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Showing posts with label Alvin Roth and Lloyd Shapley. Show all posts
Showing posts with label Alvin Roth and Lloyd Shapley. Show all posts

Monday, October 15, 2012

US scholars Lloyd Shapley (left) and Alvin Roth won the Economics Nobel








Two Americans were awarded the Nobel economics prize on Monday for studies on the matchmaking taking place when doctors are coupled up with hospitals, students with schools and human organs with transplant recipients.
    The work of Alvin Roth and Lloyd Shapley has sparked a “flourishing field of research” and helped improve the performance of many markets, the Royal Swedish Academy of Sciences said. Roth, 60, is a professor at Harvard University in Boston. Shapley, 89, is a professor emeritus at University of California LA.
    “This year’s prize concerns a central economic problem: how to match different agents as well as possible,” the academy said.
    Shapley made early theoretical inroads into the subject, using game theory to analyze different matching methods in the 1950s and 60s. Together with US economist David Gale, he developed a mathematical formula for how 10 men and 10 women could be coupled in a way so that no one would benefit from trading partners. While that may have had little impact on marriages and divorces, the algorithm they developed has been used to better understand many different markets.
    In the 1990s, Roth applied it to the market for allocating US student doctors to hospitals. He developed a new algorithm that was adopted by the National Resident Matching Program, which helps match resident doctors with the right hospitals.
    “Even though these two researchers worked independently, the combination of Shapley’s basic theory and Roth’s empirical investigations, experiments and practical design has generated a flourishing field of research and improved the performance of many markets,” the academy said. AP
WINNING THEORY
The Royal Swedish Academy of Sciences cited Americans Alvin Roth of Harvard University and Lloyd Shapley, professor emeritus at the University of California, Los Angeles, for ‘the theory of stable allocations and the practice of market design’
    Their research focuses on the problem of matching different agents in a market — doctors with hospitals, students with schools and human organs with transplant recipients — in situations where prices aren’t the deciding factor

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