This paper investigates economies of scope in the US insurance industry over the period 1993-2006. We test the conglomeration hypothesis, which holds that firms can optimize by operating a diversity of businesses, versus the strategic focus hypothesis, which holds that firms can best add value...

This study investigates scope economies, organizational form, and insolvency risk for a sample of takaful firms in 19 countries. Firm efficiency is estimated using data envelopment analysis, performance is also gauged using return on equity and return on assets, and insolvency risk is measured...