Facta non verba : an experiment on pledging and givingReport as inadecuate

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1 LAMETA - Laboratoire Montpelliérain d-Économie Théorique et Appliquée 2 ESC Dijon Bourgogne 3 Unité MIAJ - INRA - Mathématiques et Informatique Appliquées 4 Economics Department

Abstract : This paper builds an experiment to investigate whether asking people to state how much they will donate to a charity to pledge can increase their actual donation. Individuals’ endowment is either certain or a random variable. We study different types of pledges, namely private, public and irrevocable ones, which differ in individual cost of not keeping a promise. Public pledges appear to be associated to lower donation levels. Irrevocable pledges ensure an amount of donations equal to donations in absence of pledges. Moreover, a significant number of individuals keep their promises, in presence of either private or public pledges. A higher risk attached to the endowment increases donations.

Keywords : Charity giving Pledge Commitment Communication Experiments

Author: Gilles Grolleau - Guillermo Mateu - Angela Sutan - Radu Vranceanu -

Source: https://hal.archives-ouvertes.fr/


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