Even a simple loyalty program can woo customers into visiting more or prevent them from straying. Photo via Getty Images

Almost everyone who has shopped at a supermarket or hopped on a plane has been invited to join a customer loyalty club. But even the businesses that offer these programs are sometimes unsure of who uses and benefits from them most.

Rice Business Professor Arun Gopalakrishnan joined Zhenling Jiang from the University of Pennsylvania and Yulia Nevskaya and Raphael Thomadsen from Washington University in St. Louis to study non-tiered loyalty programs (these differ from tiered loyalty programs, which offer more benefits and exclusivity to customers who spend more).

These simpler programs, the researchers found, can have a striking value: the program they studied increased customer value by almost 30 percent during a five-year time frame, they found. That's considerably higher than previously found in this type of loyalty program. Almost as surprisingly, the program's effect on moderately loyal customers – seemingly among the likely beneficiaries – was minimal. Instead, it had the most dramatic impact on customers who had previously showed either great engagement with the firm or almost no engagement at all.

"The main upside of the program was that it got people to stick around with the firm, preventing defection," Gopalakrishnan said on the podcast INFORMS. At the company he studied, more than 80 percent of the total lift came simply from keeping customers in the fold.

Typically, he added, loyalty programs are assumed to be most worthwhile to frequent or high-spending customers. But the researchers found that very low-frequency customers who joined the program were also more likely to stick around, even though it didn't make much economic difference for them. "There may be some psychological benefit, just from being part of the program, that helps keeps these less frequent customers from walking away," Gopalakrishnan suggested.

Researchers have found it fairly easy to study tiered loyalty programs. But the exact value of the simpler, non-tiered programs is more obscure. That's because the previous studies typically included customers who had self-selected by joining a loyalty program.

Gopalakrishnan's research took a different approach. To address the imprecisions of past research, he and his team built a data collection model that let them examine consumer behavior both before and after customers joined a loyalty program. Importantly, the model also distinguished between program members (some of whom had been automatically signed up for the program) and nonmembers.

Using this more detailed model, the research team studied the behavior of more than 5,500 men's hair salon clients over 30 months. The research was possible because the team had already been following these clients to track how much money they spent during each visit, their frequency of visits, the types of services and products they used and if they used any type of discounts.

Then, ten months into the study, the hair salon chain created a non-tiered loyalty program. Customers who joined received a coupon via email for $5 off for every $100 they spent. Other customers chose not to join. That allowed researchers to compare the behavior in the two groups, with non-members as the control group.

The loyalty program had no impact on the amount of money clients spent during each visit, researchers found. Gopalakrishnan's team speculated that this might be because industries like hair salons have only a limited ability to increase sales of goods and services. Hair, after all, only grows so fast. On the other hand, the loyalty program did appear to influence how often customers visited.

Rather than increasing the frequency of visits for moderate clients, however, non-tiered loyalty programs changed the behavior of customers who were at the two poles of engagement: those who rarely showed up and those who visited so often they were practically on a first-name basis with their stylist.

At a time when consumers are overwhelmed with marketing ploys to lure their time and dollars, a thoughtful loyalty program can indeed be a good business investment, Gopalakrishnan's team concluded. However, managers should bear in mind that the benefit may not be exactly what they expect. Instead of giving a gentle nudge to turn steady customers into bigger spenders, good loyalty programs seem best at corralling outliers into the herd.

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This article originally ran on Rice Business Wisdom and is based on research from Arun Gopalakrishnan, assistant professor of marketing at Rice Business; Zhenling Jiang, assistant professor of marketing at the Wharton School of the University of Pennsylvania; and Raphael Thomadsen and Yulia Nevskaya, professor of marketing and an assistant professor of marketing, respectively, at the Olin Business School of Washington University in St. Louis.

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Rice University team develops eco-friendly method to destroy 'forever chemicals' in water

clean water research

Rice University researchers have teamed up with South Korean scientists to develop the first eco-friendly technology that captures and destroys toxic “forever chemicals,” or PFAS, in water.

PFAS have been linked to immune system disruption, certain cancers, liver damage and reproductive disorders. They can be found in water, soil and air, as well as in products like Teflon pans, waterproof clothing and food packaging. They do not degrade easily and are difficult to remove.

Thus far, PFAS cleanup methods have relied on adsorption, in which molecules cling to materials like activated carbon or ion-exchange resins. But these methods tend to have limited capacity, low efficiency, slow performance and can create additional waste.

The Rice-led study, published in the journal Advanced Materials, centered on a layered double hydroxide (LDH) material made from copper and aluminum that could rapidly capture PFAS and be used to destroy the chemicals.

