importance of risk and uncertainty in financial markets became more apparent after financial crisis in 2007. volatility is the most important measure of risk in financial markets. thus, modeling volatility of financial markets is one of the important issues in finance and economics. in this paper first we tried to specify key features of volatility of daily returns of tehran stock exchange pric...

present study seeks to appear the main important effective indicators on stockholder satisfaction from broker firm services in tehran, isfahan and yazd stock exchange; in addition, the study results, provide useful insights and guidance for managers to measure and improve customer relations system toward improving customer satisfaction. our questionnaire was drawed from literature review but fo...

A stock exchange is an entity which provides ‘‘trading’’ facilities for stock brokers and traders to trade stocks and other securities. How to invest in stock exchange is one of the important issues in investment, and one of the factors that can help investors in the process of investment is the efficiency of the corporation under consideration. Data envelopment analysis is a mathematical method...