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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

Experimental game theory and behavior genetics.

David Cesarini1, Christopher T Dawes, Magnus Johannesson

  • 1Department of Economics, Massachusetts Institute of Technology, 50 Memorial Drive, Cambridge, MA 02142, USA. cesarini@mit.edu

Annals of the New York Academy of Sciences
|July 8, 2009
PubMed
Summary
This summary is machine-generated.

Behavioral economics and genetics research shows that economic game strategies are moderately heritable. Findings suggest a genetic basis for social behaviors, with implications for understanding their molecular genetic architecture.

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Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
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Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
13:40

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking

Published on: December 16, 2010

Area of Science:

  • Behavioral genetics
  • Behavioral economics
  • Social neuroscience

Background:

  • Economic games like trust, dictator, and ultimatum games are widely used to study social decision-making.
  • Understanding the genetic underpinnings of social behavior is a key challenge in behavioral genetics.

Purpose of the Study:

  • To investigate the heritability of behaviors and economic preferences in standard economic games.
  • To explore the genetic basis of "hyperfair" preferences in the ultimatum game.
  • To discuss the implications for understanding the molecular genetic architecture of complex social behaviors.

Main Methods:

  • Behavioral genetic variance decomposition was applied to data from economic games.
  • Analysis focused on strategies and fundamental economic preference parameters.

Main Results:

  • Strategies and economic preference parameters in economic games are moderately heritable.
  • Heritability estimates ranged from 18% to 42%.
  • New evidence on "hyperfair" preferences in the ultimatum game was reported.

Conclusions:

  • Behavioral and economic preferences in social interactions have a significant genetic component.
  • Findings contribute to understanding the genetic basis of complex social behaviors.
  • Results have implications for future research into the molecular genetics of sociality.