"Facta non verba": an experiment on pledging and giving

Gilles Grolleau (), Guillermo Mateu, Angela Sutan and Radu Vranceanu
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Guillermo Mateu: BSB - Burgundy School of Business (BSB) - Ecole Supérieure de Commerce de Dijon Bourgogne (ESC)

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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 (search for similar items in EconPapers)
Date: 2015-06-18
New Economics Papers: this item is included in nep-cbe and nep-exp
Note: View the original document on HAL open archive server: https://essec.hal.science/hal-02799567v2
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Related works:
Journal Article: “Facta non verba”: An experiment on pledging and giving (2018)
Working Paper: "Facta Non Verba": an experiment on pledging and giving (2018)
Working Paper: " Facta non verba ": an experiment on pledging and giving (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-02799567

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