Spain just became one of Europe's cheapest power markets. Here is how.
https://janrosenow.substack.com/p/spain-just-became-one-of-europes

(Wind and solar.)

Via #MarginalRevolution

#electricity

Spain just became one of Europe's cheapest power markets. Here is how.

How wind and solar quietly pushed gas off the margin, and the wholesale price followed.

Bright Spots

Dominic Pino (@DominicJPino): "Imagining explaining to the Founding Fathers that the president imposed tariffs without an act of Congress and then removed them at the request of the King of England"
https://nitter.net/DominicJPino/status/2049926201267962110

Via #MarginalRevolution

#uspol #TrumpTariffs #CharlesIII

"If we find that you actually have multiple obstructing stones and we need to go deeper into the biliary tree, then those are different CPTs. Regardless, we do what is medically indicated, document the codes used. At this point, unless your physician keeps billing fully in house, those get handled by a processer. Often, bills from multiple providers get handled by one processor who in turn gives insurance companies bills to their specifications."
https://marginalrevolution.com/marginalrevolution/2026/04/on-health-care-price-transparency-from-the-comments.html
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#MarginalRevolution
On health care price transparency (from the comments) - Marginal REVOLUTION

From MR commentator Sure: Generally such figures do not reside within the physicians’ office. On our side of the table we do some procedure with multiple specifications and generate some CPT code(s) (e.g. a lap cholycystectomy is 47562, add on a common bile duct exploration and it becomes a 47564, and if you just do […]

Marginal REVOLUTION
The Raphael show at the NYC Met - Marginal REVOLUTION

This is self-recommending if there ever was such a thing.  What I found so striking is how many mini-exhibits were embedded in the broader show.  Those include: 1. The early large pieces from Colonna and Castello — how many of you are going to get there to see them in situ? 2. A mini-exhibit of […]

Marginal REVOLUTION

Taufiq Rahim (@taufiqzrahim): "My overall view of the provisional ceasefire agreement:

1. It is a good thing. If the war continued it would be devastating for all.

2. This war should not have been started in the first place, when it was started. The timing was wrong and its objectives could have been acheived in a different way."

[Mr. Rahim makes 16 points in total.]
https://nitter.net/taufiqzrahim/status/2041687818225787386#m

Via #MarginalRevolution , https://marginalrevolution.com/marginalrevolution/2026/04/two-assorted-links.html

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#Iran #uspol

The CA Minimum Wage Increase: Summing Up
https://marginalrevolution.com/marginalrevolution/2026/04/the-ca-minimum-wage-increase-summing-up.html

What was the consequence of California raising the #MinimumWage for fast food workers? More money for some, job loss for others, more expensive food for customers. "[P]rices rose, quantity demanded fell, and that’s what killed the jobs—not robots replacing workers. Not today, anyway."

#economics
#MarginalRevolution

The CA Minimum Wage Increase: Summing Up - Marginal REVOLUTION

Two recent joint-papers Did California’s Fast Food Minimum Wage Reduce Employment? by Clemens, Edwards and Meer and The Effects of California’s $20 Fast Food Minimum Wage on Prices by Clemens, Edwards, Meer and Nguyen give what I think is a plausible and consistent account of California’s $20 fast food minimum wage. California’s $20 fast food […]

Marginal REVOLUTION

"We only have preliminary, widely ranging estimates for the 2024–2025 flu season. But we can say that there were roughly 2-3x the number of flu to Covid hospitalizations and about five times the number of flu infections, comparing the low and high ends of each estimate to one another. On the low end, death counts were about equal, but on the high end, flu deaths were more than double."

https://theprogressnetwork.substack.com/p/covids-quiet-retreat

#covid19 has added to the stock of human misery even so.

Via #MarginalRevolution

Covid's Quiet Retreat

The cause of a generation-defining pandemic has become just another ordinary disease.

The Progress Network

"I think Elon Musk’s judgment started to worsen sometime around 2020. He was always mercurial, somewhat impulsive, prone to setting unrealistic timelines, and at times needlessly combative. However, I held hope that his positive qualities, which helped lead Tesla and SpaceX to tremendous success, would win out and he would reign in his worst tendencies. Sadly, the opposite happened, and now I no longer trust his leadership of Tesla."

https://strangecosmos.substack.com/p/self-driving-cars-arent-nearly-a?triedRedirect=true

Via #MarginalRevolution

#TSLA

Self-driving cars aren’t nearly a solved problem

Contrary to popular belief, Waymos aren't actually fully autonomous, and the problem is harder than it may seem

Strange Cosmos by Yarrow Bouchard

#MarginalRevolution's most popular posts of 2025. Here's one to consider:

"I am myself (largely) a cultural liberal [... but] let us be clear what is going on. The right-wing populists are gaining ground in so many countries because the cultural liberals in various parliaments and congresses are extremely reluctant to meet the preferences of their median voters. On the immigration issue most of all. And then they wish to talk about threats to democracy!"

https://marginalrevolution.com/marginalrevolution/2025/08/a-median-voter-theory-of-right-wing-populism.html

#politics

A median voter theory of right-wing populism - Marginal REVOLUTION

From a recent paper: Populists are often defined as those who claim that they fill “political representation gaps” -differences between the policymaking by established parties and the “popular will.” Research has largely neglected to what extent this claim is correct. I study descriptively whether representation gaps exist and their relationship with populism. To this end, I analyze […]

Marginal REVOLUTION
A Very Big Fight Over a Very Small Language

Romansh, a Swiss language spoken by a tiny fraction of the population, comes in five major versions. Simon Akam reports from Switzerland about the verbal avalanche that ensued when reformers tried to entrench the tongue by standardizing it.

The New Yorker