OLDWICK, N.J.–(BUSINESS WIRE)–A catastrophe-ridden 2017 could drive the overall profitability level for A.M. Best’s composite of global reinsurers to a six-year low, according to a new Best’s Briefing. The briefing, titled, “Global Reinsurance – Where Have All the Losses Gone?” projects an estimated combined ratio of 110% for this sector, with return on equity (ROE) ranging from 0% down to -5%. This compares with a five-year average combined ratio of 91% and a five-year average ROE of 11%. Th