In InsuranceERM, David Walker published, yesterday Insuring an uninsurable world – the pricing actuary’s Mission Impossible? “Actuarially, it is entirely possible – and often documented – that the technical premium reflecting pure risk without political intervention, mutualisation or capping varies by a factor of 30 or more, depending on exposure to flood or forest fire risk,” says Arthur Charpentier, author of a 2024 book Insurance, Biases, Discrimination and Fairness and professor of mathematics at the Université du Québec à Montréal. This level of variation … …