Why Markets Fail — and How to Fix Them (ft. Nobel Economist Alvin Roth)
a16z crypto
Jul 11, 2026
Market design moves beyond describing how the world works to actively engineering how it should work. By applying economic theory to real-world constraints—like kidney exchanges or school admissions—designers can solve coordination failures. Success requires balancing mathematical rigor with the social reality of "repugnant" transactions and the practical necessity of building trust.
Key insight: The "Iron Law of Marriage" in matching markets: you cannot be happier than your spouse, which creates complex complementarities that require specific algorithmic adaptations to ensure stable outcomes.
