Jessica Wynn

speaker

8,464 appearances 15 recordings 1 series first heard Nov 2025 last heard 3d ago

Jessica Wynn’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 15 in all, peaking in May 2026 with 3.

Appearances

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The Jordan Harbinger Show · 1385: Food Deserts | Skeptical Sunday · 20 Sep 2026 podcast

So relatively speaking, the healthier, more expensive items get cheaper, which means people who travel farther may actually buy better groceries than people who have a store down the block because they're putting more thought and time and energy into their shopping list.

Yeah, well, economists developed the theory in 1964.

It's called the Alkian-Allen theorem, sometimes nicknamed shipping the good apples out.

So say regular coffee costs $1.50 a pound and premium costs $3.

At the store, the premium costs twice as much.

But now imagine both have to be shipped somewhere and shipping adds $1 to each pound.

Regular coffee becomes $2.50 and premium becomes $4.

So premium coffee is still more expensive, but the difference between them suddenly feels smaller.

Since you're already paying the same extra cost either way, spending a little more for the better coffee, it starts to seem worth it.

Yeah, in a way, yes.

And if you remove that fixed cost by putting a store right next door, you can actually make cheap, unhealthy food relatively more attractive again.

There's even some evidence of small negative effects on diet quality when the new store is open.

here.

Yeah.

I mean, this is an important concept that the standard food desert metrics, they completely miss that too.

A food mirage, it is a thing.

And it's when a neighborhood technically has a supermarket, but the in-store environment is skewed and effectively stocked differently.

There could be fewer fresh options, more processed foods at eye level, and more aggressive junk food promotions.

So the store counts as healthy food access on the government's map, but inside the store, not so much.

I mean, I think we've all been to those little grocery stores where the produce section is just surprisingly small, you know?

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