This paper examines the relationship between idiosyncratic risk and stock returns in BRICS (Brazil, Russia, India, China, and South Africa) countries by applying parametric and nonparametric approaches. It also explores the idiosyncratic risk puzzle by dividing firms into groups based on...

Islamic banks cannot launch any operations and offerings unless a Sharī’ah approval is issued from their respective Sharī’ah boards. Hence, it becomes of utmost important and useful to find out the factors that affect the credibility of Sharī’ah approvals. To achieve this objective,...