We describe a measure of welfare, "vulnerability", which measures the difference between the highest feasible average level of utility in a population given aggregate resources, and the actual average level of utility. This measure can be decomposed into two components, related to inequality and...

The European Securities and Markets Authority (ESMA) is issuing this statement to clarify to institutional investors risks from a newly emerging asset class referred to by most market participants as contingent convertibles instruments (CoCos). If they work as intended in a crisis CoCos will...