Donald Trump is just about to begin his second presidency. And it may be safe to say that every single person in America has at least one question about what's to come in the next four years.

So, we thought we'd try to answer your questions — as best we can — about the economics of a second Trump term. Is now the time to shop for new tech? Can Trump actually bring down grocery and oil prices? And, does the president have the power to get rid of NPR?

This episode of Planet Money was hosted by Amanda Aronczyk. It was produced by Emma Peaslee and edited by Meg Cramer. It was engineered by Neil Tevault and fact-checked by Sierra Juarez. Alex Goldmark is Planet Money's executive producer.

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(Note: This episode originally ran in 2018.)

Is it really cheaper to shop at an airport Duty Free store? And why are so many of them alike?

In the 1940s, if you were flying from New York City to London or Paris you would find yourself making a pit stop for fuel on the western coast of Ireland. The Shannon airport at the time wasn't much to look at, but the passengers arriving there were movie stars and celebrities, basically the super rich. And the people of Shannon realized pretty quickly that they needed to upgrade the local amenities for their wealthy clientele. They hired a man named Brendan O'Regan to make it happen. Being the quick-thinking entrepreneur that he was, O'Regan convinced the Irish government to create a tax loophole. And thus, duty free stores were born.

Today on the show, we follow the surprising origin of duty free, and try to answer the question: Are they really saving you any money?

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You know Watergate, but do you know Fedgate? The more subtle scandal with more monetary policy and, arguably, much higher stakes.

In today's episode, we listen back through the Nixon White House tapes to search for evidence of an alarming chapter in American economic history: When the President of the United States seemingly flouted the norms of Fed Independence in order to pressure the Chair of the Federal Reserve Board into decisions that were economically bad in the long run but good for Nixon's upcoming election.

The tale of Nixon and his Fed Chair, Arthur Burns, has become the cautionary tale about why Fed Independence matters. That choice may have started a decade of catastrophic inflation. And Burns' story is now being invoked as President-elect Trump has explicitly said he'd like more control over the Federal Reserve.

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The ZIP code is less like a cold, clinical, ordered list of numbers, and more like a weird overgrown number garden. It started as a way to organize mail after WWII, but now it pops up all over our daily lives. You type it into the machine at the gas station to verify your credit card. You might type it into a rental search website if you're looking for a new apartment. Back in 2013, the ZIP Code contributed about 10 billion dollars a year to the US economy.

On today's show, we turn our attention towards the humble ZIP code. Why was it born? How has it changed the mail? How has it changed the broader world? And... has it gone too far?

This episode was hosted by Sally Helm. It was produced by Sam Yellowhorse Kesler with help from Willa Rubin. It was edited by Meg Cramer, and fact-checked by Sierra Juarez. It was engineered by Valentina Rodríguez Sánchez. Alex Goldmark is Planet Money's executive producer.

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Ever since free trade opened up between the US and Mexico in the 1990s, trillions of dollars of goods have been going back and forth between the two countries, from cars to strawberries to MRI machines to underwear. But one major exception has been fresh American potatoes.

Today on the show, we tell the trade saga of the American potato. For more than 25 years, there was a place that American potatoes could not go to freely. A place that the entire American potato industry was desperate to access. A vast, untapped market: Mexico.

But standing in their way – the Mexican potato lobby and a trade loophole.

This episode was hosted by Erika Beras and Jeff Guo. It was produced by Willa Rubin and edited by Meg Cramer. It was fact-checked by Sierra Juarez. Engineering by Cena Loffredo. Alex Goldmark is Planet Money's executive producer.

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If you believe the hype, translators will all soon be out of work. Luis von Ahn, CEO and co-founder of the language learning app Duolingo, doesn't think AI is quite there... yet. In this interview, Greg Rosalsky talks with Luis about AI and how it's reshaping translation jobs and the language learning industry. We also ask him about headlines earlier this year suggesting Duolingo laid off some of its workers and replaced them with AI.

This is one of Greg's Behind The Newsletter conversations where he shares his interviews with policy makers, business leaders, and economists who appear in The Planet Money Newsletter.

This episode was first released as a bonus episode for Planet Money+ listeners earlier this year. We're sharing it today for all listeners. To hear more episodes like this one and support NPR in the process, sign up for Planet Money+ at plus.npr.org. We'll have a fresh bonus episode out in two weeks!

You can sign up for the The Planet Money Newsletter and check out past editions here:
https://www.npr.org/planetmoneynewsletter

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After the gift exchange comes another great holiday tradition: returns season. Once again, we are joining the fun in our own Planet Money way. We are returning to stories from years past to see what's changed since we last reported them. It's an episode we call The Rest of the Story.

