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Isaac Opper

@imopper.bsky.social
200 followers 220 following 18 posts

Senior economist at RAND

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Reposted by Isaac Opper
Matthew A Kraft @matthewakraft.com · 11/08/2026
The #SustainableED team's first publication is out in @pnas.org. We document the scale of potential pollutant & carcinogen exposure across US K12 schools. 8% of all schools are within a few blocks of EPA registered hazard sites. Exposure risk is highly inequitable. 🧵
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Matthew Doyle @mattdoyle.bsky.social · 07/07/2026
Watching the USMNT go out like this after the way Canada and Mexico fought for their lives really sucks.
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Matthew Doyle @mattdoyle.bsky.social · 06/07/2026
(everything he touches turns to shit, anyone who thinks this isn't cursed is fooling themselves, belgium by a million)
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Jeff Rueter @jeffrueter.bsky.social · 25/01/2026
Kare 11 local news just read, in full, this statement from Michael and Susan Pretti, the parents of Alex Pretti. "Please get the truth out about our son."
Statement from Michael and Susan Pretti
Parents of Alex Jeffrey Pretti

“We are heartbroken but also very angry.

Alex was a kindhearted soul who cared deeply for his family and friends and also the American veterans whom he cared for as an ICU nurse at the Minneapolis VA hospital. Alex wanted to make a difference in this world. Unfortunately, he will not be with us to see his impact.

I do not throw around the ‘hero’ term lightly. However, his last thought and act was to protect a woman. The sickening lies told about our son by the administration are reprehensible and disgusting. Alex is clearly not holding a gun when attacked by Trump’s murdering and cowardly ICE thugs. He had his phone in his right hand and his empty left hand is raised above his head while trying to protect the woman ICE just pushed down, all while being pepper sprayed. 

