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Prof G Markets

Wall Street Sinks on Greenland Risk

21 Jan 2026

Transcription

Chapter 1: How did U.S. markets react to Trump's Greenland acquisition threats?

1.145 - 14.161 Ed Elson

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14.241 - 34.892 Ed Elson

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35.533 - 43.369 Ed Elson

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45.897 - 68.732 Unknown

Thank you.

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Chapter 2: What were the implications of Trump's tariff threats on Wall Street?

68.712 - 82.393 Unknown

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84.376 - 111.814 Ed Elson

Today's number, 25. That's how many years old Wikipedia turned last week. That means it can no longer date Leo DiCaprio. Welcome to Profity Markets. I'm Ed Elson. It is January 21st. Let's check in on yesterday's market vitals.

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112.942 - 139.509 Ed Elson

The major indices sold off in their worst session since October, Bitcoin dropped below $90,000, the dollar weakened, and the yield on 10-year treasuries jumped to its highest level since August. Okay, what's happening? The S&P plunged 2% yesterday, erasing its gains for the year as Wall Street reckoned with President Trump's escalating threats to acquire Greenland.

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139.99 - 163.224 Ed Elson

Volatility spiked with the VIX, the market's so-called fear gauge, hitting its highest level since November. And you guessed it, gold hit another record high as investors ran for cover. The drama is playing out in Davos right now. as business and political leaders gather for the World Economic Forum. President Trump arrived yesterday, and he agreed to meet with officials to discuss Greenland.

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163.725 - 177.942 Ed Elson

But he says, quote, there can be no going back on his plan to seize the territory. Meanwhile, Greenland's prime minister is urging the island to prepare for an invasion, which is still unlikely, but no longer unthinkable.

178.643 - 182.288 Unknown

How far are you willing to go to acquire Greenland? You'll find out.

182.909 - 183.229

President Trump!

183.327 - 196.78 Ed Elson

Okay, joining us now to discuss everything that is happening here, we're speaking with Justin Wolfers, Professor of Public Policy and Economics at the University of Michigan. Justin, welcome back to Profiteer Markets.

197.114 - 200.26 Justin Wolfers

Would you believe me if I told you I was coming to you live from Greenland?

Chapter 3: What were the highlights from Netflix's latest earnings report?

244.487 - 269.936 Justin Wolfers

Look, The thing that's more remarkable than what's happening in the markets is what's happening in the world. Right. The president woke up and decided the United States needed Greenland, which had never been part of the US, well, not never, in recent years hadn't been part of the US security planning at all. And he's saying he wants to buy it, take it, something it, rename it.

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270.516 - 290.564 Justin Wolfers

No one's quite sure what. And he's putting tariffs. on countries who've sent vast forces of up to dozens of troops to defend Greenland from American hostile aggression. That is astonishing on its face. I know that your podcast is called Markets.

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Chapter 4: How did Netflix's stock react to its earnings announcement?

291.906 - 297.413 Justin Wolfers

Mate, sometimes we've got to pause on the world. The world's where the action is. So yes, markets are responded to this.

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297.893 - 324.695 Ed Elson

I guess the reason that the markets response seems relevant to me is we see a lot of crazy stuff. from the president. We saw crazy stuff in the past few weeks. We saw the Powell investigation. We saw the invasion of Venezuela and the capture of Maduro. We saw what happened in Iran. And so I find that the markets... help to give us a sense of what's maybe real and what isn't.

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325.477 - 351.281 Ed Elson

And it seems that the markets are telling us right now, this one's real. This one is different. This one is actually giving us pause. And it feels almost like we're back in April 2025, Everyone's deciding to sell. So I guess that's why it's kind of interesting to me or seems important. I guess my question to you would be, why is this different?

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351.341 - 354.164 Ed Elson

Or at least why do markets maybe believe that this is different?

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354.584 - 376.434 Justin Wolfers

I'm not sure I'd give exactly the same explanation that you would, Ed. Okay. So here's the problem, right? The bloke comes up with a harebrained idea every day. Nine out of 10 times he tacos. Trump always chickens out. And the world moves on. And so if you're a trader, you want to discount these because if you responded to each and every one of them, you'd sell off.

