This paper examined the impacts of; investor sentiment, governance, and uncertainty on bank stock returns in the Middle East and North Africa (MENA) and Gulf Cooperation Council (GCC) region countries. The sample consisted of 173 conventional and Islamic banks based in the MENA region and 68...

This paper aims to develop a feasible estimator of the Sharpe ratio that the investor would expect from estimated efficient portfolios. Based on the analytical expression of the expected Sharpe ratio, we construct an estimator that captures all the errors involved in the estimated efficient...