Modeling and analysis of future prices has been hot topic for economic analysts in recent years. Traditionally, the complex movements in the prices are usually taken as random or stochastic process. However, they may be produced by a deterministic nonlinear process. Accuracy and efficiency of economic models in the short period forecasting is strategic and crucial for business world. Nonlinear ...

The present study aimed at investigating the effect of debt and free cash flows on tax avoidance by emphasizing the role of institutional ownership in companies listed on the Tehran Stock Exchange. The statistical population of the study includes all companies listed on the Tehran Stock Exchange from 2013 to 2019. The statistical data for testing hypotheses based on the databases of Tehran Stoc...

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 indicated that there is significantly positive total return on saturdays and significantly negative total...

stock selection method in stock exchange is an important issue for investors in such markets. investors will gain benefits more than market average provided that they make logical decisions while selecting stocks. the issue of stock selection in markets like tehran stock exchange (that are not so efficient) is requires more attention of the investors as there is not a suitable equilibrium betwe...

Anomaly is an incident or event that cannot be explained by the dominant theories. Anomalies are situated in confronting with the efficient market theory, so that it provides conditions for stock trading strategies with additional returns in case of existing predetermined returns. Therefore, in this study, the anomaly due to monthly effects on the stock volume trading and the Tehran Stock Excha...