Purpose The present study aims to examine the effects of the Islamic sacred months, namely, Muḥarram, Rajab, Dhu al-Qaʿdah and Dhu al-Qaʿijjah, on stock prices on the Iran and Iraq Stock Exchanges. Design/methodology/approach Using the infrastructure models of the capital market, the daily...

Purpose This study aims to use gray models to predict abnormal stock returns. Design/methodology/approach Data are collected from listed companies in the Tehran Stock Exchange during 2005-2015. The analyses portray three models, namely, the gray model, the nonlinear gray Bernoulli model and the...

It is generally understood that well functioning banks and financial institutions help promote economic growth. That’s why Iranian government is trying to play active role to promote economic growth through well established banking and financial system. This survey shows that after...