This paper aims to determine the impact of dividend policy on stock price volatility by taking firms listed on Tehran stock exchange.  A sample of 68 listed companies from Tehran stock exchange is examined for a period from 2001 to 2012.  The estimation is based on cross-sectional ordinary least square regression analysis to find the relationship between share price volatility and dividend poli...

economic growth and development of market, stock exchange and related variables are among components which influence on business, economic activities and management of society. financial repression is among economic variables greatly influencing on financial market specifically capital market and economic growth and development; so that, this concept caused to publish financial growth and devel...

stock return is usually considered to be affected by firm’s financial ratios as well as economic variables. fundamental method assume that stock returns is not solely related to the stock market. most result come from the company condition , industry situation and whole economy. in this paper, this relationship between stock return and fundamentals is studied using the data for 22 pharmaceutica...

In this paper, we have examined abrupt changes in volatility of TEPIX index in Tehran stock exchange during August 23, 2010 to June 12, 2014. Applying the iterated cumulative sum of squares (ICSS) algorithm proposed by Inclan and Tiao (1994) and the modified version of this algorithm consisting Kappa 1 and Kappa 2 test statistics developed by Sansó et al. (2004), we have specified that the dete...

Uncertainty in the capital market means the difference between the expected values ​​and the amounts that actually occur. Designing different analytical and forecasting methods in the capital market is also less likely due to the high amount of this and the need to know future prices with greater certainty or uncertainty. In order to capitalize on the capital market, investors have always sough...

In this study business operations and liquidity and credit risk on price fluctuations on the stock exchange since 2010 to 2013 has been Tehran distance. The sample consisted of 76 company The systematic elimination method is selected. The company had a total of 304 years, in this study, the hypothesis of linear regression and correlation to analyse the data and test hypotheses Eviews software i...

the aim of this study is to investigate the effects of outside board on rm value in tehran stock exchange (tse) from the perspective of information transaction costs. to do so, a sample of 96 firms listed in tse is selected to be studied during the period of 2003-2012. tobin q ratio is used to measure rm's value and bid-ask spread for information transaction costs. in addition to these v...

ranking of companies listed on the exchange represent their status and considered a criterion for investment. also, it increases market's competition, development and efficiency. in this study, the fifty superior companies listed in tehran stock exchange were ranked based on financial ratios (liquidity, operational, leverage and profitability) using fahp- ftopsis hybrid approach during the...

the aim of this paper is analyzing the role of psychology of numbers in financial markets and in this area, investigates the price clustering phenomenon in trading prices of tehran stock exchange. price clustering is one of anomalies that have been observed in financial markets that representative psychological biases or tendency to specific numbers in the market. this phenomenon includes of de...

Robust Estimation in Nonlinear Modeling of Volatility Transmission in Stock Market S.B. Ebrahimi * Department of Industrial Engineering, K.N.Toosi University of Technology, Tehran, Iran * Email: [email protected] (Received: 12 September 2015; Revised: 8 May 2016; Accepted: 24 June 2016) Volatility transmission means the connection between different markets in a way that volatility can be tr...