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Article: Tuesday, 7 March 2023

A recent study by RSM associate professors Dr Aurélie Lemmens and Dr Bram Van den Bergh, and Dr Emilie Esterzon senior research fellow at Solvay Brussels School of Economics & Management reveals that empowering donors can make fundraising more effective. They found that allowing donors to choose the charitable project to which their gifts will be dedicated increase fundraising revenues by over 40%. Their study, Enhancing Donor Agency to Improve Charitable Giving: Strategies and Heterogeneity has been published in the Journal of Marketing, and by the American Marketing Association.

Many charities are struggling for donations and need new ways to maintain their donated income streams. The researchers conducted a series of experiments and a large-scale field study with more than 40,000 donors to document the effect of letting donors choose how their gifts will be used and explain why it works.


What do donors have in mind?

People donate to charities because they believe in the charity’s mission and actions; they depend on the charity to spend their donation appropriately. But some necessary expenses like salaries and overhead are not what donors have in mind when they donate.

The researchers propose that giving donors a greater sense of agency can be an effective and inexpensive strategy to motivate them to donate. By allowing donors to choose a specific charitable project, rather than contributing to the charity more broadly, they have a greater sense of control over the way the charity allocates its resources.

To prove this effect, the researchers ran a field experiment in collaboration with a European charity. Together, they designed a fundraising campaign to test the effect of agency. A random subset of donors received three bank transfer orders so they could choose the bank transfer order that corresponded to the project they wanted to fund. The rest of the donors only received one bank transfer order, so they had no choice as to how the charity would spend their gift. “While one could think the intervention was quite subtle, we were impressed to see how strongly it influenced donors’ behaviour,” say the researchers. “Donors really value having a say in the charity’s resources allocation decisions.” Fundraising revenues increased up to 42 per cent when donors could choose how money should be allocated across charitable projects. “Our results show that donors experienced a greater ‘sense of agency’ when they could tell the charity what to do with their money,” they said.

Loyal donors vs donors with strong donation habits

Like with many customer-centric decisions, one should not keep in mind that people have different needs and preferences. “Here too, our research found that not all donors value agency equally,” said the researchers. “Those who valued agency the most were the most generous, loyal, and engaged donors.” The study found that, in contrast, less active and less engaged donors did not react to the intervention, nor did the donors who have strong donation habits. The results showed that it is more difficult to influence donors when they always donate the same amount at the same frequency, such as donors who exclusively donate around Christmas or donors with a fixed monthly payment.

Donors really value having a say in the charity’s resources allocation decisions

Three recommendations

The researchers make three recommendations for charities interested in boosting their fundraising campaigns:

1. Empower your donors.

For instance, involve them in deciding which projects to fund.

2. Recognize that not all donors value agency.

To determine which donor segment to involve in the charity’s decisions, consider running a small-scale A/B/n test which can tests different fundraising requests.

3. Optimise your fundraising campaign

by selectively contacted donors based on the results of the A/B/n test. The code repository at https://osf.io/4nzsw/ is available to anyone interested in implementing the proposed methodology.

Dr A. (Aurélie) Lemmens
Associate Professor
Rotterdam School of Management (RSM)
Erasmus University Rotterdam
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Aurélie Lemmens
dr. B. (Bram) Van den Bergh
Associate Professor of Marketing
Rotterdam School of Management (RSM)
Erasmus University Rotterdam
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Bram Van den Bergh
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