Purpose: The purpose of this paper is to evaluate the capability of the hidden Markov model using Googling investors’ sentiments to predict the dynamics of Islamic indexes’ returns in the Middle East and North Africa (MENA) financial markets from 2004 to 2018. Design/methodology/approach:...

Purpose: The purpose of this paper is to examine the relation “diversification-risk-performance” for Islamic and conventional banks in different financial stress levels. Also, it aims to investigate the impact of the structure of board directors, macroeconomic variables and banking specific...