What are the key takeaways from this Odd Lots episode?

Key insights include: **Pass-through income concentration:** 70% of every dollar in pass-through business income flows to the top 1%, and more than half of the growth in top-1% income share since the 1980s comes specifically from pass-through business income — making this sector the single largest driver of U.S. income inequality, yet it receives almost no public scrutiny compared to tech or finance wealth.; **The "small business" myth in tax policy:** Only 20% of pass-through income actually comes from small businesses, per a Treasury study. The remaining 80% flows to large private firms. The 2017 tax reform cut pass-through rates from 37% to below 30%, delivering a roughly trillion-dollar tax benefit overwhelmingly to wealthy private business owners while being politically framed as small business relief.; **Regulatory moats as wealth engines:** Auto dealers and beer distributors accumulate outsized wealth primarily through legally protected local monopolies — not superior productivity. Dealers hold exclusive geographic territories; distributors sit in a mandated three-tier system. These franchise protections, originally designed to protect small operators, now shield multi-hundred-million-dollar private businesses from competitive pressure.

What did Owen Zadar and Eric Zwick discuss on Odd Lots?

Princeton economist Owen Zidar and Chicago Booth's Eric Zwick reveal findings from IRS pass-through business data showing that America's wealthiest class consists not of tech billionaires but millions of private business owners — auto dealers, beverage distributors, dentists, and contractors — who collectively drive more than half of rising U.S. income inequality. Key topics include: **Pass-through income concentration:** 70% of every dollar in pass-through business income flows to the top 1%, and more than half of the growth in top-1% income share since the 1980s comes specifically from pass-through business income — making this sector the single largest driver of U.S. income inequality, yet it receives almost no public scrutiny compared to tech or finance wealth.; **The "small business" myth in tax policy:** Only 20% of pass-through income actually comes from small businesses, per a Treasury study. The remaining 80% flows to large private firms. The 2017 tax reform cut pass-through rates from 37% to below 30%, delivering a roughly trillion-dollar tax benefit overwhelmingly to wealthy private business owners while being politically framed as small business relief..

How long is this episode of Odd Lots?

This episode is 59 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

Odd Lots

There's a Mind-Boggling Number of Rich People in America

September 18, 2026

59 min episode · 2 min read

Owen Zadar,Eric Zwick

Episode

59 min

Read time

2 min

Topics

Productivity, Personal Finance, Investing

AI-Generated Summary

Published Sep 18, 2026

Key Takeaways

✓Pass-through income concentration: 70% of every dollar in pass-through business income flows to the top 1%, and more than half of the growth in top-1% income share since the 1980s comes specifically from pass-through business income — making this sector the single largest driver of U.S. income inequality, yet it receives almost no public scrutiny compared to tech or finance wealth.
✓The "small business" myth in tax policy: Only 20% of pass-through income actually comes from small businesses, per a Treasury study. The remaining 80% flows to large private firms. The 2017 tax reform cut pass-through rates from 37% to below 30%, delivering a roughly trillion-dollar tax benefit overwhelmingly to wealthy private business owners while being politically framed as small business relief.
✓Regulatory moats as wealth engines: Auto dealers and beer distributors accumulate outsized wealth primarily through legally protected local monopolies — not superior productivity. Dealers hold exclusive geographic territories; distributors sit in a mandated three-tier system. These franchise protections, originally designed to protect small operators, now shield multi-hundred-million-dollar private businesses from competitive pressure.
✓Tax arbitrage via S-Corp structure: A self-employed anesthesiologist running income through an S-Corp pays roughly 7–10 percentage points less in effective tax rate than a hospital-employed peer earning identical income. By classifying income above a "reasonable compensation" threshold as business profit rather than wages, owners legally avoid payroll taxes, ACA surcharges, and state and local tax deduction caps.
✓Entrepreneurship geography compounds wealth gaps: Using linked IRS owner-business-worker data, Zidar and Zwick find that someone raised in Salt Lake City is three times more likely to start a top-decile business than someone raised in Mississippi. Children of business owners start businesses at significantly higher rates even excluding inherited firms, suggesting that proximity and exposure to entrepreneurship functions as a compounding, transferable advantage.

What It Covers

Princeton economist Owen Zidar and Chicago Booth's Eric Zwick reveal findings from IRS pass-through business data showing that America's wealthiest class consists not of tech billionaires but millions of private business owners — auto dealers, beverage distributors, dentists, and contractors — who collectively drive more than half of rising U.S. income inequality.

