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John Parsons

@johnparsons

Financial economist at MIT working on energy, environment and risk. Used to have a great crystal ball, but it's now in for repairs. Image: Barlach's Reader https://www.mit.edu/~jparsons/

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06.09.2023
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Latest posts by John Parsons @johnparsons

FIFA has officially issued President Trump a yellow card. If he assassinates another world leader, it’ll become an automatic red card and he won’t be eligible for another FIFA Peace Prize for 4 years.

01.03.2026 04:06 👍 1244 🔁 176 💬 13 📌 4

I remember Andrew 8 8000.

21.02.2026 22:50 👍 1 🔁 0 💬 0 📌 0

Andrea was my neighbor in Dot and a good follow… oh, and the Mass Attorney General, too.

21.02.2026 22:20 👍 1 🔁 0 💬 0 📌 0

Greetings from Dot. Collected my first signature for you today.
Give a thought to aiding the audit of the statehouse that Massachusettts voters supported overwhelmingly.

21.02.2026 22:01 👍 0 🔁 0 💬 0 📌 0

There are certainly people who are too credulous of model results. But in my opinion the more significant problem is getting modelers to speak clearly about problems as non-modelers conceive of them. Then the results go nowhere.

16.02.2026 14:43 👍 2 🔁 0 💬 0 📌 0

It’s an organized and disciplined way of thinking and describing tradeoffs, constraints, policies and consequences. Very valuable whatever you call it.

16.02.2026 14:26 👍 6 🔁 0 💬 1 📌 0
Post image

For a number of years, a debate has been brewing concerning the best way to report on the indirect emissions from the generation of purchased electricity. Check out a new Research Commentary by @johnparsons.bsky.social on the topic:

ceepr.link/4rs0Rtp

03.02.2026 17:02 👍 1 🔁 1 💬 1 📌 0

Thank you. Well explained.

27.01.2026 21:06 👍 0 🔁 0 💬 0 📌 0
Preview
A decade in the making, clean energy power line for Mass. is up and running A major new transmission line that can bring renewable electricity from Quebec to Massachusetts is finally, after a whole lot of controversy and delay, starting to deliver power.

Nice to see the power start flowing.
www.wbur.org/news/2026/01...

16.01.2026 14:56 👍 4 🔁 0 💬 0 📌 0
Preview
The Risky Movement to Make America Nuclear Again A Silicon Valley startup called Oklo is leading the charge to bring nuclear power back to the US with small reactors. Its backers have wealth and political connections that could undermine nuclear saf...

Important dive into the politics and VCs behind micro reactors.

www.bloomberg.com/news/feature...

30.10.2025 21:05 👍 1 🔁 0 💬 0 📌 0

People are right to be angry. The country is in crisis, and the country's leadership is proving terribly inept, especially Dem leadership. It's not right for that anger to be channeled as personal attacks. But as Frederick D said, when we need the rain, we should also expect some thunder.

11.10.2025 19:09 👍 2 🔁 0 💬 0 📌 0

Because his job is not to advance the body of the Democratic Party, but to protect Gov Healey's electoral org, and he sees the former as only a potential nuisance to the latter.

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

Age is the obvious moment of contention, but it's not the root complaint. Here in MA, the State Party chair attempted to liquidate one of the few remaining remnants of a grass root org, the annual convention. Why?

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

Their failure is a black mark against them as future leaders: unable to speak up for the interest of their party or their country because they wanted to preserve the easiest path for their own electoral futures.

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

Biden's decision to run was classic tragedy. Worse yet was the fact that almost NONE of the rest of the leadership spoke out in opposition. Polls showed the American public seriously questioned Biden's age, but no elected Dem dared address the issue honestly.

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

Any sensible org or business considers the age of its leadership as it plans for its future. But the Dem establishment has devolved into a Linked-In networking op for its electeds. They don't look out for the interest of the body over the success of the individuals.

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

There should be no place for vitriol, and none for ageism either. That said, I think we can understand the seething anger produced when egotism steps in front of the interests of the country. We've seen that in spades from Dem leadership.

11.10.2025 19:09 👍 0 🔁 0 💬 1 📌 0

So sorry for your loss. Thank you for sharing the beautiful photo. Adorable.

05.08.2025 20:54 👍 1 🔁 0 💬 1 📌 0

Yes, let’s us be serious even as they’re not. Really.

31.07.2025 21:28 👍 3 🔁 0 💬 0 📌 0

Why? The point is that RGGI is a distraction. States have pursued decarb by other means. Focus there.

30.05.2025 20:29 👍 0 🔁 0 💬 1 📌 0

Yep

29.05.2025 21:24 👍 1 🔁 0 💬 1 📌 0

My conjecture…small change on the margin, and slightly lower wholesale prices. Perhaps someone has done the study?

29.05.2025 21:04 👍 0 🔁 0 💬 1 📌 0

RGGI is almost never the relevant constraint on fossil gen, but tons of academics give it attention. Here in MA we have strict quantity caps on gas gen. But we can buy unlimited electrons from NH.

29.05.2025 16:50 👍 1 🔁 0 💬 1 📌 0

Started out as a recommendation to read. Ended as a rec not to. Hmmmmm?

28.05.2025 20:44 👍 0 🔁 0 💬 1 📌 0

I have grave doubts about the chance of being an export powerhouse that doesn’t build at home.

20.05.2025 21:07 👍 2 🔁 0 💬 1 📌 0

Well said

18.05.2025 19:08 👍 9 🔁 0 💬 0 📌 0

My experience teaching at CUNY in the 1990s,too.

13.05.2025 20:57 👍 0 🔁 0 💬 0 📌 0
Debates | Gabriel Zucman

This was once true, but no longer.

gabriel-zucman.eu/policy-debat...

10.05.2025 21:03 👍 0 🔁 0 💬 1 📌 0

Same as a
parent’s job, just narrower in scope.

03.04.2025 21:41 👍 0 🔁 0 💬 0 📌 0

Batteries on the grid…it’s all state dependent opportunity cost. Natural gas in storage, same.

26.03.2025 00:05 👍 0 🔁 0 💬 1 📌 0