_:b6533254 "Jim ran his fingers through his messy brown hair."@en . _:b6533252 "(of a place, situation, person, etc) In a disorderly state; chaotic; disorderly."@en . _:b6533253 "a messy office"@en . _:b6533255 "2013 August 3, \u201CBoundary problems\u201D, in The Economist, volume 408, number 8847:"@en . _:b6533254 . _:b6533255 . _:b6533252 . _:b6533253 . . "1" . _:b6533255 "Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists\u2019 most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory."@en .