Who Gets What And Why The New Economics Of Matchmaking And Market Design _hot_ ❲INSTANT | 2025❳

At the heart of market design lies a philosophical question: What is a fair match?

Dating apps are massive matching engines. But unlike kidney exchanges or school choice, dating markets face a unique challenge: two-sided search with incomplete information. Tinder’s original algorithm was simple—location, age, and a random shuffle. But modern dating apps now incorporate Gale-Shapley logic in the background, trying to predict mutual attraction (or at least mutual interest) to reduce the enormous search costs. At the heart of market design lies a

Consider human kidneys. In the United States alone, over 90,000 people are waiting for a kidney transplant. Every year, thousands die on the list. A classical economist might say: Let the price rise. If a kidney cost $50,000, more people would donate, and those who need one most could pay. But almost every society finds this repugnant. Selling organs is illegal in nearly every country. We do not want a system where the rich get to live and the poor die. Price is a powerful tool, but it is also a morally blunt instrument. In the United States alone, over 90,000 people

The result is —no doctor and hospital would prefer each other over their current match. And critically, it is strategy-proof : students can safely rank their true preferences without gaming the system. If a kidney cost $50