Insurance, Biases, Discrimination and Fairness

2026-04-25

Two years ago, my book “Insurance, Biases, Discrimination and Fairness” was published in the Springer Actuarial series. Discrimination in insurance is a difficult topic because, in a very specific sense, insurers are expected to discriminate: they classify risks, build risk pools, and differentiate premiums. This is the logic of risk-based pricing and actuarial fairness. But insurance is not only about pricing risks accurately (accuracy is overrated). It is also about mutualization, risk sharing, and solidarity. The real question is therefore not simply whether insurers … <a …

Blogging and writing style

2026-04-25

I was invited to pay a visit this month to something called the Inkhaven Residency in California “to talk about the craft, advise, and give feedback on the writing.” It happens that I was already going to be in the … Continue reading → …

He’s a music educator evaluating K–12 music education systems, and he wants someone to look at his measurements and statistics.

2026-04-25

Ned Kellenberger writes: I’m a music education researcher working on a book that constructs an international index of K–12 music education systems — indicators, weights, and rankings across 20 developed countries. (Measuring Music: An International Framework for Comparing K–12 Music … Continue reading → …

Hourly Subway Station Flows

2026-04-25

Pie charts are bad, as
any fule kno. We’re not as good at judging relative differences between angles
and areas as we are at judging relative differences in lengths on a common
baseline. This is especially true when we have more than two things to compare
at the same …

Continue reading: Hourly Subway Station …