Two American scholars were awarded the Nobel economics prize on Monday for studies on the match-making that takes 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,” the Royal Swedish Academy of Sciences said. Roth, 60, is a professor at Harvard University and Harvard Business School. Right now he is a visiting professor at Stanford University. Shapley, 89, is a professor emeritus at University of California Los Angeles.
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