. "1988-01-01T00:00:00"^^ . "\u7D93\u6FDF\u6982\u5FF5"@zh-hant . . . "Social science concepts related to economics."@en . . . . . . . . . . . . . . . . . . "economic concepts"@en . . . . . . . . . . . "economic concept"@en . . "300055673" . "2017-08-25T10:45:09"^^ . . "economische begrippen"@nl . . "conceptos econ\u00F3micos"@es . . "concepts, economic"@en . . .