Hand writing
Contributing Editor David Hand writes:
Reading my co-columnist Xiao-Li Meng’s column The XL-Files in the January/February 2015 issue made me realise I hadn’t written a column about The Improbability Principle, my book which appeared early in 2014. Xiao-Li wrote, “Winning the lottery or being struck by lightning are both…
Contributing Editor David Hand writes:
How should we measure national wellbeing? The first stage in answering such a question is deciding exactly what it is that we’re talking about. It’s clear, at least for national wellbeing, that the definition of what we want to measure and the procedure we construct…
Contributing Editor David J. Hand writes:
George Box once said “You have a big approximation and a small approximation. The big approximation is your approximation to the problem you want to solve. The small approximation is involved in getting the solution to the approximate problem.” In a similar vein, John…