The study was led by Rice professor Youngkun Chung, a postdoctoral fellow under the mentorship of Michael S. Wong. It was conducted in collaboration with Seoktae Kang, professor at the Korea Advanced Institute of Science and Technology, and Keon-Ham Kim, professor at Pukyung National University, who first discovered the LDH material.

The team evaluated the LDH material in river water, tap water and wastewater. And, according to Rice, that material’s unique copper-aluminum layers and charge imbalances created an ideal binding environment to capture PFAS molecules.

“To my astonishment, this LDH compound captured PFAS more than 1,000 times better than other materials,” Chung, lead author of the study and now a fellow at Rice’s WaTER (Water Technologies, Entrepreneurship and Research) Institute and Sustainability Institute, said in a news release. “It also worked incredibly fast, removing large amounts of PFAS within minutes, about 100 times faster than commercial carbon filters.”

Next, Chung, along with Rice professors Pedro Alvarez and James Tour, worked to develop an eco-friendly, sustainable method of thermally decomposing the PFAS captured on the LDH material. They heated saturated material with calcium carbonate, which eliminated more than half of the trapped PFAS without releasing toxic by-products.

The team believes the study’s results could potentially have large-scale applications in industrial cleanups and municipal water treatments.

“We are excited by the potential of this one-of-a-kind LDH-based technology to transform how PFAS-contaminated water sources are treated in the near future,” Wong added in the news release. “It’s the result of an extraordinary international collaboration and the creativity of young researchers.”

Axiom Space announces new CEO amid strategic leadership change

new leader

Six months after promoting Tejpaul Bhatia from chief revenue officer to CEO, commercial space infrastructure and human spaceflight services provider Axiom Space has replaced him.

On Oct. 15, Houston-based Axiom announced Jonathan Cirtain has succeeded Bhatia as CEO. Bhatia joined Axiom in 2021. Cirtain remains the company’s president, a role he assumed in June, according to his LinkedIn profile.

In a news release, Axiom said Cirtain’s appointment as CEO is a “strategic leadership change” aimed at advancing the company’s development of space infrastructure.

Axiom hired Cirtain as president in June, according to his LinkedIn profile. The company didn’t publicly announce that move.

Kam Ghaffarian, co-founder and executive chairman of Axiom, said Cirtain’s “proven track record of leadership and commitment to excellence align perfectly with our mission of building era-defining space infrastructure that will drive exploration and fuel the global space economy.”

Aside from praising Cirtain, Ghaffarian expressed his “sincere gratitude” for Bhatia’s work at Axiom, including his leadership as CEO during “a significant transition period.”

Bhatia was promoted to CEO in April after helping Axiom gain more than $1 billion in contracts, Space News reported. He succeeded Ghaffarian as CEO. Axiom didn’t indicate whether Bhatia quit or was terminated.

Cirtain, an astrophysicist, was a senior executive at BWX Technologies, a supplier of nuclear components and fuel, for eight years before joining Axiom. Earlier, Cirtain spent nearly nine years in various roles at NASA’s Marshall Space Flight Center in Huntsville, Alabama. He previously co-founded a machine learning company specializing in Earth observation.

“Axiom Space is pioneering the commercialization of low-Earth orbit infrastructure while accelerating advancements in human spaceflight technologies,” Cirtain said. “I look forward to continuing our team’s important work of driving innovation to support expanded access to space and off-planet capabilities that will underpin the future of space exploration.”

Among other projects, Axiom is developing the world’s first commercial space station, creating next-generation spacesuits for astronauts and sending astronauts on low-Earth orbit missions.

Houston billionaire benefactors will donate almost entire fortune to charity

Giving Back

Houston billionaires Rich and Nancy Kinder plan to donate an astounding 95% of their multi-billion-dollar wealth to charities, they told ABC13's Melanie Lawson.

The news comes as the Kinder Foundation announced an $18.5 million expansion project for Emancipation Park in the heart of Third Ward. That historic park was founded by slaves in 1872.

The Kinders are one of the wealthiest couples in the nation, worth $11.4 billion, according to Forbes. You've certainly seen the Kinder name on buildings and facilities around the city of Houston.

The Kinders are also among the most generous, giving away hundreds of millions to Houston institutions and charities. Their plan is to give away almost all of their wealth, or more than $10 billion.

Rich Kinder helped build oil and gas pipeline giant Kinder Morgan, but he stepped down as CEO more than a decade ago for a what he calls a bigger cause.

"Well, I think we'd all like to leave the world a little better place than we found it," he said. "And we just felt early on that the right thing to do was to try to give most or all of that away. So that's what we plan to do during our lifetime and after our death."

They found kindred spirits as one of the first couples to sign The Giving Pledge, established by billionaires Bill and Melinda Gates and Warren Buffett.

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Continue reading the full story, with video, on ABC13.com.