376.474 - 381.08 Justin Wolfers

And then the next day the markets would rise as it became clear it wouldn't happen. And then you lost a lot of money. Yeah.

Chapter 5: What is Netflix's new bidding strategy for Warner Bros. Discovery?

382.061 - 407.742 Justin Wolfers

So you've got to scale your response to the likelihood that Trump will actually follow through. If Trump follows through, in the short run, the obvious is he launches a trade war with the European Union. Um, because remember he's talking about 25% tariffs by June. You can't just, you know, it's not as much as he's picked out Germany that he wants to go after the United Kingdom.

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407.782 - 431.105 Justin Wolfers

You don't just declare a trade war on particular members of the EU, the entire union response, the EU plus Norway, plus the United Kingdom collectively is 22% of American exports. So that's a big economic threat right there. There are two other things you learn if he's serious. One is if he follows through with a trade war, there's actually a chance he follows through with a war war.

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432.768 - 452.757 Justin Wolfers

That then is the end of NATO and the end of the post-war world order. That in turn is the end of American military leadership. We move into some complicated world and you can get one of these guys who likes to point at the globe and tell you how complicated that gets. All I know is that

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453.412 - 473.179 Justin Wolfers

Ed, in the brief time you and I have been alive, we haven't seen fighting on our shores mm-hmm and that's not true for our grandparents. And so even if you don't like what we've had, it's been remarkably successful relative to the rest of human history mm-hmm that we've grown up without wars on our shores.

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474.741 - 504.17 Justin Wolfers

So there's some chance that that's the end of that for the United States, the world economic productive activity. It would be catastrophic. One war is a lot of wars. Walking closer to one war is a lot of problems. And then the other part is, so he's launched a new trade war with the EU. The other part is you then learn Tariff McTarriff face wants to tariff everyone at will.

504.23 - 528.12 Justin Wolfers

Deals don't mean anything. The idea that we'd get through 2025 and that was the end of tariffs because we would have done deals is clearly hopeless. And we just have trade wars and trade uncertainty for the next three years ahead of us as well. Those are really, really big generational shifts. I know I wrote a study years ago looking at the stock market effect of the invasion of Iraq.

529.062 - 550.645 Justin Wolfers

We found that if the diff the stocks were valued 15% lower, if the us invaded Iraq relative to if it didn't. So if you thought something like that, if you thought Greenland were Iraq, there's lots of reasons to think it's not right. You would expect stocks to fall on the order of 10 to 20%. Today they fell on the order of one to 2%.

Chapter 6: What concerns do investors have about Netflix's acquisition plans?

551.786 - 572.472 Justin Wolfers

So my interpretation is they've built in a one in 10 chance. The guy is serious. In some sense, markets are really useful here that are a wake-up call. It's not about the probability he follows through. It's about the consequences if he follows through, which is they're screaming, this is terrible. But they're not screaming, screaming. If you remember Liberation Day, they screamed, they howled.

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572.672 - 589.38 Justin Wolfers

Right. We weren't quite used to the Trump two-step of two steps forward and an immediate back down. If we're in a world in which he never followed through on anything, of course, markets would react to nothing. Right. The problem is that the president actually does sometimes do things. You could ask the Venezuelans about that.

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589.5 - 610.826 Justin Wolfers

And the problem is we couldn't tell before the fact if he was serious about Venezuela, and then we learned after the fact he was. And I would like to think he's not serious about Greenland, but I don't want to wake up tomorrow and all of a sudden discover he was. Right. So I think this is the markets putting in only a small chance of but it's a small chance of a big bad outcome.

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611.267 - 641.876 Ed Elson

Just looking at what he's said recently, it does seem that he's somewhat serious from what he's been saying. That's a hard question to answer, but he's at least trying to present as serious. He also sent that text to the Prime Minister of Norway saying that he wouldn't be doing this if he had won the Nobel Peace Prize. This is maybe like a hyperbolic question, but I don't think it is.

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642.578 - 672.917 Ed Elson

At what point do you think it's fair to say that he's actually lost his mind? I mean that, like, very legitimately. Not in the sense that, oh, he has dementia and he's just totally crazy, but, I mean, he's clearly operating on a different level of reality. He's decided that the world order as it is now is unacceptable, that... Globalism, this is the end of it.

