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The Indicator

The Strait of Hormuz no-fee, China cuts down on pollution and IMAX's economic Odyssey

10 min episode · 2 min read
·
Jeff Gore

Episode

10 min

Read time

2 min

Topics

Sales & Revenue, Science & Discovery, Economics & Policy

AI-Generated Summary

Key Takeaways

  • Maritime Law Vulnerability: The US has not ratified the UN Convention on the Law of the Sea, unlike 168 other countries and the EU. American compliance with open-ocean navigation rests solely on norms, meaning any US objection to Iran charging shipping tolls lacks legal standing.
  • China Pollution as Oil Proxy: A 7% drop in nitrogen dioxide levels across China in Q2 2026 provides cleaner evidence than trade data alone: reduced internal combustion engine use, not secret oil reserve drawdowns, explains why China imported far less oil than analysts predicted during the Iran war.
  • Premium Cinema Economics: IMAX tickets priced at $27 in DC represent a 5–10 dollar premium over standard tickets. Post-COVID theaters increasingly rely on premium formats—IMAX, Dolby, vibrating seats—plus high-margin novelty merchandise like $30+ themed popcorn buckets to rebuild revenue.
  • Shipping Choke Point Risk: Beyond the Strait of Hormuz, Iran is now threatening to close the Bab El Mandeb strait at the Red Sea's southern end, a critical export route for Saudi Arabian oil, signaling continued upward pressure on global energy supply chain vulnerability.

What It Covers

Three economic stories intersect: Trump's proposed then abandoned 20% Strait of Hormuz shipping fee, China's 7% nitrogen dioxide drop revealing oil consumption patterns, and IMAX's premium pricing strategy driving post-COVID theater revenue through $27 tickets and novelty merchandise.

Key Questions Answered

  • Maritime Law Vulnerability: The US has not ratified the UN Convention on the Law of the Sea, unlike 168 other countries and the EU. American compliance with open-ocean navigation rests solely on norms, meaning any US objection to Iran charging shipping tolls lacks legal standing.
  • China Pollution as Oil Proxy: A 7% drop in nitrogen dioxide levels across China in Q2 2026 provides cleaner evidence than trade data alone: reduced internal combustion engine use, not secret oil reserve drawdowns, explains why China imported far less oil than analysts predicted during the Iran war.
  • Premium Cinema Economics: IMAX tickets priced at $27 in DC represent a 5–10 dollar premium over standard tickets. Post-COVID theaters increasingly rely on premium formats—IMAX, Dolby, vibrating seats—plus high-margin novelty merchandise like $30+ themed popcorn buckets to rebuild revenue.
  • Shipping Choke Point Risk: Beyond the Strait of Hormuz, Iran is now threatening to close the Bab El Mandeb strait at the Red Sea's southern end, a critical export route for Saudi Arabian oil, signaling continued upward pressure on global energy supply chain vulnerability.

Notable Moment

Hosts reveal that shooting Christopher Nolan's Odyssey entirely on 70mm IMAX film required changing reels every two to three minutes and forced all dialogue to be dubbed afterward due to the cameras' extreme noise levels.

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Episode Transcript

Hey, Adrianne. What do you think about when you're not working? Food, of course. I think about that when I am working. Yes. I I consume a lot of food videos and podcasts and and, and, of course, also a lot of actual food. Well, there is now a place for you to discuss this even more. The Indicator has a brand new newsletter. It's a roundup of news you're following each week. Plus, we answer your listener questions, and importantly, we tell you what we're doing outside of work. Yes. I I would be very happy to tell you all the things I'm cooking up and or shoving in my face. Nourishing the mind and body, Adrianne. Well, let me tell you about it. No. No. Save it for the newsletter. It comes out every Friday morning. Sign up now at mpr.org/indicatornewsletter. NPR. This is The Indicator from Planet Money. I'm Darienne Woods. I'm Waylon Wong. And joining us today is Planet Money's Jeff Gore. Hey, guys. How's your summer going? Oh, it's been going great. Better now that I'm here. Oh, of course. And you know what's gonna take your summer to the next level? What? Is indicators of the wind. Zoey. Yay. So on today's show, we have Strait Of Hormuz fees that never were. Pollution is down in China, and it might help us solve a mystery. And I'm gonna talk about the Odyssey. Ugh. And the economics of IMAX. I am set. This message comes from Amazon Health. Why is it that every visit to the doctor's office requires filling out pages of paperwork? Amazon Health AI is different. With your permission, it can connect you with your health history to get you personalized care fast. Amazon Health AI is here. Health care just got less painful. This message comes from MidiHealth, a virtual care platform for women in perimenopause and menopause. Chief medical officer, doctor Kathleen Jordan, shares the wide range of symptoms they work to address for women in midlife. There's dry eyes, dry hair, dry skin, there's dry mouth, trouble sleeping, panic and anxiety attacks. When we ask patients about common symptoms, on average, they report six. MidiHealth, committed to helping women in midlife with perimenopause and menopause care, accessible via telehealth visits at joinmidi.com. It's indicators of the week. Waelin, you go first. Okay. My indicator is 20%. This is the fee that president Trump said he wanted to charge on cargo ships passing through the Strait Of Hormuz. He wrote about it on Truth Social on Monday and then backed off this plan later in the week. I was following this. This is the fee that never was. Yeah. The idea was already undercut by Trump administration officials like secretary of state Marco Rubio and vice president JD Vance. So it evaporated almost as soon as it was proposed. But I wanted to bring it up because it's a reminder that for decades, countries have agreed to allow freedom of …

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