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Kidneys for sale | The Gray Area

Vox | August 26, 2026



Is it ever okay to put a price on a kidney? Why is it illegal to sell an organ, but perfectly legal to sell blood plasma? This episode explores the world of “repugnant transactions”β€” the markets we find morally offensive β€” and asks why we ban certain markets as “gross” or “unethical” while ignoring others that might cause more harm.

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In this episode of The Gray Area, host Bryan Walsh sits down with Nobel laureate Alvin Roth, who wrote the recent book Moral Economics, to discuss how markets are the key to understanding our most deeply held social values. They break down why society chooses to ban certain transactions, how those choices affect real lives, and whether we can use “market design” to save people without violating our ethical standards.

Host: Bryan Walsh, Vox Editorial Director
Guest: Alvin Roth, Professor of Economics at Stanford University and author of Moral Economics: From Prostitution to Organ Sales, What Controversial Transactions Reveal About How Markets Work.

00:00 Intro
02:57 What is a β€˜repugnant transaction?’
08:19 America’s kidney shortage
12:05 Iran’s kidney market
30:39 Kidney transplantation vs dialysis
24:22 The ethics of paying for kidneys
32:16 Other β€˜repugnant transactions’

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Written by Vox

Comments

This post currently has 18 comments.

  1. @lizjoe21750

    August 26, 2026 at 2:44 pm

    I need a kidney. My doctors have pointed out the hypocrisy of it being completely legal for people to hire a surrogate to carry a child for them but it's somehow illegal to pay a willing donor for a kidney.

  2. @nnkk7742

    August 26, 2026 at 2:44 pm

    Could just create a system where less people need and more people are donating, but lets just let the rich start consuming the poors organs as a novelty meal. Money doesn't correlate with need or efficiency, the system is beyond broken.

  3. @ashr

    August 26, 2026 at 2:44 pm

    Nope, make organ donors either opt out, or so that people that are designated organ donors get priority for organ donations, or better yet both of those things. See organ donation numbers skyrocket, and we wouldnt need to buy any organs.

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