The U.S. exports a billion pounds of used clothes every year. Much of that winds up in used clothing markets in sub-Saharan Africa.
Planet Money stories air each week on All Things Considered and Morning Edition. Here are all of our stories from those shows.
The book lists the tax that importers have to pay on approximately every single thing in the universe — and raises a key question about the Planet Money T-shirt.
The business that transformed the nation is the product of an obscure but hugely influential trade deal — and a cultural struggle over Korean food.
Colombia's economy has been growing, and wages have been rising. That's good for the country as a whole, but it may wind up driving away the T-shirt industry.
The rise of factory jobs in Bangladesh has brought profound cultural changes to the country — and to the lives of two sisters who made the Planet Money T-shirt.
Surgeons are comparing how much each patient and operation costs the hospital. It's one of many experiments set in motion by the Affordable Care Act.
For the first time, doctors have a financial incentive to keep patients out of the hospital. That's leading to some interesting changes.
If you want to raise money, charge a sales tax. If you want people to smoke less, tax producers. Traditional economics says this shouldn't make a difference, but it does.
"This little baby — what my wife used to call my 'pretend money project' — is really going mainstream," says the chief scientist at the Bitcoin Foundation.
Two Nobel laureates disagree on a basic economic question: Is it possible to reliably spot bubbles before they burst?
Regulators are cracking down on payday loans, leading some companies like Western Sky to shut down their loan operations.
One thing Twitter has that other social networks don't: Users who talk about the world in real time. That could be worth a lot.
For months, NPR's Pam Fessler got calls from around the world offering her short-term loans. She had fallen into the world of online lead generation.
The value of a brand doesn't include anything physical. It's just the name of the company — and all of the customer loyalty attached to that name.
"I have so many Bluetooth speakers, it's ridiculous," Amazon's top reviewer says. He's also received headphones, laser printers and a spin bike.