Nothing like the feeling of picking up a project that you set aside months ago and solving the problem you were hung up on.

Today’s perspective

Is diff in diff just a very specific and highly-manual form of matching?

How is it that I can stream TikTok's all day long, but getting a weather radar animation takes for-ev-er?

I'm very sad to share the news that my dear colleague ..Daniel Korschun.. passed away last week. He brought an endless supply of espresso and optimism to our department that I will miss. You can read more at mailchi.mp/lebow/remember…

How many consumers should a campaign reach or what budget should be set? Caio Waisman and I present a method for these *intensive margin* ad decisions. 📜"Multi-cell experiments for marginal treatment effect estimation of digital ads", soon at MngSci. arxiv.org/abs/2302.13857

On September 13, 1826, Anthony J. Drexel was born in Philadelphia. Happy birthday to our university's founder!

You want to know the effect of some treatment on an outcome and have a time series of outcomes for each subject pre- and post-treatment. Access to treatment is regional and is arguably quasi-random. Compliance is definitely not random. What analysis would you do?

🎇 PhD student internships in Computational Social Science at Microsoft Research NYC 🎇 These are 12 week, in person internships with some combo of Dan Goldstein, Jake Hofman, & David Rothschild Early (January - April) start dates somewhat preferred jobs.careers.microsoft.com/global/en/job/…

Goodbye X. You can find me over at BS. Still Elea McDonnell Feit over there.

#Eagles and #Dragons fly together! 💚🦅🤍 💙🐉💛 Drexel will close on Friday to join the rest of #Philly in celebrating the Champions!

Check out some of the cool events on global trade and sanctions that my colleagues at the new Center for Global Policy Analysis are planning!