
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas 353 | Alvin Roth on the Economics of Morally Contested Markets
32 snips
May 11, 2026 Alvin Roth, Nobel Prize–winning economist and market designer at Stanford, explores morally contested markets. He discusses how markets differ from other institutions and how design, law, and social norms shape transactions. Short segments cover kidney exchanges, paid plasma, surrogacy, drug policy, and why some trades become politically fraught.
AI Snips
Chapters
Books
Transcript
Episode notes
Repugnance Explains Contested Markets
- Repugnant transactions are those some participants want but others oppose for moral/religious reasons, distinct from universally disgusting acts.
- This explains why legality varies across jurisdictions for the same transaction.
Hitmen Are Socially Deterrable While Drugs Are Not
- Hiring a hitman is hard social normatively: people would report you, talk to police, or undercover cops would intervene.
- Buying drugs is easy socially despite similar legal penalties, showing enforcement and norms differ.
Kidney Shortage Is A Matching Problem With Legal Constraints
- Kidney transplantation is a matching market with a severe supply gap because living donors are legally unpaid.
- US does ~30k transplants/year versus ~90k on waiting list; paying donors is illegal almost everywhere except Iran.







