Erik Brynjolfsson (@erikbryn) 's Twitter Profile
Erik Brynjolfsson

@erikbryn

Director @DigEconLab
Co-founder, @Workhelix
@StanfordHAI @SIEPR @Stanford amazon.com/Second-Machine…

ID: 92116069

linkhttp://brynjolfsson.com calendar_today23-11-2009 21:18:26

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Stanford Digital Economy Lab (@digeconlab) 's Twitter Profile Photo

"We are investing so much in driving the capabilities for hundreds of billions of dollars, and we're investing very little in ensuring that leads to widely shared prosperity." Director Erik Brynjolfsson discussed AI and future of work with NPR's Steve Inskeep. npr.org/2025/08/05/nx-…

Jonathan Hersh (@hershprof) 's Twitter Profile Photo

Really incredible that Daniel Rock and OpenAI's research in 2023 forecasted which jobs would eventually use GenAI. This is strong support for the task based approach to work used by David Autor Erik Brynjolfsson and others. Jobs might just be bundles of tasks!

Adam Grant (@adammgrant) 's Twitter Profile Photo

Using AI doesn’t have to make us dumber. Evidence: AI boosts service rep productivity and customer satisfaction. Even during AI outages, those who use it regularly are more effective. Outsourcing thinking to AI yields cognitive debt. Learning from AI pays cognitive dividends.

Using AI doesn’t have to make us dumber.

Evidence: AI boosts service rep productivity and customer satisfaction. Even during AI outages, those who use it regularly are more effective.

Outsourcing thinking to AI yields cognitive debt. Learning from AI pays cognitive dividends.
Jeff Dean (@jeffdean) 's Twitter Profile Photo

My longtime collaborator Dave Patterson (long-time faculty at UC Berkeley, Association for Computing Machinery Turing Award winner, and fellow Laude Institute board member) wrote a very good op-ed about how continued investing in basic science and technology research is essential for the U.S. Dave

Lawrence H. Summers (@lhsummers) 's Twitter Profile Photo

Argentina went completely off track because of decisions made in a few years by an elected — through a democracy — leader who pursued autocracy rather than venerating democracy. And that should be a cautionary tale for everyone in the business community and everyone involved in

James Cham (@jamescham) 's Twitter Profile Photo

Just read the new Dan Wang book Breakneck. It is an extended version of his annual letters from China: original reporting, details I don’t get anywhere else, and smart insights that will be repeated in MSM later. So I’m going to host a chat with Dan and Noah Smith 🐇 a few days

Mark Warner (@markwarner) 's Twitter Profile Photo

After years of inaction, we’re finally taking action on lowering housing costs. There’s more to do, and I’m ready to keep leading the charge.

After years of inaction, we’re finally taking action on lowering housing costs. There’s more to do, and I’m ready to keep leading the charge.
Andrej Karpathy (@karpathy) 's Twitter Profile Photo

I'm noticing that due to (I think?) a lot of benchmarkmaxxing on long horizon tasks, LLMs are becoming a little too agentic by default, a little beyond my average use case. For example in coding, the models now tend to reason for a fairly long time, they have an inclination to

Rohan Paul (@rohanpaul_ai) 's Twitter Profile Photo

A 457-page Stanford 2025 AI Index Report - Costs fell fast, GPT-3.5-level inference dropped 280x, hardware -30%/year, efficiency +40%/year, open-weight gap 1.7%. - Training compute doubles every 5 months. - Optimism rose but divides are large, China 83% vs US 39% see net

A 457-page Stanford 2025 AI Index Report

- Costs fell fast, GPT-3.5-level inference dropped 280x, hardware -30%/year, efficiency +40%/year, open-weight gap 1.7%.

- Training compute doubles every 5 months.

- Optimism rose but divides are large, China 83% vs US 39% see net
Scott Lincicome (@scottlincicome) 's Twitter Profile Photo

Goldman's latest (still very early) analysis of tariff effects thru June 2025: -Foreign exporters absorbed 14% of US tariffs -US companies ate 64% -US consumers ate 22% -Protected US companies also raised prices -Consumers will see bigger price increases (70%) thru the Fall

Goldman's latest (still very early) analysis of tariff effects thru June 2025: 
-Foreign exporters absorbed 14% of US tariffs
-US companies ate 64%
-US consumers ate 22%
-Protected US companies also raised prices
-Consumers will see bigger price increases (70%) thru the Fall
Jonathan Haidt (@jonhaidt) 's Twitter Profile Photo

Testimonials are coming in from teachers about their newly phone-free schools, and the amazing things that students are now doing. Like taking notes, completing their assignments, then talking to each other. "Was it this easy of a solution the whole time?"

Erik Brynjolfsson (@erikbryn) 's Twitter Profile Photo

What's the best explanation for the 20-30 year lows in crime rates in Washington, DC, San Francisco, NYC and other major US cities?

What's the best explanation for the 20-30 year lows in crime rates in Washington, DC, San Francisco, NYC and other major US cities?
Bryan Caplan (@bryan_caplan) 's Twitter Profile Photo

"Simply strolling around New York makes nativism intellectually and emotionally hard to sustain.  Ubiquitous foreigners educate far more effectively than holier-than-thou preaching ever could." betonit.ai/p/natives_are_…

Bryan Caplan (@bryan_caplan) 's Twitter Profile Photo

"What country has ever suffered from cosmopolitan tolerance run amok?  From focusing on people’s common humanity rather than superficial differences?  From judging people on their merits instead of their origins?" betonit.ai/p/natives_are_…