unaddressed area of research. By focusing on a large sample of banks across countries with both Islamic and conventional banking …

– The author's results suggest that regulations and strict monitoring of banking operation, and higher supervisory power of … banking efficiency. The existence of a powerful supervisory body could also lead to the inefficiency of banks. The DEA scores … supervisory policies. It is also conclusive that the Islamic banking system works well within a stricter regulatory environment. …

– The author's results suggest that regulations and strict monitoring of banking operation, and higher supervisory power of … banking efficiency. The existence of a powerful supervisory body could also lead to the inefficiency of banks. The DEA scores … supervisory policies. It is also conclusive that the Islamic banking system works well within a stricter regulatory environment.  …

commercial banks of Pakistan. Using a panel of Pakistani banks, we investigated whether bigger banks are better diversified than …