Digit Ratio (2d:4d) Moderates the Impact of Sexual Cues on Men's Decisions in Ultimatum Games

KUL Working Paper No. MO 0604

15 Pages Posted: 14 Nov 2006

See all articles by Bram Van den Bergh

Bram Van den Bergh

KU Leuven - Faculty of Business and Economics (FEB)

Siegfried Dewitte

KU Leuven - Faculty of Business and Economics (FEB)

Date Written: April 2006

Abstract

Three experimental studies demonstrate that 'sex-related cues' impact human decision making in ultimatum games. In the ultimatum game, two individuals divide a sum of money. The proposer offers a portion of the money to the other player, the responder. If the responder accepts the offer, the money is distributed in agreement with the proposer's offer. If the responder rejects the offer, neither player receives anything. Our studies show that exposure to pictures of sexy women or lingerie increases the likelihood of accepting unfair offers. Digit ratios of responders are reliably associated with responder's behaviour: Males with lower digit ratios are more likely to reject an unfair split in neutral contexts, but more likely to accept unfair offers in sex related contexts.

Keywords: Self-control, Theory, Processes, Cognition, Studies, Performance, Cost, University, Science, Consumer behavior, Behavior, Impact, Decisions, Decision, Research

Suggested Citation

Van den Bergh, Bram and Dewitte, Siegfried, Digit Ratio (2d:4d) Moderates the Impact of Sexual Cues on Men's Decisions in Ultimatum Games (April 2006). KUL Working Paper No. MO 0604, Available at SSRN: https://ssrn.com/abstract=944403 or http://dx.doi.org/10.2139/ssrn.944403

Bram Van den Bergh (Contact Author)

KU Leuven - Faculty of Business and Economics (FEB) ( email )

Naamsestraat 69
Leuven, B-3000
Belgium

Siegfried Dewitte

KU Leuven - Faculty of Business and Economics (FEB) ( email )

Naamsestraat 69
Leuven, B-3000
Belgium

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