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We document that, after remaining almost constant for almost 30 years, real labor productivity at U.S. restaurants surged over 15% during the COVID pandemic. This surge has persisted even as many conditions have returned to pre-pandemic levels. Using mobile phone data tracking visits and spending at more than 100,000 individual limited service restaurants across the […] More

Mar 13th, 2025 Lev Kokotov Postgres scales. No other two words that I’ve ever heard of, produced more controversy. At least in the circles I hang out in, in the company basement where infrastructure elves make the Rails app go brrr. A lot of people believe, against all odds, and marketing campaigns by Big NoSQL, […] More