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Troy Tassier

@troytassier

Public health, health equity, economic inequality, complex systems, social networks Economist at Fordham Author: The Rich Flee and the Poor Take the Bus: How Our Unequal Society Fails Us during Outbreaks (JHU Press) Book webpage: troytassier.com

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11.09.2023
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Latest posts by Troy Tassier @troytassier

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Quantifying the spatiotemporal dynamics of the first two epidemic waves of SARS-CoV-2 infections in the United States Author summary In this work, we developed a set of tools and methods designed to produce high-resolution visualizations, as well as to quantify the complex and intricate patterns associated with the s...

Three years ago we set out to visualize and quantitatively examine the movement of SARS-CoV-2 leading up to the first two major COVID-19 waves in the US. Today all that hard work "hit the shelves" at PLOSCompBio. πŸ›Ÿ Watch the spread (we have movies) and read more here: dx.plos.org/10.1371/jour...

04.03.2026 21:58 πŸ‘ 16 πŸ” 11 πŸ’¬ 2 πŸ“Œ 2

It’s a great paper!

06.03.2026 19:52 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I put $50 in my gas tank this morning at $3.59/ gallon and then I see the job loss report. Seems there’s no doubt that those consumer sentiment numbers that journalists claimed were β€œat odds w/ Econ data” represented something more than β€œfeelings.” They represented real economic hardship.

06.03.2026 17:26 πŸ‘ 15 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0

Yowza! At a time when we need journalists the most, we’re looking at this.

06.03.2026 17:22 πŸ‘ 13 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
a graph of the year-on-year % change in Newspaper jobs

a graph of the year-on-year % change in Newspaper jobs

Total newspaper employment growth rates fell to the lowest levels since early COVID in data released this morningβ€”and this data does not cover the February layoffs at the Washington Post.

Fewer than 80k people now work at newspapers in the United States.

06.03.2026 14:15 πŸ‘ 110 πŸ” 19 πŸ’¬ 4 πŸ“Œ 3

When people say "The economy is doing great!" The correct response is always "for whom?"

06.03.2026 14:44 πŸ‘ 17 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
a graph of year-on-year change in US manufacturing employment

a graph of year-on-year change in US manufacturing employment

The US continues to lose manufacturing jobsβ€”payrolls are down 100k over the last year, & another 12k jobs were lost in February

Transportation (especially auto manufacturing), chemicals, & wood are the biggest losers, but few subsectors are doing well

06.03.2026 13:56 πŸ‘ 137 πŸ” 37 πŸ’¬ 3 πŸ“Œ 7

Anyone want to remind us abt the stock market again? Even when you look at the overall macro variables in the labor mkt things don’t look too bad. But when you start breaking out core sectors like this you see why people are dissatisfied and frustrated. It isn’t β€œfeelings,” it’s people’s lives.

06.03.2026 13:59 πŸ‘ 11 πŸ” 2 πŸ’¬ 1 πŸ“Œ 1

That had to be eerie. I remember the first time I drove home to Michigan from NY in summer 2021. We hit western PA and Ohio and it felt like I was in the twilight zone. Rest stops, gas stations with not a mask in sight. Have to imagine Sturgis was a millions times worse.

06.03.2026 02:42 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Screw Covid, I'm going to Sturgis. Troy Tassier is a professor of economics at Fordham University and the author of The Rich Flee and the Poor Take the Bus: How Our Unequal Society Fails Us during Outbreaks.

So @troytassier.bsky.social has written up the results from my @yalesph.bsky.social colleague @rafalpx.bsky.social's brand new paper in PLoS Comp Bio. Read it. With a guest appearance by #KristiNoem. troytassier.substack.com/p/screw-covi...

06.03.2026 01:11 πŸ‘ 53 πŸ” 18 πŸ’¬ 0 πŸ“Œ 2

Cool acct. thanks!

05.03.2026 21:35 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I don’t think I’d put this all on her, but like now, she was on the wrong side of history.

05.03.2026 21:33 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

πŸ‘‡A comment on our recently published work in @plos.org Computational Biology!

05.03.2026 19:37 πŸ‘ 25 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0

I’ll have to read up on it. I know abt the biogen event in Boston and the Albany Georgia funerals in late February but I have heard about the book fair.

05.03.2026 16:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Didn’t know about the book fair. Thx. πŸ™

05.03.2026 16:29 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Agree.

05.03.2026 16:11 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Screw Covid, I'm going to Sturgis. Troy Tassier is a professor of economics at Fordham University and the author of The Rich Flee and the Poor Take the Bus: How Our Unequal Society Fails Us during Outbreaks.

