Behavioral and Brain Sciences

Short Communication

What's a face worth: Noneconomic factors in game playing

Peter J. B. Hancock a1 and Lisa M. DeBruine a2

a1 Department of Psychology, University of Stirling, Stirling, FK9 4LA United Kingdom
a2 Department of Psychology, McMaster University, Hamilton, Ontario L8S 4K1, Canada


Where behavior defies economic analysis, one explanation is that individuals consider more than the immediate payoff. We present evidence that noneconomic factors influence behavior. Attractiveness influences offers in the Ultimatum and Dictator Games. Facial resemblance, a cue of relatedness, increases trusting in a two-node trust game. Only by considering the range of possible influences will game-playing behavior be explained.