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Posts by Jeff Colgan

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Trump's Hormuz blockade is a Catch-22 Successfully blocking Iran's ports will drive up global energy prices even more.

I spoke with @alexjn.bsky.social @motherjones.com about the Trump admin's "casual relationship with truth." Maybe I need to learn to be more discrete?? 🤔

www.motherjones.com/politics/202...

4 hours ago 6 4 0 0

Very helpful explainer by the great @javierblas.bsky.social about the surprisingly tricky concept of "the price of oil" 🛢️

2 days ago 1 0 1 0
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This might not have started as an oil war but it sure looks like one now 🛢️

2 days ago 1 0 0 0

By this I mean that the Iranians have realized that if Trump can make outlandish market-moving claims with no evidence, they can too. And given how savvy they are about evading sanctions, it would not surprise me if some regime insiders aren't getting in on the insider trading action.

3 days ago 296 71 7 5

😳

3 days ago 0 0 1 0

a phrase that has been coming to mind a lot lately: reality always bats last

4 days ago 911 177 17 6
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US oil bosses warn Donald Trump to block Iran’s Strait of Hormuz toll Executives step up lobbying to convince White House that Tehran controlling the strategic waterway sets dangerous precedent

This might not have started as an oil war but it sure looks like one now 🛢️
#Petro-Aggression

www.ft.com/content/0f41... US oil bosses warn Donald Trump to block Iran’s Strait of Hormuz toll

4 days ago 3 4 1 1

Congrats Josh!

6 days ago 1 0 0 0

Donald Trump continues to deliver as the greatest 🇨🇦 Liberal since Wilfrid Laurier

6 days ago 86 13 2 1
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Iran War Energy Cost Tracker Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.

The impact of the Iran War on Americans' extra fuel costs - from gasoline and diesel alone - is now over $20 billion. That's more than what 4 years of US aid to Africa under PEPFAR cost. Different choices are possible.

iranwarcost.watson.brown.edu

6 days ago 1 1 0 0

Coming soon to a legislature near you

iranwarcost.watson.brown.edu

6 days ago 4 2 0 0

😳

6 days ago 5 0 1 0
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An Iran War Winner: China’s Green Industrial Complex Beijing’s push to sell its solar and wind power to the world has gained momentum from troubles in the Middle East.

"The Chinese ambassador to the country, Hua Xin, was quick to make the energy-security argument.

“The sun cannot be blocked,” he said on social media."

www.wsj.com/business/ene...

1 week ago 12 3 0 3
Iran War Energy Cost Tracker Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.

iranwarcost.watson.brown.edu

1 week ago 0 0 0 0
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The spike in diesel prices is quietly costing you billions Diesel fuel powers a wide swath of the economy, so even if you don't even drive, “you're probably feeling it in ways you don't realize.”

I talked to @grist.org about how diesel fuel prices are quietly costing the USA billions, thanks to its war on Iran. Based on our new Iran War Energy Cost Tracker at
iranwarcost.watson.brown.edu

grist.org/business/the...

1 week ago 15 9 0 1
Sen Foreign Relations Committee - Dems tweet about the extra cost of gasoline and diesel due to the war in Iran

Sen Foreign Relations Committee - Dems tweet about the extra cost of gasoline and diesel due to the war in Iran

Nice to see the U.S. Senate Foreign Relations Committee already using the Iran War Energy Cost Tracker @climatesollab.bsky.social @watsonschoolbrown.bsky.social

iranwarcost.watson.brown.edu

1 week ago 10 3 0 0
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Opinion | Gun Manufacturers Won the Ultimate Legal Shield. Big Oil Wants That, Too.

"Putting any industry above the law — especially one responsible for creating many of the greenhouse gas emissions that have helped fuel climate-related destruction of homes, businesses and whole communities — would be beyond dangerous." - Dave Jones www.nytimes.com/2026/04/13/o...

1 week ago 6 1 0 0

Closing in on $19 billion today. Both Iran and USA choking Hormuz? Probably not good. 🛢️

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Oil Price Shock Drives 140% Surge in China's EV Exports to Record High | OilPrice.com China's EV exports hit a record 349,000 units in March, up 140%, as $100 oil sparked a global rush toward electric vehicles.

BYD has named Donald Trump "Salesman of the Decade." oilprice.com/Latest-Energ...

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1 week ago 135 21 1 3

Curious what others think but my sense is that the core issue of negotiation is what toll ($/ship) Iran will be able to charge for Hormuz without getting bombed. The other issues on the table are non-starters for one side or the other (or, like frozen assets, relatively low stakes). Thoughts?

1 week ago 0 0 0 0
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Absolutely vile: Trump just said on Fox that the threat to obliterate Iranian civilization was a good thing, because "it brought them to the table."

We have to take this on frontally and directly. It's a lie, and the underlying idea it's premised on is even worse:

newrepublic.com/article/2087...

1 week ago 1731 515 50 39
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Iran War Live Updates: Trump Says U.S. Will ‘Blockade’ Strait of Hormuz After Peace Talks Fail

Oh yeah? YEAH? Well, well, if our allies can't have oil, then neither can yours! 🛢️

www.nytimes.com/live/2026/04...

1 week ago 4 1 1 0
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Northeast States Set Big Climate Goals. Now Those Plans Are in Trouble.

I was surprised to get the last word in this piece.

The topic is crucial.Reflects a lot of reporting on seven states.

But I do find it all fatalistic.

Stand up and fight, people!We need to get more creative and show some determination.Years of work at stake

. www.nytimes.com/2026/04/11/c...

1 week ago 35 12 1 1

Good thread on Iranian mines. TLDR: Hormuz will be mostly closed for months.

Implication: the energy & food crisis will get worse. Shut-in oil wells do not come back on like a light switch. Permanent damage.

1 week ago 2 0 0 0

The Iran war has already cost American households $17 billion at the pump. This doesn't count the billions the government has spent fighting the war, which we'll have to pay for eventually as well.

1 week ago 2 2 0 0

Kudos to Jeff and team! I used this as nudge to plot the EU trend.

Took data from the DG-Energy EU Weekly Oil Bulletin (weekly national average retail prices for gasoline for EU27+UK from 2010s), followed the counterfactual logic w/ Oil Bulletin data itself (no free spot data!) and voila.

Painful.

1 week ago 10 5 0 0
Scoop: Iran War Has Already Cost Americans $17 Billion At the Pump “It’s coming right out of your pocket.”

Exclusive: The Iran war has already cost Americans $17 billion at the pump, draining demand out of the economy and sending prices soaring more than $1.40/gallon in some states, per a new Brown University analysis heatmap.news/energy/iran-...

1 week ago 38 16 1 0
Scoop: Iran War Has Already Cost Americans $17 Billion At the Pump “It’s coming right out of your pocket.”

I spoke with @robinsonmeyer.bsky.social for his great story @heatmap.news this morning about the staggering fuel costs of the Iran war coming directly from US households
heatmap.news/energy/iran-...

1 week ago 17 8 1 1
Iran War Energy Cost Tracker Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.

New: the Iran war's price increases on just two products, gasoline and diesel, has already cost American households $130 each (on avg), a total of $17 billion -- and it's rising fast.

We have an Iran War Energy Cost Tracker @climatesollab.bsky.social. Check it out:

iranwarcost.watson.brown.edu

1 week ago 51 27 1 4
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