I am teaching a PhD seminar this fall which attempts to put a decision-theoretic lens (or lenses) on research design. So e.g., statistical decision theory, eliciting beliefs & preferences, and rational benchmarks. Here's a draft syllabus docs.google.com/document/d/1... What's missing?

Just out in WWW last week! 📜Our work on substitution patterns between Wikipedia and ChatGPT. We find *heterogeneous* impacts, where Wiki articles that are similar to ChatGPT outputs see a greater drop in views than dissimilar articles: arxiv.org/abs/2503.00757

📣 Please repost 📣 We are hiring a staff Research Associate (pre-doc) at Columbia DRO! This is a great opportunity if you want to work on online platforms, urban economics, experiment design, or impacts of AI. Deadline to apply is May 15. For more info: business.columbia.edu/faculty/divi...

*Please repost* @sjgreenwood.bsky.social and I just launched a new personalized feed (*please pin*) that we hope will become a "must use" for #academicsky. The feed shows posts about papers filtered by *your* follower network. It's become my default Bluesky experience bsky.app/profile/pape...

Wow now THIS is some cool data viz. Insane looking at Manhattan and seeing the Billionaire's Row ultra high rises casting 20 block long shadows across Central Park...

"Life can get very exciting upon realising that a problem has more {axes/limits/...} than was initially apparent." <-- Maybe this says something about how exciting my life is, but I related to this...

Real footage of a synthetic control model

neat - wonder if there's some way to disentangle how these starter packs have shaped the resulting follower-following graph, compared to if we only had organic search

Coolest thing I've seen in a minute: hijacking mosquitoes to spread the malaria *vaccine* when they bite people www.nature.com/articles/d41...

Excited for the dialogue and the research community that this site is going to create!

ICYMI a starter pack to fill your feed with awesome women in AI go.bsky.app/LaGDpqg