Robert Lucas said that it’s hard to stop thinking about growth dynamics once you start. With this chart, it’s hard to stop thinking about the... lack of dynamics. Often wonder what to conclude from it.pic.twitter.com/CgMgQZiG0N
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Another example of the lack of regression discontinuity: deworming interventions are considered some of the best philanthropic opportunities... so why can't we see any effect at all of hookworm deworming in the American South charts?https://blog.givewell.org/2017/12/07/questioning-evidence-hookworm-eradication-american-south/ …
Possible confounder? https://en.wikipedia.org/wiki/Helminthic_therapy … (A bit far-fetched, but interesting to consider)
Population + Technology + globalization + fractional reserve lending that leads to larger loans and larger valuations on everything in the market 
It gets a bit scary when you run this chart next to our taxation and the percentage of revenue captured. Then run that next to our national debt and you give up hope in humanity...
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