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Works in Progress issue 19 is live! 🚅💊🇯🇵 - One weird trick to build a metro - The FDA's secret liberalisation of animal drugs - How Japan builds infrastructure through cities - Brain-computer interfaces - How NZ invented inflation targeting And more! worksinprogress.co

Lots of fascinating (and scary!) work here: - IHME estimates lead is the 8th largest cause of death in the world - Living near a battery recycling site could cost the equivalent of 3 years of schooling - Batteries are a big share of the problem - Huge # of kids remain at risk

A lot of US cities have experienced population decline, and some never recovered to their peak populations. Still, many of these places reached peak household counts in 2020. In a new blog post, I discuss this trend, and its important implications for urban housing supply

This is a boring empirical question IMO and not like a grand clash of visions.

Something I’d love to read more about is regulations on crane usage. I have a perception (surprisingly hard to check) that the US greatly underindexes on crane usage (eg reports of thousands of cranes active in Spain pre GFC) and city variation in crane usage also real

Total insanity

Some recent experiments in getting external scrutiny on GiveWell grants — forecasting the mortality effects of chlorine, qualitative research on vitamin A in Nigeria, and hearing from LMIC policymakers ⤵️