. "Xavier Sala i Mart\u00EDn"@en . . "Catalan economist" . . "1962-06-17Z"^^ . "1962Z"^^ . . . "Sala-i-Martin, Xavier"@en . . . "Xavier Sala i Mart\u00EDn (also Sala-i-Martin in English) (born June 17, 1962 in Cabrera de Mar (Catalonia, Spain), is a Catalan-American economist, and currently a professor at Columbia University.Sala i Martin earned his degree from the Autonomous University of Barcelona in 1985, and his Ph.D. from Harvard University in 1990, both in economics."@en .