Hypobolic Discounting and Willingness-to-Wait
Interdisciplinary Center for Economic Science
June 1, 2012
GMU Working Paper in Economics No. 12-28
Experimental and field research has shown that individuals often exhibit time inconsistent preferences. Often this is in the direction of “hyperbolic” or quasi-hyperbolic discounting. That is, individuals have a steeper discount rate for a given delay length when that delay comes sooner. This paper presents an experiment that tests this hypothesis with a novel choice task. Instead of being asked how much money today makes them indifferent between some amount later, subjects are asked how long they would be willing to wait to be indifferent between some amount sooner and some larger amount later. In this new task, many subjects exhibit “hypobolic” discounting, the opposite of the standard finding. This result does not appear to be a consequence of payout risk. The result suggests that hyperbolic discounting may be subject to the framing of choices, and therefore not purely an aspect of preferences.
Number of Pages in PDF File: 17
JEL Classification: D81, D90
Date posted: June 18, 2012
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