Eye-Tracking and Economic Theories of Choice Under Risk

Glenn Harrison and J. Todd Swarthout

No 2018-08, Experimental Economics Center Working Paper Series from Experimental Economics Center, Andrew Young School of Policy Studies, Georgia State University

Abstract: We examine the ability of eye movement data to help understand the determinants of decision making over risky prospects. We start with structural models of choice under risk, and use that structure to inform what we identify from the use of process data in addition to choice data. We find that information on eye movements does significantly affect the extent and nature of probability weighting behavior. Our structural model allows us to show the pathway of the effect, rather than simply identifying a reduced form effect. This insight should be of importance for the normative design of choice mechanisms for risky products. We also show that decision response duration is no substitute for the richer information provided by eye-tracking.

Pages: 19
Date: 2018-12
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