It’s Indicators of the Week (now on <a href="https://www.youtube.com/@planetmoney"target="_blank" >YouTube</a>!). It’s our weekly look at some of the most fascinating economic numbers from the news.  On today’s episode: who wins and loses their <a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6443103"target="_blank" >Polymarket bets</a>, an American lithium motherlode, and the economics of lightweight running shoes.  Related episodes:  <a href="https://www.npr.org/2025/01/15/1224776146/the-race-to-produce-lithium"target="_blank" >The race to produce lithium</a>  <a href="https://www.npr.org/2020/01/03/793488868/episode-962-advanced-fairness-at-the-marathon"target="_blank" >Advanced Fairness At The Marathon</a>  For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at <a href="http://plus.npr.org/"target="_blank" >plus.npr.org</a>. Fact-checking by Julia Ritchey and Sierra Juarez. Music by <a href="https://dropelectric.bandcamp.com/"target="_blank" >Drop Electric</a>. Find us: <a href="https://www.tiktok.com/@planetmoney"target="_blank" >TikTok</a>, <a href="https://www.instagram.com/planetmoney/"target="_blank" >Instagram</a>, <a href="https://www.facebook.com/planetmoney"target="_blank" >Facebook</a>, <a href="https://www.npr.org/newsletter/indicator?utm_source=audio"target="_blank" >Newsletter</a>.   See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

How taxing the wealthy could work

A bite-sized show about big ideas. From the people who make Planet Money, The Indicator helps you make sense of what's happening in today's economy. It's a quick hit of insight into money, work, and business. Monday through Friday, in 10 minutes or less. Sign up for our newsletter.