A decision bias centered on how people weigh a present reward or cost against a future one, most often documenting that people systematically undervalue a delayed outcome relative to an immediate one, or continue investing in a choice because of resources already spent rather than the choice's actual future value. This group gathers the temporal discounting phenomena recorded for this atlas, drawn from the standard judgment-and-decision-making literature on delay discounting, procrastination and the sunk cost fallacy and its relatives.
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Originating WorkPaul Samuelson's 1937 discounted-utility model 1 Browse By
Temporal Discounting Effects
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Sources
1. Wikipedia: Time preference
WikipediaTime preference, Samuelson sectionQuote, Time preference, Samuelson section
Such ideas were later formalized by Paul Samuelson in 'A Note on Measurement of Utility.' In this paper, he described a model wherein people want to maximize their utility over all future periods, with future utility being devalued exponentially from the present value.
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