Passion Struck with John R. Miles

Nobel Laureate Alvin Roth: How Incentives Shape Your Life | EP 757

Apr 21, 2026
Guest
Alvin Roth
Alvin Roth, Nobel Prize–winning economist and market designer, discusses how incentives and systems shape decisions. He explores repugnant transactions, markets as allocation systems, prohibition pushing trades underground, kidney and plasma markets, and how norms, trust, and policy interact with emerging tech. Short, surprising takes on how structures steer choices.
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INSIGHT

Markets Are Allocation Systems Not Just Money Exchanges

  • Markets are broader systems that allocate access and goods, not just places where money changes hands.
  • Alvin Roth used kidney transplants to show markets can function without money and still allocate scarce resources poorly when constrained by moral norms.
INSIGHT

Repugnant Transactions Reveal Moral Boundaries

  • Repugnant transactions are those some want and others forbid for moral or religious reasons, distinct from bans against direct harms like pollution.
  • Roth frames same-sex marriage and other consensual adult behaviors as examples where moral objections, not clear external harms, drove prohibition.
ANECDOTE

Alan Turing Illustrates Harm Of Moral Bans

  • Alan Turing helped win WWII and pioneered computing but was criminally prosecuted for homosexuality and chemically castrated, later dying by suicide.
  • Roth uses Turing to show how moral norms once criminalized actions we now accept, with lasting injustice.
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