"Screw Covid, I'm going to Sturgis!" The Sturgis Motorcycle Rally, held in August 2020, was the epitome of the individual choice mindset. Of course it spread cases outward and caused infections, illness, and death. A new research paper allows us to watch the Sturgis Covid wave spread across the US.

05.03.2026 15:58 πŸ‘ 277 πŸ” 114 πŸ’¬ 6 πŸ“Œ 13
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I think Peter Baker is off here. While his explanation may be a portion of it, I think there is much more simple explanation - "follow the money." Removing Iran's leadership and making it more US and Israel friendly makes Gaza more safe and lucrative for Jared.

05.03.2026 14:01 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Yep, social Darwinism in free market healthcare. If you’re not healthy it was your choices that caused it and if you can’t afford healthcare now that you’re sick, tough. Should have worked harder or got a better job. πŸ™„

05.03.2026 12:24 πŸ‘ 20 πŸ” 7 πŸ’¬ 0 πŸ“Œ 0
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Measles outbreaks are costing the U.S. millions of dollars. The true losses can't be counted. As vaccination rates decline, the economic consequences will increase, research suggests.

Every public health professional could have predicted this πŸ‘‡πŸΎ

Measles outbreaks are costing the U.S. millions of dollars. The true losses can't be counted.

www.nbcnews.com/health/kids-...

02.03.2026 17:16 πŸ‘ 47 πŸ” 26 πŸ’¬ 0 πŸ“Œ 0
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Measles in Rockland County, NYU Langone closes trans youth program, and a key vaccine law The NY Dose

From @marisadonnelly.bsky.social YLE on substack.

05.03.2026 12:15 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Something to watch from Your Local Epidemiologist, NY edition. New measles cases in Rockland County. Like Spartanburg County SC and Gaines County TX before it, this is a BAD place to seed a measles outbreak. Many pockets of low low vax rates.

Full link in first comment.

05.03.2026 12:13 πŸ‘ 7 πŸ” 4 πŸ’¬ 2 πŸ“Œ 0

The lies make it clear that they know what they are doing is wrong. If they believed in their actions, they’d tell the truth.

05.03.2026 04:11 πŸ‘ 6 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Quantifying the spatiotemporal dynamics of the first two epidemic waves of SARS-CoV-2 infections in the United States Author summary In this work, we developed a set of tools and methods designed to produce high-resolution visualizations, as well as to quantify the complex and intricate patterns associated with the s...

journals.plos.org/ploscompbiol...

05.03.2026 01:04 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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I’m frequently asked abt the section in my book abt the Sturgis motorcycle rally. There is a new paper out showing how covid spread outward from SD shortly after the rally. The column on the left (labeled 1st wave) corresponds to the Sturgis timeframe. Open access link to the article below. 1/2

05.03.2026 01:03 πŸ‘ 10 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
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If you’re planning to attend in NYC on Saturday, please note the new location of City Hall Park. And, if you have followers from NYC, please repost.

03.03.2026 23:01 πŸ‘ 6 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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Our Private School Vaccination Problem Troy Tassier is a professor of economics at Fordham University and the author of The Rich Flee and the Poor Take the Bus: How Our Unequal Society Fails Us during Outbreaks.

In SC only about 20% of schools are private. Yet, twice as many private schools as public schools have fewer than 80% of students fully vaccinated. In fact, 22% of private schools in SC have fewer than 80% of kids fully vaccinated. The corresponding number of public schools is 2%. 2/2

04.03.2026 14:13 πŸ‘ 12 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Parents Tried to Shield Their Children From Vaccines. Instead They Got Measles.

Appreciate this article calling out the role of religious exemptions in the SC measles outbreak. My only quibble is that the article understates the role of private schools, relative to public schools, for the uptick in religious exemptions. A couple quick data points below. 1/2

@nytimes.com

04.03.2026 14:11 πŸ‘ 12 πŸ” 7 πŸ’¬ 2 πŸ“Œ 0

You know the look of glee a meteorologist has on their face when talking about a big storm on the nightly news? Pete Hegseth seems to have the same look when talking abt war. It’s creepy as hell that he seems to relish β€œdeath and destruction all day long.”

04.03.2026 13:08 πŸ‘ 12 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
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If you’re planning to attend in NYC on Saturday, please note the new location of City Hall Park. And, if you have followers from NYC, please repost.

03.03.2026 23:01 πŸ‘ 6 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0