Definition of "nonroutine" [nonroutine]

• Not routine. (adjective)

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• "Rational players do not just automatically use one model and investors, in the real world, differ in approach, self-interest and interpretative emphasis; they recognize that their information is imperfect and that they are constantly buffeted by what Frydman and Goldberg call "nonroutine" change, such as innovations, perturbations of the Zeitgeist or, for that matter, revolutions and earthquakes."
• "The difference is that their notion of what is fundamental shifts over time as they react to nonroutine change."
• "These nonroutine tasks can be roughly subdivided into two categories: abstract tasks and manual tasks."