

Columbia University
Jeffrey Shrader
Associate Professor
Columbia University, SIPA
jgs2103@columbia.edu
Office hours: click here to book
2025-08-07
Matthew Gibson, Derek Lemoine, and I have submitted these public comments to the EPA on their proposed repeal of Greenhouse Gas Emissions Standards for Fossil Fuel-Fired Electric Generating Units.
2025-07-27
The blog post “Temperature Autocorrelation And Forecasts” has been updated!
2025-07-27
Running weather regressions and using clustered standard errors? I have a modest proposal to cluster at the National Weather Service (NWS) County Warning Area (CWA) level. (...more)
2025-07-25
The blog post “Thoughts On Public Weather Forecasting” has been updated!
2025-07-22
Temperature exhibits high temporal autocorrelation. Regressing daily, county average temperature in the continental U.S. on its own first lag yields a coefficient of 0.95, a t-stat of 730 (standard errors clustered at the National Weather Service County Warning Area level) and an R^2 of 0.9. Regressing temperature on its own first 7 lags yields the following coefficients. (...more)
2025-06-12
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)