673.177 - 689.31 Ed Elson

And we're kind of going back to the 1800s. I mean, it appears that he might have gotten, I don't know, so drunk on power, so deluded by something that he might have actually like lost his mind here. Is that too far?

689.831 - 708.415 Justin Wolfers

I've had the same thought. And look, I like to speak to my expertise. I'm a PhD economist. And so there are many questions where, and I've increasingly had to do this, say, I think you should talk to a psychiatrist, not an economist. What's striking is that the most important economic question of the day is best answered by a psychiatrist. That's your point. Right.

708.676 - 723.043 Justin Wolfers

And it's a profoundly important point. There are actually ethical reasons why psychiatrists are not meant to You're not meant to speak up about someone whom you've not examined. Yeah. I hope you don't mind. I might take your idea a little deeper because I've been thinking about this quite a lot.

723.344 - 745.645 Justin Wolfers

I certainly don't think of the president as he currently is acting as rational, or at least we should put a high probability on that. And that worries me. And I'm like, oh, well, what happens if once every hundred years we have a leader, a world leader who is bonkers? Right. We've certainly had people who were bonkers. I think Adolf Hitler was bonkers. Yeah.

Chapter 7: What affordability plans has Trump proposed and how are they viewed?

782.286 - 792.422 Justin Wolfers

I think if you ran a survey of Americans, people with profound personality disorders would be much more likely to say yes than people without profound personality disorders.

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793.578 - 810.306 Justin Wolfers

That's just a, it's an obvious statement. Yeah. You could say, Justin, run for president tomorrow. And I'd be like, are you kidding? I got to teach econ 101 tomorrow. And I'm worried I've got too many students. I'm not qualified. I hope you'd say the same, Ed.

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812.589 - 814.151 Ed Elson

I don't know. This pod's going pretty well.

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817.194 - 838.505 Justin Wolfers

Boy, you give a bloke 30 under 30 and all of a sudden he thinks he can walk on water. But it's actually a really interesting point because if that point is correct, it says the amount of mental illness among world leaders is likely exorbitantly high. Right. That in turn changes how we ought to think about institutions.

839.587 - 857.79 Justin Wolfers

It says that we basically need to design our political institutions so they're lunatic proof. Yeah. And in some sense, you go back and you read like, you know, the Federalist Papers, you get a sense of this. They would often talk about good versus evil instead, but I think actually just batshit versus not. Yeah.

858.833 - 882.646 Justin Wolfers

And maybe, you know, after Nixon, we had a whole cleansing of like, how do we corruption proof the US government? And I wonder whether people all around the world ought to be thinking about how do we mental health proof our governments. And, you know, we are meant to have checks and balances. And our biggest problem right now, of course, is Mike Johnson, which is we do have checks and balances.

882.686 - 897.645 Justin Wolfers

They just refuse to play. And they refuse to play because the guy with potentially the mental health problem is also the most charismatic figure in the country. And maybe that's what a mental health problem allows you to do. Anyway, that was more about politics than markets. Let's come back to markets.

Chapter 8: How do tariffs affect affordability in America according to the host?

897.705 - 912.145 Justin Wolfers

I think the threat here is utterly dire. What I haven't had a chance to do today is if I wanted to make the case that it was what I said, a small probability of a horrible outcome rather than it being a moderately large probability of a moderately bad outcome, which I think is what you were suggesting.

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913.087 - 930.15 Justin Wolfers

I think the way to tell the difference between our two stories would be to look at what was happening to way out of the money options. I haven't had a chance to look. Um, so maybe some bright spark is, who's in our audience has looked at way out of the money options and can tell us how they're behaving and, and drop a note in the comments.

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930.316 - 954.189 Ed Elson

Yeah, I think that would be good advice. Okay, we're going to let you go here. I assume we're going to be discussing this again, probably, maybe tomorrow. Who knows? Justin Wolff is Professor of Public Policy and Economics at the University of Michigan. Justin, really appreciate it, as always. Great pleasure. After the break, a look at Netflix's earnings.

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954.21 - 962.517 Ed Elson

And for even more markets content, you can subscribe to my new weekly newsletter simply put at edwardelson.substack.com.

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