Key Questions Answered

•Pass-through income concentration: 70% of every dollar in pass-through business income flows to the top 1%, and more than half of the growth in top-1% income share since the 1980s comes specifically from pass-through business income — making this sector the single largest driver of U.S. income inequality, yet it receives almost no public scrutiny compared to tech or finance wealth.
•The "small business" myth in tax policy: Only 20% of pass-through income actually comes from small businesses, per a Treasury study. The remaining 80% flows to large private firms. The 2017 tax reform cut pass-through rates from 37% to below 30%, delivering a roughly trillion-dollar tax benefit overwhelmingly to wealthy private business owners while being politically framed as small business relief.
•Regulatory moats as wealth engines: Auto dealers and beer distributors accumulate outsized wealth primarily through legally protected local monopolies — not superior productivity. Dealers hold exclusive geographic territories; distributors sit in a mandated three-tier system. These franchise protections, originally designed to protect small operators, now shield multi-hundred-million-dollar private businesses from competitive pressure.
•Tax arbitrage via S-Corp structure: A self-employed anesthesiologist running income through an S-Corp pays roughly 7–10 percentage points less in effective tax rate than a hospital-employed peer earning identical income. By classifying income above a "reasonable compensation" threshold as business profit rather than wages, owners legally avoid payroll taxes, ACA surcharges, and state and local tax deduction caps.
•Entrepreneurship geography compounds wealth gaps: Using linked IRS owner-business-worker data, Zidar and Zwick find that someone raised in Salt Lake City is three times more likely to start a top-decile business than someone raised in Mississippi. Children of business owners start businesses at significantly higher rates even excluding inherited firms, suggesting that proximity and exposure to entrepreneurship functions as a compounding, transferable advantage.

Notable Moment

Researchers discovered that auto dealers rank as the single largest source of top-0.1% pass-through income — surpassing finance and tech categories. They identified these owners by cross-referencing yacht and private jet registration databases, since IRS data legally prohibits naming individuals directly.

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Episode Transcript

00:00:02 Speaker 1: Bloomberg Audio Studios. Podcasts. Radio. 00:00:06 Speaker 2: News. 00:00:18 Speaker 3: Hello and welcome to another episode of the All Thoughts Podcast. I'm Tracy Allaway. 00:00:22 Speaker 1: And I'm Joe Weisenthal. 00:00:23 Speaker 3: Joe, I have a very exciting episode for you today. 00:00:26 Speaker 1: Go on. 00:00:27 Speaker 3: We are going to be talking about pass-throughs, S-cores, and the U.S. tax code. 00:00:32 Speaker 1: This is so great. I'm so excited about this because I remember during some of those tax cut negotiations and you'd have, who is that? I think it was a senator from Wisconsin, Ron Johnson. And he was like, or I don't know which one it was, but he was like, oh, we really need to preserve some pass-through. And I didn't learn about it. And then I was like, well, you know, whatever. And then I missed it. And I was like, great. So finally here in 2026, I can learn about something that I really should have learned earlier. in December of 2017. 00:01:01 Speaker 3: Well, actually, I'm glad you said that because this is sort of the thrust of what this entire conversation is going to be, which is when we talk about tax breaks for the wealthy, we normally talk about or we think about Jeff Bezos paying like zero percent income tax or something like that. But actually, a lot of the tax cuts that we've seen, I guess, since the 1980s and now most recently under the Trump administration are have been for S-cores, for these pass-through entities, which generally get framed as small businesses. 00:01:32 Speaker 2: That's right. 00:01:33 Speaker 3: But as it turns out, a lot of these businesses are actually phenomenally large and very, very wealthy. 00:01:39 Speaker 1: Yeah, there's a few things that I think are really interesting here. So, obviously, people just, like, love the sound of small business, right? Like, small business makes people feel good, whatever it is. People, like, it's sort of something aesthetically interesting. 00:01:53 Speaker 3: Something very American as well. You think about Tocqueville and his big impression of America was, oh, it's this nation of entrepreneurs. 00:02:01 Speaker 1: Yeah. So there's something about small business that feels good, etc. The other thing that I'm really interested in, and I brought this up a couple of times on the podcast, you know, I think when a lot of people think about the United States or the American economy and the sort of distribution of wealth and income and so forth, there is an incredible, you know, people talk about inequality and then they think, okay, there's like a 1% or a 0.1% that's insanely wealthy. You mentioned Jeff Bezos and a handful of others like that. And then people are aware of the fact that for a country as rich as ours, there's probably unacceptably high levels of like poverty and people perceive there …

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