Please get the truth out about our son. He was a good man. Thank you.
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Jeff Rueter @jeffrueter.bsky.social · 24/01/2026
“Are you okay?” “I’m not even mad at you, dude.” Compared with their killers’ remarks: “Boo hoo.” “Fucking bitch.”
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Aaron Rupar @atrupar.com · 24/01/2026
Protester in Minneapolis just before disappearing in gas: "Fuck you! Stop. Damn! I'm 70 years old and I'm fuckin' angry!"
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Joel S. @joelhs.bsky.social · 23/01/2026
One of my strongly-held beliefs is that this country will be far worse off if we end up with a dichotomy between an explicitly religious right and a self-consciously secular and even anti-religious left. To that end, I am heartened to see the number of clergy rising to action against ICE.
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Federal Reserve @federalreserve.gov · 12/01/2026
Video message from Federal Reserve Chair Jerome H. Powell: www.youtube.com/watch?v=KckG... www.federalreserve.gov/newsevents/s...
youtube.com
Statement by Federal Reserve Chair Jerome H. Powell
YouTube video by Federal Reserve
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Andy Craig @andycraig.bsky.social · 09/01/2026
I don't know what her religious views were and of course that's not the point, but this is what actual Christian martyrdom looks like.
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Popehat @kenwhite.bsky.social · 09/01/2026
/2 In light of that, I am in awe and deep respect of the people who are still showing up to monitor the ICE Gestapo, protect and defend their neighbors, do whatever they can to hold ICE to account and call out their lawlessness. What incredible bravery.
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Gillian Branstetter @gbbranstetter.bsky.social · 08/01/2026
Editorial in the National Catholic Reporter: "The vice president's comments justifying the death of Renee Good are a moral stain on the collective witness of our Catholic faith. His repeated attempts to blame Good for her own death are fundamentally incompatible with the Gospel."
ncronline.org
Catholic Vice President Vance takes to social media to justify killing of Renee Good
After the tragic shooting of Renee Good at the hands of ICE, the Catholic vice president of the United States took to social media to justify the killing.
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Jesse Bruhn @jessebruhn.bsky.social · 10/12/2025
Hey #econsky! I'm organizing a workshop at Brown this Spring in partnership with Eric Nielsen and Viviana Rodriguez. The topic is educational measurement. Please submit a paper/extended abstract! We'd love to consider your work. And please help us spread the word to folks who aren't on bluesky!
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Kevin Collins @kwcollins.bsky.social · 05/11/2025
A pro-affordability, anti-Trump-corruption message unites the party. Every candidate can run on that, and every candidate can have their own take to fit that to their constituents. There's really no need to find fights to pick when the party agrees on more than it disagrees
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Isaac Opper @imopper.bsky.social · 26/07/2025
This situation is so so sad. But I've finally remembered that doing something, however small it seems, is better than doing nothing. I set up a recurring donation and would encourage others to consider doing so as well.
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David Darmofal @daviddarmofal.bsky.social · 04/07/2025
Miami, FL Catholic priest Father Federico Capdepón: “To have this Alligator Alcatraz is a very sinful initiative — to say nobody can escape because the gators are around is very sinful.” catholicreview.org/miami-clergy...
catholicreview.org
Miami clergy raise concerns as Trump tours Florida's 'Alligator Alcatraz' - Catholic Review
Most Americans agree on the need for good U.S. border security, but to hear politicians and civil authorities hurl insults and jokes at the expense of migrants as Florida opened its new "Alligator Alc...
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alex williams @atwilliams.bsky.social · 14/02/2025
like the old joke about being a liberal when you're young and a conservative when you're old: "if you didn't have trump derangement syndrome in the first admin, you have no heart; if you didn't have trump derangement syndrome in the second admin, you have no brain"
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Michael Caley @michaelcaley.bsky.social · 14/02/2025
obviously this is terrible for democracy and the rule of law in America but I'm also offended on behalf of the prisoner's dilemma
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Rachel M. Perera @rachelmarisa.bsky.social · 11/02/2025
this from a representative at American Institutes for Research about DOGE/Trump cancelling IES contracts is spot on (& good on them for speaking out clearly about this)
“This is an incredible waste of taxpayer dollars, which have been invested—per Congressional appropriations and many according to specific legislation—in long-standing data collection and analysis efforts, and policy and program evaluations,” Tofig said. “These investments inform the entire education system at all levels about the condition of education and the distribution of students, teachers, and resources in school districts across America. Many of these contracts are nearing completion and canceling them now yields the taxpayers no return on their investment. If the purpose of such cuts is to make sure taxpayer dollars are not wasted and used well, the evaluation and data work that has been terminated is exactly the work that determines which programs are effective uses of federal dollars, and which are not.”
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Mike Goodman @themlg.bsky.social · 21/01/2025
Step 1: Don’t doom on the timeline. Step 2: Don’t doom at all. Step 3: Do things. Small things count. Step 4: Repeat forever. This is both exhausting and liberating.
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Ethan Jacobs 🇺🇦 @ejacobslaw.com · 08/01/2025
LA fires are a good reminder that the only difference between me and any refugee is luck.
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Joshua Goodman @joshua-goodman.com · 23/12/2024
The US Dept of Ed is looking to hire an Economist as a career position at the GS-13 level. The deadline is in 3 days! Could be a great opportunity (and happy to tell you more from my time interacting with that team). www.usajobs.gov/job/825004800
usajobs.gov
Economist, GS-0110-13, FPL: GS-13 (Direct Hire)
<p>This position is in the immediate Office of the Under Secretary (OUS), located in Washington, DC. OUS assists the Secretary in the discharge of Secretarial duties and responsibilities, focusing&nbs...
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Isaac Opper @imopper.bsky.social · 04/12/2024
1/ Want to estimate the average effect of a treatment rather than restricting your estimate to the compliers? My paper just out in the Journal of Econometrics gives you another tool, with an R package available on GitHub! www.sciencedirect.com/science/arti...
sciencedirect.com
From LATE to ATE: A Bayesian approach
We develop a Bayesian model that produces a posterior distribution of the marginal treatment effect (MTE) function. The method provides researchers wi…
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Jesse Bruhn @jessebruhn.bsky.social · 14/11/2024
In Baghdad in 2008 some of the most squared away patrols I ever went on were lead by female MPs (another victory for the roy model #EconSky). Women have been in combat jobs (formally / informally) for 20 years now and we still have the greatest military on earth. Why would anyone want to go back?
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Isaac Opper @imopper.bsky.social · 18/11/2024
And written by some of the kindest people out there!
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