The Input Bias: How Managers Misuse Information When Making Decisions

Fans of the hit TV comedy “The Jerry Seinfeld Show” may remember an episode in which Jerry’s friend George leaves his car parked at work so that the boss will think George is putting in long hours even when he’s not. The idea of course is that George’s apparent productivity will net him a higher raise or bonus. Wharton professor Maurice Schweitzer would call George’s behavior “an attempt to invoke the input bias – the use of input information (in this case the false impression of long hours) to judge outcomes.” As extreme as this example might seem business decisions are frequently made based on input that is either biased or manipulated as Schweitzer and colleague Karen Chinander suggest in a new paper entitled “The Input Bias: The Misuse of Input Information in Judgments of Outcomes.”

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