Information Matrix

We previously considered Sir Michael Marmot's landmark Whitehall Studies, which looked at health and mortality outcomes for UK civil servants. Sir Michael continues to research UK mortality, and has recently been drawing attention to the fact that improvements in UK life expectancy appear to be slowing down.

What do civil servants and monkeys have in common (ignoring a purportedly greater than average interest in bananas)?

Liabilities within any given portfolio are rarely equal, and they usually differ widely in size. Typically, a large proportion of liabilities is concentrated in a relatively small number of lives, so this should always be checked.