We have updates on zombie mortgages, student loan forgiveness, Argentina's economy under its self-described anarcho-capitalist president, and the best place in the world to give birth to twins. Plus, a return to... returns.

So while you're looking for that holiday sweater in a better size, or waiting in line to trade in your Dutch oven for an air fryer, take a listen to all our latest little audio gifts. And see you in 2025!

This episode was hosted by Alexi Horowitz-Ghazi. It was produced by Sam Yellowhorse Kesler, and edited by Keith Romer and Jess Jiang. It was fact-checked by Sierra Juarez and engineered by Cena Loffredo. Alex Goldmark is Planet Money's executive producer.

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This year, there was some economic good news to go around. Inflation generally ticked down. Unemployment more or less held around 4-percent. Heck, the Fed even cut interest rates three times. But for a lot of people, the overall economic vibes were more important. And the vibes... were still off.

We might have achieved the soft landing the Fed was hoping for, but we saw some wackiness in the relationship between unemployment and job vacancies. Meanwhile, Bitcoin went to the moon. We have covered all of that in this past year, but which of these economic stories really defined the year?

Fortunately, we don't have to decide. You all do.

On today's show, a collaboration with our daily podcast The Indicator, we have Indicator Family Feud! Two Planet Money hosts enter, one Indicator host... also enters. And all three leave, having had a great time with lively discussion and light ribbing. Plus, some mild scheduling issues. But, we can't stress enough that no hosts were harmed in the making of this podcast.

Then, we look ahead to 2025 to see what indicators we think will define the coming year – the future and the past, on our latest episode!

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Our planet is in serious trouble. There are a million species of plants and animals in danger of extinction, and the biggest cause is companies destroying their habitats to farm food, mine minerals, and otherwise get the raw materials to turn into the products we all consume.

So, when Mauricio Serna was in college, he realized his family's plot of land in Colombia, called El Globo, presented a unique opportunity. Sure, it had historically been a cattle ranch. But if he could get the money to turn it back into cloud forest, perhaps it could once again be a habitat for the animals who used to live there — animals like the yellow-eared parrot, the tree ocelot, and the spectacled bear (of Paddington fame).

On today's show, Mauricio's quest to make a market for a new-ish financial instrument: the biodiversity credit. We peek under the hood to try to figure out how these credits actually work. Is the hype around them a bunch of hot air? Or could they be a critical tool for saving thousands of species around the world?

Today's episode was hosted by Stan Alcorn and Alexi Horowitz-Ghazi. It was co-reported by Tomás Uprimny. It was produced by James Sneed, edited by Jess Jiang, fact-checked by Sierra Juarez, and engineered by Cena Loffredo. Alex Goldmark is Planet Money's executive producer.

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Sports gambling isn't exactly a financial market, but it rhymes with financial markets. What happens on Wall Street somehow eventually also happens in sports gambling. So in the 1980s, when computers and deep statistical analysis entered the markets, it also entered the sportsbooks and changed the world of sports gambling in ways we see every day now.

On today's episode, we have a story from Michael Lewis' new season of his podcast Against The Rules. We hear from a bookie who was able to beat the odds using statistical analysis, and the other bookie who managed to beat those odds, using an even more subtle science: behavioral analysis. Plus, how it's harder than ever to win against the house, and why those offers of free bets in TV ads are maybe not such a good idea.

This episode was hosted by Michael Lewis and Mary Childs. Our version of the podcast was produced by Emma Peaslee and edited by Martina Castro. It was fact checked by Sierra Juarez, and engineered by Cena Loffredo. Alex Goldmark is Planet Money's executive producer.

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Why do some nations fail and others succeed?

In the late 1990s and early 2000s, three economists formed a partnership that would revolutionize how economists think about global inequality. Their work centered on a powerful — and almost radically obvious — idea: that the economic fate of nations is determined by how societies organize themselves. In other words, the economists shined a spotlight on the power of institutions, the systems, rules, and structures that shape society.

We spoke with two of the Nobel-winning economists about their research on why some countries are rich and others are poor, why it took so long for economics to recognize the power of institutions, and what the heck those even are.

This episode was hosted by Jeff Guo and Greg Rosalsky. It was produced by Willa Rubin with help from James Sneed. It was edited by Martina Castro and fact-checked by Sierra Juarez. Engineering by Gilly Moon with help from James Willetts. Alex Goldmark is Planet Money's executive producer.

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