Lloyd Shapley dies at 92; UCLA professor won Nobel for game-theory work
Lloyd S. Shapley, a researcher of strategic decision-making called game theory who shared the 2012 Nobel Prize in economics, has died. He was 92.
Rand Corp., where Shapley worked as a research mathematician for decades, said he died Saturday in Tucson. His health had declined after he broke a hip several weeks ago.
Shapley was 89 and professor emeritus at UCLA when he received the Nobel Memorial Prize in Economic Sciences for his work half a century earlier that analyzed match-making in markets.
He shared the prize with Alvin Roth, who teaches economics at Harvard and Stanford.
Shapley came up with formulas to match supply and demand in markets where prices don’t do the job; Roth put Shapley’s math to work in the real world.
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“For example, students have to be matched with schools, and donors of human organs with patients in need of a transplant,” the Royal Swedish Academy of Sciences said. “How can such matching be accomplished as efficiently as possible? What methods are beneficial to what groups?”
The academy said the two prize winners’ work sparked a “flourishing field of research” and helped improve the performance of many markets.
“I consider myself a mathematician, and the award is for economics,” Shapley said after learning of the honor. “I never, never in my life took a course in economics.”
The son of renowned astronomer Harlow Shapley, who helped estimate the size of the Milky Way galaxy, Shapley noted: “Now, I’m ahead of my father. He got other prizes.… But he did not get a Nobel Prize.”
Shapley’s work remains the subject of discussion in academic circles, according to Rand. A conference was convened in 2013 in Istanbul, Turkey, to discuss the “Shapley Value,” a concept he developed in 1953 that provides a method for uniquely valuing the contribution of each individual to a group where the value of the whole is greater than the sum of its parts.
Born in Cambridge, Mass., Shapley was studying at Harvard when he was drafted into the military in 1943. While serving in the Army Air Forces in China, Shapley received the Bronze Star for breaking a Soviet weather code.
He left in 1981 to join the faculty of UCLA as a professor of economics and mathematics.
That year, Shapley received the John von Neumann Theory Prize, awarded to those who make seminal contributions to theory in operations research and the management sciences.
Shapley is survived by two sons, Peter and Christopher, and their families.
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