Who Gets What – and Why

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In 2012, Alvin E. Roth was awarded the Nobel Prize in Economics. Roth is one of the world’s leading experts in game theory and market design, and is a professor of economics at both Stanford University and Harvard University.

Markets are often trusted to function fairly, but exploitation can lead to collapses, leaving participants without the information needed to make sound decisions. For example, the U.S. legal job market faces inefficiencies, such as "exploding offers" that pressure students into premature decisions, while firms lack insight into candidates' full qualifications. Attempts to regulate this system, like the NALP's rules, have been undermined by legal loopholes, perpetuating disorganization. Similarly, market congestion arises when excessive participants or choices overwhelm decision-making, though technology like Uber has shown how innovation can streamline dense markets. Trade markets rely on price for simplicity, but matching markets, where mutual agreement is key, face unique challenges, especially when resources are scarce or information is insufficient. New York public schools illustrate how thoughtful market design, such as a computerized matching system, can resolve inefficiencies and promote fairness. However, while improved communication can enhance markets, it can also lead to information overload, complicating decision-making. Mechanisms like signaling, seen in college admissions through early decision programs or exam scheduling, help alleviate such congestion by clarifying intent and priorities.

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