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kmcelheran.bsky.social
AP University of Toronto. Digitization scholar studying firm use of technology, productivity, strategy, and the future of work.
139 posts 1,798 followers 1,316 following
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The Flaming Waymos is a name in search of a cover band

submitted 6 days ago • 12 comments

My latest on reasoning models and that new Apple paper. open.substack.com/pub/joshuaga...

submitted 7 days ago • 1 comment

Most people think trade is “cars for wine.” But the moment you realize that trade is mostly in intermediate goods—stuff like steel, or aluminum—your whole perspective changes. Tariffs aren’t taxes on “them.” They’re taxes on your own country's production line.

submitted 8 days ago • 19 comments

I have a new book! Digital Platform Regulation. Fun analysis of what society should do to get some competition out of of our favorite gatekeeper platform. Relevant to the DMA and US antitrust remedies. And free! Download here: som.yale.edu/centers/thur...

submitted 10 days ago • 1 comment

We have a new WP out that looks at school masking during the COVID pandemic. Using the removal of CDC school masking guidance as an exogenous shock to district and state policies & data on district masking nationwide, we find mandate removals contributed to at least 9% of US COVID deaths in 2022.

submitted 15 days ago • 11 comments

Yay Also: this is exhausting for everyone, and I believe that is their point Gift article www.nytimes.com/live/2025/05...

submitted 17 days ago • 3 comments

NEW: First, diplomats warned what will happen if we halt aid to the rest of world. Now they are telling the Trump Administration what is actually happening: death, crime, sexual violence, trafficking. www.propublica.org/article/trum... @brettmurpsych.bsky.social & @annamaria.bsky.social:

submitted 17 days ago • 60 comments

My husband (un)helpfully pointed out that I am doing it wrong…this is NOT the summer of ‘69…

submitted 22 days ago • 1 comment

Last night Russia attacked a European capital with ballistic missiles and hundreds of drones. Today the story barely registers in international news headlines. Western normalization and acceptance of Russian atrocities in Ukraine is what makes them possible.

submitted 22 days ago • 36 comments

SCOOP from me: the mass exodus of employees from NOAA is decimating a tiny office that literally keeps our measurements of latitude and longitude accurate — and, former employees tell me, endangers the science of how the US understands global measurements:

submitted 25 days ago • 52 comments

#econsky What do we know about “Artificial Intelligence, Scientific Discovery, and Product Innovation” and about MIT's investigation of this paper, which apparently led to expulsion of its author? And what should we change in response. /1

submitted 28 days ago • 3 comments

Whoa.

submitted 30 days ago • 0 comments

Amidst all the posts about how NSF funds the basic science that (eventually) leads to marketable products, its role in funding data infrastructure is getting lost. The GSS (1972), ANES (late 1960s), and PSID (1968) are rounding error in the discretionary budget but vital national resources. 1/6

submitted 32 days ago • 6 comments

😂 At least your computer didn’t get randomly remotely rebooted by IT while they were ALL open and you went for a cup of tea unaware of the looming thought apocalypse…

submitted 33 days ago • 0 comments

Absolute malpractice for Quebec to cap international student admissions right now, when so many extraordinary international students are looking for alternatives to American universities. www.cbc.ca/news/canada/...

submitted 37 days ago • 2 comments

It occurs to me on a regular basis that every news article, popular book, and a fair number of academic articles begin with some descriptive statistic…but few really pause to think about measurement, how hard it is, and that someone somewhere has to pay to collect the data. #bigyellowtaxi

submitted 40 days ago • 0 comments

Um, Music Nerds are also (the best kind of) Nerds?!

submitted 41 days ago • 0 comments

#MusicSky #MayTheFourth

submitted 42 days ago • 535 comments

Quite the quote.

submitted 47 days ago • 4 comments

The day this happened and the variations on the theme were hilarious! Implications, however are quite sobering…

submitted 48 days ago • 0 comments

Now is an excellent time to familiarize oneself with the “Bullwhip Effect.”

submitted 48 days ago • 2 comments

I’m sure that if we “keep a human in the loop” nothing bad can happen with AI.😳

submitted 53 days ago • 0 comments

Thank you for that, Slackbot.

submitted 58 days ago • 7 comments

"On Tyranny" is a #1 NYT bestseller again. I wish the moment were different. But I’m glad the book is useful. And grateful for all the kind words about putting the 20 lessons to work. snyder.substack.com/p/twenty-les...

submitted 57 days ago • 502 comments