index (tepix) covering the period from march 25, 2001 to july 25, 2012, with a total of 2743 observations. to this end, two sets of tests have been employed: the first set is based on the residuals derived from a symmetric garch (1,1) model. the...

option contracts are one of the most important financial instruments which have been recently considered as a vehicle for management of risks and development of capital market. in iran, the importance of option contracts is increasingly recognized in the capital market. in this article the legal aspects of option contracts will be examined. for this purpose the views of islamic jurists and lawy...

Study of volatility has been considered by the academics and decision makers dur-ing two last decades. First since the volatility has been a risk criterion it has been used by many decision makers and activists in capital market. Over the years it has been of more importance because of the effect of volatility on economy and capital markets stability for stocks, bonds, and foreign exchange mark...

The changes in the capital market bring transformation in the entire economy of the country. The boom and depression of the capital market is reflected in all sectors of the economy. Stock price downward movement continuously in the market forewarns the crisis period in advance. Numerous studies were conducted to trace the movement of stock market and its relationship with various economic fact...

one of the capital market financial instruments, especially in islamic countries, is sukuk or islamic securities. sukuk is based on islamic law. different types of sukuk are available for different economic situations of countries and different investors. one type of sukuk is mozare'e which is the subject of this research. to do this, we have used financial indices of crops to compare moza...

this paper examines the accuracy of valuation models in providing reasonable estimation of the market values of listed companies in tehran stock exchange (tse). six valuation models including gordon growth model, two stage dividend discount model, adjusted present value, price to earning ratio and residual income were examined in this study. in addition, three proxies represent the market value...

this research applies and compares the market leverage lally method, ibbotson and sinquefield method and siegel method, to present alternative measures for market risk premium (mrp) estimation and test forecasting power of these methods in calculating expected rate of return. the higher level of leverage implies greater risk of investment in a specified stock, so higher return is expected by in...