This paper analyzes the emerging literature on the determinants of giving within a social network. We propose two main explanatory variables for previous experimental results on the friendship effect. The first is social integration, which has a positive impact on giving. The second variable is strategic and is based on reciprocity: the possibility of ex-post favors. Econometric analysis shows that both variables play a positive (and significant) role.
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Pablo Brañas-Garza & Miguel Angel Durán & María Paz Espinosa, 2005.
"Do experimental subjects favor their friends?,"
ThE Papers
05/14, Department of Economic Theory and Economic History of the University of Granada..
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Pablo Brañas-Garza & Ramón Cobo-Reyes & Maria Paz Espinosa & Natalia Jiménez & Giovanni Ponti, 2006.
"Altruism in the (Social) Network,"
DFAEII Working Papers
200604, University of the Basque Country - Department of Foundations of Economic Analysis II.
[Downloadable!]
Pablo Brañas-Garza & Ramón Cobo-Reyes & Natalia Jiménez & Giovanni Ponti, 2005.
"An experimental device to elicit social networks,"
ThE Papers
05/19, Department of Economic Theory and Economic History of the University of Granada..
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