Climate change hurts the economy, according to a celebrated 2012 paper by economists Melissa Dell, Benjamin Jones and Benjamin Olken. That paper is in the top 1% of all academic economics publications by citation count, and it has received glowing coverage in the media. The authors teach at Harvard, Northwestern and the Massachusetts Institute of Technology, respectively, and have received some of the highest awards in the profession. I took a closer look at their study, and it doesn’t hold up.
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