The efficient market hypothesis (EMH) states that asset prices fully reflect all available information. As a result, speculators cannot predict the future behavior of asset prices and earn excess profits at least after adjusting for risk. Although initial tests of the EMH were performed on stock...

The main object in this is to evaluate the possibility of any changes might have happened due to the crises in Tehran Stock Market, concerning the relationship between stock return and the volatility. We have estimated the relationship between Tehran stock market returns and conditional...

Estimation (Forecasting) of industrial production costs is one of the most important factor affecting decisions in the highly competitive markets. Thus, accuracy of the estimation is highly desirable. Hibrid Regression Neural Network is an approach proposed in this paper to obtain better fitness...

Income inequality can partly be explained by mean income through the labour productivity, employment and participation rates and it has been tested here that corruption has statistically significant effect on economic (income/expenditure) inequality. Increase in transparency (or reduction of...

The purpose of this study is to concentrate on the investigation of days-of-week effect on Tehran Stock Exchange and its comparison with other emerging markets. Using Classical Linear Regression (CLR) as well as Autoregressive Conditional Heteroskedasticity (ARCH) models it in indicated has...

Income inequality can partly be explained by mean income through the labour productivity, employment and participation rates and it has been tested here that corruption has statistically significant effect on economic (income/expenditure) inequality. Increase in transparency (or reduction of...