Find all episodes of Planet Money Summer School here.

Tariffs are the favorite tool of our current president, but there are lots of other ways that governments insert themselves into the free exchange of goods and services. Some of these trade barriers are so insidious and have been going on for so long that it may surprise you that they even exist. 

We bring you the classic story of what happens when you try to protect an American industry and end up hurting another American industry. Well intentioned plans turn into trade barriers that make our lives more expensive. 

Check out our Summer School video cheat sheet TikTok.

Help support Planet Money and hear our bonus episodes by subscribing to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney.

Always free at these links: Apple Podcasts, Spotify, the NPR app or anywhere you get podcasts.

Find more Planet Money: Facebook / Instagram / TikTok / Our weekly Newsletter.

The series is hosted by Robert Smith and produced by Eric Mennel. Our project manager is Devin Mellor. This episode was edited by Planet Money Executive Producer Alex Goldmark and fact-checked by Emily Crawford.

To manage podcast ad preferences, review the links below:

See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.

Learn more about sponsor message choices: podcastchoices.com/adchoices

NPR Privacy Policy