Links this week:

1. W. Brian Arthur on economic complexity.
2. A great article on humans as imitators.
3. Higher latitudes have colder weather which leads to larger people which causes lower population and higher investment in children which triggers economic growth.
4. An epidemic of over-diagnosis.
5. Financial price data are converted into music, the music is played to a rat, then the rat guesses whether the price will fall or rise.
6. Is being good at science a matter of nature?
7. Women earn less even when they set the pay.
8. Social and cognitive skills are complements.

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