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What are the productivity costs of dispersed tax policies? New work (w/ Lassi Ahlvik, Jørgen Juel Andersen, Torfinn Harding, Trew) finds a single tax policy explains >50% of misallocation in a major sector. A century of data reveals how. 🧵 #EconTwitter #Productivity

Simply bonkers, and I don't really play video games...x.com/i/status/19298…

The narrative linking Japan’s stagnation since 1991 to its financial crisis is largely a myth, more recently discussed in this episode of Dwarkesh Podcast. Japan’s growth performance is almost entirely explained by poor demographics. See Table 1 of my paper with Gustavo Ventura

AI stitching together multiple video feeds into one omniscient traffic god. This is what happens when cameras start talking to each other -- mapping the trajectory of every vehicle and pedestrian seamlessly across cameras. Spatial intelligence is coming to a city near you.

So... basically a form of the Lucas critique?

I'm confused by this Twitter trend. My US friends—I live in a small UK village with three similar-sized stores within a 15-minute drive. Most of those products are available too. What are these people so excited about?