Purpose: The purpose of this paper is to investigate the day of the week (DoW) effect in stock markets of 19 countries with a predominantly Muslim population over the world. Design/methodology/approach: The empirical research was conducted by using the descriptive statistical analysis and...

This paper examines the market efficiency of Istanbul Stock Exchange (ISE) listed non-financial firms from 2000 through 2002. A four-stage data envelope analysis (DEA) is developed to measure the performance of firms before and after the 2001 financial crisis. At each stage, production,...