Do experimental subjects favor their friends?
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Universidad de Granada. Departamento de Teoría e Historia Económica
Experimental proceduresFriendship effectDictator gameFairness
Brañas-Garza, P.; Durán, M.A.; Espinosa, M.P. Do experimental subjects favor their friends?. Universidad de Granada. Departamento de Teoría e Historia Económica (2005). (The Papers; 05/14). [http://hdl.handle.net/10481/31475]
Patrocinadoraría Paz Espinosa acknowledges financial aid from UPV and MCT (BEC2003-02084); Pablo Brañas-Garza from Fundación Ramón Areces (2005) and DGCYT (SEJ2004-07554/ECON).
deally we would like experimental subjects to be perfect strangers so that the situation they face at the lab is not just part of a long run interaction. Unfortunately, it is not easy to reach those conditions and experimenters try to mitigate any effects from these out-of-the-lab relationships by, for instance, randomly matching subjects. However, even if this type of procedure is used, it cannot be excluded that a subject may face a friend or an acquaintance. For the dictator game we find evidence that a positive probability of playing with a friend is not relevant to experimental results. However, when subjects are certain to face a friend they give more.