Profile of Raj Chetty

By Gareth Cook, interesting and excellent throughout, here is one good bit of many:

For example, the strongest correlation is the number of intact families. The explanation seems obvious: A second parent usually means higher family income as well as more stability, a broader social network, additional emotional support, and many other intangibles. Yet children’s upward mobility was strongly correlated with two-parent families only in the neighborhood, not necessarily in their home. There are so many things the data might be trying to say. Maybe fathers in a neighborhood serve as mentors and role models? Or maybe there is no causal connection at all. Perhaps, for example, places with strong church communities help kids while also fostering strong marriages. The same kinds of questions flow from every correlation; each one may mean many things. What is cause, what is effect, and what are we missing? Chetty’s microscope has revealed a new world, but not what animates it—or how to change it.

Here is the full piece.


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