. "1924Z"^^ . . . "Arnold Harberger"@en . "1924-07-27Z"^^ . . "American economist" . . . . . "Arnold C. Harberger (born July 27, 1924) is an American economist. Harberger's Triangle, widely used in welfare economics, is named after him."@en . . . . . . "Harberger, Arnold"@en .