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Stefano DellaVigna

@sdellavi

Behavioral economist at UC Berkeley and Co-director of Initiative in Behavioral Economics and Finance, Coeditor of the American Economic Review
Berkeley, CA eml.berkeley.edu/~sdellavi Joined June 2014
142 Following 16K Followers 803 Posts

Latest posts 5

Stefano DellaVigna @sdellavi
How much do behavioral frictions affect individuals? Which frictions have bigger effects on income losses? Are frictions regressive? Check out the forecast survey below @Devin_G_Pope @tedmiguel @evavivalt @katy_milkman @R_Thaler
Social Science Prediction Platform @socscipredict Sep 1
📣 How do decision-making frictions, like paying overdraft fees, aggregate to affect inequality? @sdellavi, @timdesilva, and Rohan Jha invite predictions across decision making domains!

🕐 Time: 20 min
🗓️ Close: Oct 31
📚 Field: Econ

socialscienceprediction.org/predict/r/c9e6…
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Stefano DellaVigna @sdellavi
If you are a friend of @berkeleyecon, consider giving. We do so much for our 1,400 majors and our terrific PhDs. As chair, I gave today and I encourage you to consider doing the same!
Berkeley Economics @berkeleyecon Mar 12
Today's Big Give, and there are ​8​ hours left to support Berkeley Economics! All gifts directly support our students, faculty & staff. If Berkeley Economics has made a positive difference in your life, please pay it forward and make a gift before 9 PM: givingday.berkeley.edu/giving-day/108…
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1 replies 1 reposts 52 likes 14K views View on X
Stefano DellaVigna @sdellavi
I agree with this take. Time for UC to reconsider the choice not to use SAT and ACT. Contributor: UC should go back to considering standardized tests in admissions - Los Angeles Times share.google/4gp886pHsOyecX…
www.latimes.com Contributor: UC should go back to considering standardized tests in admissions The five-year experiment in ignoring SAT and ACT results has failed. Continuing it would be a disservice to students who aren't prepared for college.
1 replies 10 reposts 62 likes 9.7K views View on X
Stefano DellaVigna @sdellavi
NEW with @evavivalt on forecasting social science. Results from the first 100 papers on the SSPP. Do people overestimate treatment effects? Are some predictors more accurate? Can forecasts be used for power calcs? Read on! @katy_milkman @Devin_G_Pope @lkatz42 @betsylevyp
Eva Vivalt Verified account @evavivalt Nov 24, 2025
🚨 New working paper!

How well do people predict the results of studies?

@sdellavi 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.... 🧵👇
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