I am an environmental economist at Columbia University's School of International and Public Affairs (SIPA). I am affiliated with CEEP, the Climate School, and the Institute for the Study of Labor (IZA). From 2023 to 2024, I was a Senior Advisor in the Office of Information and Regulatory Affairs (OIRA). I study how forecasts and other types of information affect actions in settings including adaptation to climate change, risk-taking in research, and time use. These days, I am especially fascinated by how people perceive and use weather forecasts—a decades-long information intervention going on every hour of the day, all around the world.

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What is the economic justification for government production of weather forecasts? The question has gained particular relevance during the first and second Trump administrations, and this is my place to collect and clarify economic reasoning related to the question, focusing on "classic" economic rationales for public policy. (...more)

No better time than 2025 to create your own blog, as they say. I have a few posts lined up on topics of recent or enduring interest including thoughts on public versus private weather forecasting, the practice and philosophy of science, a planned recurring series on facts that surprise me, and a meta post about the creation of blog tools using AI assistance. Stay tuned! (...more)

New working paper! Age and occupation are both risk factors for heat-related mortality, and the two combine to especially affect young, agricultural workers.

I have been promoted to Associate Professor (without tenure) at Columbia’s School of International and Public Affairs.

New working paper: Competition Constrains Adaptation to Climate Shocks. Part of a new series of papers I am working on focused on the costs and constraints people face when adapting to climate shocks. This paper finds that greater market competition reduces the amount of adaptation in the consumer finance sector in Ghana.

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