Relevant and even prescient commentary on news, politics and the economy.

Jobless claims continue to signal moderate expansion

 – by New Deal democrat Let me start to update this week’s data with jobless claims. Initial claims fell another -2,000 to 213,000, the lowest since last May. The four-week moving average declined -1,250 to 217,000, also a six-month low. With the usual one-week lag, continuing claims rose 9,000 to 1.907 million: As with one […]

A Complete Set of Subjective Probabilities, Bayes’ Formula, Overconfidence and Over-reaction to new information

There is an approach to cognitive psychology and modelling beliefs and forecasts which is natural for economists and very misleading. The assumptions are that we have a complete set of subjective probabilities updated with Bayes’ formula, that  for any possible combination of events we have a belief about the probability that they will occur and […]

Sarah Josepha Hale imagined a day of Christian Celebration.

– by Sarah Laskow Atlas Obscura November 23, 2016 By the time she started pitching Thanksgiving to America, Sarah Josepha Hale knew her power. She was edging towards 60, and for a decade she had been the editress (her preferred term) of Godey’s Lady’s Book, one of the most widely read publications in the United States. Women followed […]

Yellville – Tossing a Turkey Out of a Plane

– by Annie Lowrey The Atlantic, November 20, 2018 A Thanksgiving story about the limits of human empathy . . . YELLVILLE, Ark.—It is October in the Ozarks. The grass has dried out and the trees have bronzed and browned. Deer lie glaze-eyed in the back of camouflaged pickup trucks. High-school football helmets crack every […]

The Trump tariffs won’t actually happen

Mexico buys about $300 billion worth of goods from us every year, mostly machinery, oil, autos, food and office equipment. If Trump imposes a 25% tariff on Mexican imports, you can be sure that Mexico will retaliate, at the expense of American jobs. Meanwhile, Mexico will certainly be looking to source these goods from China […]

Thanksgiving is the quintessential American holiday . . .

but not for the reasons we generally remember. – by Prof. Heather Cox – Richardson, Letters from an American The Pilgrims and the Wampanoags did indeed share a harvest celebration together at Plymouth in fall 1621, but that moment got forgotten almost immediately, overwritten by the long history of the settlers’ attacks on their Indigenous […]

The Allais Paradox

One of the first observed and best known errors people make when told probabilities is the Allais paradox.  People put too much weight on rare extreme outcomes.  This means that choices people make different choices when asked to choose between two  lotteries with the same probabilities of the same outcomes depending on how they are […]

Diagnostic Expectations vs Anchoring

For 4 decades I have been trying to deal with, what seems to me to be a contradiction between empirical results. Kahneman and Twersky note two things. One is diagnostic expectations – people over react to useful signals of membership in a group – diagnostic symptoms.  One example is that red hair is diagnostic of […]