Author Archives: harpend

Charles Murray and Robert Putnam on class

Charles Murray recently wrote Coming Apart about growing class differences in white Americans. Robert Putnam, a Harvard professor of government or something, has a new popular book, Our Kids: The American Dream in Crisis. They apparently say much the same … Continue reading

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Draft of paper about Amish

Mike Weight and I have a draft of a manuscript about responses to personality tests by Amish and non-Amish young men from the same county in Indiana. We have mentioned this material before on the blog. The paper is getting … Continue reading

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At Least Erroneous in Faith

A large collection of prominent geneticists has published a group letter to the New York Times Book Review endorsing a negative review of Nicholas Wade’s “A Troublesome Inheritance: Genes, Race, and Human History.” They speak of “Wade’s misappropriation of research … Continue reading

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Simple Mobility Models II

This is a sequel to the previous post exploring quantitative genetic models of income inequality motivated by the findings in Gregory Clark’s new book [1]. A simple quantitative genetic model must rely on the assumption of an underlying normal distribution … Continue reading

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Simple Mobility Models

Greg’s previous post reviewing Gregory Clark’s new book has generated some interesting discussion. Reviewers elsewhere and some of our customers have been surprised at the persistence of social class by surname and speculated that this implies genetic transmission of class. … Continue reading

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“I regret studying social anthropology”

The best part of running a blog is the quality of many of the people who show up.  A recent customer, “A.J. West”, has a blog of his own here that our readers will surely enjoy. Periodically on this blog Greg … Continue reading

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Inferring an AQ

Back in December Greg and I posted a draft of a paper on assortative mating, class, and caste. We asked for input and we got a lot, for which we are grateful. In that manuscript we described a thought experiment … Continue reading

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