In December 2025, researchers led by Yazan Alwadi at Harvard’s T.H. Chan School of Public Health published a paper in Environmental Health that claimed to find that cancer incidence increased for people living closer to nuclear power plants in Massachusetts. In March, the same researchers published…
Americans rarely marry outside their race or class group, a pattern with well-documented implications for inequality and intergenerational mobility. Limited exposure may partly explain these low intergroup marriage rates. We instrument for exposure using variation in childhood neighborhoods based…
The Japanese elderly, to be clear: Population aging and shortages of long-term care workers have increased interest in care-giving robots and information and communication technology (ICT). This paper provides novel large-scale evidence on older individuals’ perceptions of such technologies…
1. Rewarding failure? 2. An excellent Brian Potter explainer on how matrix algebra is used in both LLMs and robotics. 3. Chat with Mircea Cărtărescu. 4. It seems the expansion of remote work reduced births? 5. “Living Science uses an AI agent to reproduce key findings from seminal papers in…
In the past year American markets have digested the largest-ever initial public offering (SpaceX), equity raise by a public company (Google) or a foreign firm (SK Hynix), private-funding round (OpenAI) and private-debt deal (Broadcom), as well as most of the biggest bond issue in history (Amazon).…
Volume 23, Issue 2, September 2026 In this issue: “China shock” fragility: According to David Autor, David Dorn, and Gordon Hanson (2013), the “China shock” hit the United States from 1990 to 2007. When corrections by Kirill Borusyak et al. (2022) are fully applied, Joseph Francis argues, the harm…
For taxes too: Using administrative data from Scandinavian countries, we provide evidence on international migration responses to wealth taxes and evaluate their aggregate economic implications. We find significant migration responses among the wealthy: A 1 percentage point increase in the top…
1. How rich was Anglo-Saxon England? 2. New game theory paper on AI races. 3. Scott Sumner movie reviews, please note he is always correct and thus the greatest film critic in the world, at least by that metric. 4. What should the AI safety movement be? 5. The frontier models are beating licensed…
Computer scientists Arvind Narayanan & Sayash Kapoor wrote AI as Normal Technology The statement “AI is normal technology” is three things: a description of current AI, a prediction about the foreseeable future of AI, and a prescription about how we should treat it. We view AI as a tool that we can…