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Small incentive found to boost low-income solar-energy project

Small incentive boosts low-income solar-energy project
Illustration of experimental conditions. Clients of the non-profit were randomized to receive one of three mailers about the referral reward program. All mailers reminded clients that they could receive a US$200 reward for each referral that resulted in a solar installation. The control group received the standard postcard reminder, which included a toll-free phone number and website for providing referrals. The reciprocity condition provided the same information in a letter along with a US$1 that was described as a gift. The reciprocity + simplification condition was the same as the reciprocity treatment but added a referral slip and stamped return envelope. Eleven days after the initial mailing, all clients received a postcard reminder about the referral program. For reciprocity and reciprocity + simplification, the postcard reminded clients of the gift they had received: ‘We hope you liked the small gift we sent in the mail’. Credit: Nature Energy (2023). DOI: 10.1038/s41560-023-01298-5

A team of researchers studying ways to persuade low-income families to take advantage of free or low-cost solar energy installations confirmed that sometimes it's the small things that can be most persuasive.

Kim Wolske, a professor of environmental psychology at the University of Chicago, teamed up with the non-profit GRID Alternatives of California to see if they could boost participation in a program that provides valued at up to $27,000 to families living at or near poverty levels.

Poor communities, the researchers said, often bear the brunt of oppressive environmental issues such as high energy costs, power outages and pollution.

GRID had some success with an that offered $200 to families who had systems installed who in turn referred the program to friends. Utilizing peer-incentive programs is commonly used by businesses that understand that are more likely to respond to offers endorsed by family, friends or acquaintances than they are to pitches from faceless businesses.

Wolske and her team developed three plans to hike participation in the energy savings program, made possible by grants under the Biden administration's Inflation Reduction Act.

"It can sound too good to be true when you've got someone saying we can give you at no cost," said Wolske.

The first approach was essentially the current plan: a post card reminding current solar-energy system owners of the $200 incentive, along with a toll-free number and web site they can contact.

The second strategy included the above postcard but added a $1 gift as a thank you for their participation in the publicity program.

The third plan added a postage-paid envelope with a referral slip that simplified the reporting process.

While the first approach generated roughly one referral for every 100 clients, the second method doubled that amount, to one referral per 52 clients. The number of solar contracts ultimately obtained rose 250 percent.

The third approach—the small thank you gift plus simplification of referral—generated one referral for every 14 clients.

Overall, the researchers report, solar contracts gained through the $1 gift and simplification approaches yielded 5.2 times the number of contracts gained under the first approach.

Social psychologist Leon Festinger addressed the act of decision making in the 1950s, referring to the "cognitive dissonance" displayed by individuals wrestling with conflicting emotions.

In a Stanford University experiment, Festinger assigned subjects to an extremely boring hourlong task. They were then given either $1 or $20 to persuade others waiting to do the task that it was enjoyable.

When asked at the end of the experiments how they rated the tasks, those paid $1 scored them as more enjoyable than those paid $20.

As explained in a recent Psychology Today summary of the experiment, "If the reward is bigger, we are more likely to conclude that we did it for the benefit of the reward itself. But if the reward is smaller, we are more likely to believe that we did it because we like it better and enjoy it more."

Festinger would explain that a smaller reward allows one to rationalize that a task was done from intrinsic motivation, doing something for its own sake, which is more satisfying than if they were paid a larger sum.

The small $1 gift (on top of the promised $200) in the solar-energy experiment may be seen as a significant motivator that allowed participants to feel they were acting on an inherently good proposal.

"The strategies we've identified could work for other energy assistance programs, from heating and insulation upgrades to electric vehicle incentives," Wolske said. "The ultimate goal is to extend the reach of these programs, making our energy systems more efficient, cleaner and inclusive."

The report, "Increasing the reach of low-income programmes through behaviorally informed peer referral," appeared in Nature Energy online July 6.

More information: Kimberly S. Wolske et al, Increasing the reach of low-income energy programmes through behaviourally informed peer referral, Nature Energy (2023). DOI: 10.1038/s41560-023-01298-5

Journal information: Nature Energy

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Citation: Small incentive found to boost low-income solar-energy project (2023, August 10) retrieved 16 June 2024 from https://techxplore.com/news/2023-08-small-incentive-boost-low-income-solar-energy.html
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