Die Auswirkungen des Zeitpunkts und der Art der Spendenentscheidung auf wohltätiges Spendenverhalten
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The impact of timing and type of donation decision on charitable giving
We study how the timing and the type of donation decisions affect charitable giving. In an online real-effort experiment with a subsistence income constraint, participants could donate to a charity either before or after they worked to generate income. We find no evidence that timing affects the propensity to donate or the amounts donated. However, if a donation is expressed as a share of future income rather than an absolute amount, more people donate and they donate larger amounts. Advance commitment does not appear to have a motivational effect on effort. Our findings suggest that requesting donations as a share of future income may enhance charitable giving.
We study how the timing and the type of donation decisions affect charitable giving. In an online real-effort experiment with a subsistence income constraint, participants could donate to a charity either before or after they worked to generate income. We find no evidence that timing affects the propensity to donate or the amounts donated. However, if a donation is expressed as a share of future income rather than an absolute amount, more people donate and they donate larger amounts. Advance commitment does not appear to have a motivational effect on effort. Our findings suggest that requesting donations as a share of future income may enhance charitable giving.