Stefano DellaVigna
sdellavi.bsky.social
Stefano DellaVigna
@sdellavi.bsky.social

Behavioral economists at UC Berkeley

Economics 32%
Business 27%

Reposted by Stefano DellaVigna

Dunning-Kruger effect in practice:

In 53k forecasts across 100 projects, people who are more confident are actually much less accurate.

New 📄 by @evavivalt.bsky.social & @sdellavi.bsky.social

Reposted by Stefano DellaVigna

Very interesting work by @evavivalt.bsky.social and @sdellavi.bsky.social. Particularly intriguing is the finding that a surprising negative relationship between confidence and accuracy is accounted for by a subset of persistently overconfident forecasters.
🚨 New working paper!

How well do people predict the results of studies?

@sdellavi.bsky.social and I leverage data from the first 100 studies to have been posted on the SSPP, containing 1,482 key questions, on which over 50,000 forecasts were placed. Some surprising results below.... 🧵👇
🚨 New working paper!

How well do people predict the results of studies?

@sdellavi.bsky.social and I leverage data from the first 100 studies to have been posted on the SSPP, containing 1,482 key questions, on which over 50,000 forecasts were placed. Some surprising results below.... 🧵👇

Reposted by Stefano DellaVigna

Excited to announce our amazing lineup of speakers for the 2026 JDM preconference at SPSP!

Conference date: Feb 26th
Location: Chicago
Deadline to apply: Oct 23rd.

Application link: spsp.wufoo.com/forms/2026-p...

cc: @sdellavi.bsky.social, @hirshmansam.bsky.social, @vinisingh.bsky.social
Not quite sure how to put it all in words, but I just spent an extraordinary day celebrating my dissertation adviser, Larry Katz. Feeling grateful, proud, and (re-) inspired.

Larry has raised so many extraordinary economists that being in the same room as them was overwhelming.

Reposted by Stefano DellaVigna

📣 Interested in making more forecasts? Want to get paid for doing so? Apply for the SSPP Forecasting Panel! Panelists receive $400 a year + a $300 bonus for high accuracy.

Apply here: socialscienceprediction.org/predict/r/09...

@cega-uc.bsky.social @evavivalt.bsky.social @sdellavi.bsky.social
Apply to Join our SSPP Forecasting Panel 2.0!
Would you like to stay informed about the latest developments in social science research, assess your forecasting accuracy, and receive financial compensation for your participation in the process? Ap...
socialscienceprediction.org

Reposted by Stefano DellaVigna

Nobel prize winner George Akerlof (my former colleague) on the firing of statistics officials:

www.nytimes.com/2025/08/03/o...
Opinion | What to Do When the President Acts Like a Five-Year-Old?
www.nytimes.com
Statement from the largest economics association about the BLS firing

As context: AEA approximately never makes such public statements

This is a big deal

Reposted by Stefano DellaVigna

Reposted by Stefano DellaVigna

Reposted by Stefano DellaVigna

I have both *thoughts* and *feelings* about Trump attacking Harvard. And I want to share them with you.

Reposted by Stefano DellaVigna

Reposted by Stefano DellaVigna

🏆 Winner Announced! 🏆

Congratulations to Alexander Coutts & Séverine Toussaert — winners of the 2025 SSPP Outstanding Use of Forecasts Award ($10,000) for “Beliefs about choice reversals”!

See the winning survey here: socialscienceprediction.org/predict/r/f6...
Beliefs about choice reversals
In this study, you will submit a total of 21 forecasts related to how individuals make choices about future work allocations, what they believe about their future work allocations, as well as other re...
socialscienceprediction.org

NBER @nber.org · Apr 29
The Thresholding Multiple Outcomes method addresses spatial correlation in regressions by using information from additional outcomes to identify correlated locations, from Stefano DellaVigna, Guido Imbens, Woojin Kim, and @dritzwoller.bsky.social https://www.nber.org/papers/w33716

Reposted by Stefano DellaVigna

Reposted by Stefano DellaVigna

Lise is a terrific economist with so many ground breaking contributions... as well as one of the most caring and genuine persons you will find. Very well deserved!