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Casey O. Barkan on Muck Rack

Casey O. Barkan

As seen in: BioRxiv, Physical Review B, RAND Corporation
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Articles

Open-Weight AI Models May Increase Biological Misuse Risks

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By Sunishchal Dev, Casey O. Barkan, Anthony Hakim
| RAND Corporation
Dev, Sunishchal, Casey O. Barkan, Anthony Hakim, Brooke Hollister, Jeffrey Lee, Alyssa Worland, Dawid Maciorowski, and Steph Guerra, Open-Weight AI Models May Increase Biological Misuse Risks: Assessing Anti-Refusal Tampering, Capability Enhancement, and Publicly Available Uncensored Models, RAND Corporation, RR-A5112-1, 2026. As of September 14, 2026: https://www.rand.org/pubs/research_reports/RRA5112-1.html Dev, Sunishchal, Casey O.
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Restricting AI Agent Use of Biological Tools

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By Casey O. Barkan, Christopher Rodriguez, Swaptik Chowdhury
| RAND Corporation
Topics Availability: Web-Only Year: 2026 Pages: 46 DOI: https://doi.org/10.7249/RRA5000-1 Document Number: RR-A5000-1 Barkan, Casey O., Christopher Rodriguez, Swaptik Chowdhury, Li Ang Zhang, and Roger Brent, Restricting AI Agent Use of Biological Tools: Exploring the Feasibility of Software Barriers, RAND Corporation, RR-A5000-1, 2026.
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AI could cause a drop in GDP, even if markets are competitive and efficient — LessWrong

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By Casey O. Barkan
| lesswrong.com
I present a macroeconomic model of a competitive economy that, counterintuitively, predicts that increases in the productivity of automation technology will decrease economic production. In the model, the decrease in production occurs over an intermediate range of automation productivities, and once automation productivity is high enough that all labor is replaced, production begins to rise. Most discussions of the economic impacts of AI assume that automation will increase total economic output.
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