Due to their relatively high yields and low return correlations with traditional asset classes, insurance-linked securities (ILS) are often described as an attractive investment opportunity. Yet, the investor base for ILS is largely dominated by a few specialized investment managers. The aim of...

We estimate economies of scale and scope as well as cost efficiency to explain the structure of the global reinsurance market, where large reinsurers dominate, but both diversified and specialized reinsurers play important roles. The costs and benefits of size and product diversification play...