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Monday, August 08, 2022

Friendships between rich and poor can reduce poverty, vast study finds

For poor children, living in an area where people have more friendships that cut across class lines significantly increases how much they earn in adulthood, a new research has found.

By: New York Times |
August 2, 2022 12:26:18 pm
cross class friendshipsLawyer Jimarielle Bowie at her alma mater, Angelo Rodriguez High School, in Fairfield, California. She credits some of her success to the friendships she made in high school. (The New York Times)

Written by Claire Cain Miller, Josh Katz, Francesca Paris and Aatish Bhatia

Over the last four decades, the financial circumstances into which children have been born have increasingly determined where they have ended up as adults. But an expansive new study, based on billions of social media connections, has uncovered a powerful exception to that pattern that helps explain why certain places offer a path out of poverty.

class differences graphic The researchers focused on high schools, one of the few settings where people of all classes make friends at similar rates. (The New York Times)

For poor children, living in an area where people have more friendships that cut across class lines significantly increases how much they earn in adulthood, the new research found.

The study, published Monday in Nature, analyzed the Facebook friendships of 72 million people, amounting to 84% of US adults aged 25 to 44.

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Previously, it was clear that some neighbourhoods were much better than others at removing barriers to climbing the income ladder, but it wasn’t clear why. The new analysis — the biggest of its kind — found the degree to which the rich and poor were connected explained why a neighbourhood’s children did better later in life, more than any other factor.

The effect was profound. The study found that if poor children grew up in neighborhoods where 70% of their friends were wealthy — the typical rate for higher-income children — it would increase their future incomes by 20%, on average.

These cross-class friendships — what the researchers called economic connectedness — had a stronger impact than school quality, family structure, job availability or a community’s racial composition. The people you know, the study suggests, open up opportunities, and the growing class divide in the United States closes them off.

“Growing up in a community connected across class lines improves kids’ outcomes and gives them a better shot at rising out of poverty,” said Raj Chetty, an economist at Harvard University and the director of Opportunity Insights, which studies the roots of inequality and the contributors to economic mobility. He was one of the study’s four principal authors, with Johannes Stroebel and Theresa Kuchler of New York University and Matthew O Jackson of Stanford University and the Santa Fe Institute.

The findings show the limitations of many attempts to increase diversity — such as school busing, multifamily zoning and affirmative action. Bringing people together is not enough on its own to increase opportunity, the study suggests. Whether they form relationships matters just as much.

“People interested in creating economic connectedness should equally focus on getting people with different incomes to interact,” Stroebel said.

bowie “My mom really instilled working hard in us — being knowledgeable about our family history, you have to be better, you have to do better,” said Bowie, 24, who goes by Mari. (The New York Times)

Jimarielle Bowie grew up in a lower-middle-class family. Her parents divorced, lost jobs and lost homes. So when she made friends in high school with girls who lived on the rich side of town, their lifestyles intrigued her. Their houses were bigger; they ate different foods; and their parents — doctors, lawyers and pastors — had different goals and plans for their children, including applying for college.

“My mom really instilled working hard in us — being knowledgeable about our family history, you have to be better, you have to do better,” said Bowie, 24, who goes by Mari. “But I didn’t know anything about the SAT, and my friends’ parents signed up for this class, so I thought I should do that. I had friends’ parents look at my personal statements.”

Bowie became the first person in her family to get a postgraduate degree. She’s now a criminal defense lawyer — a job she found through a friend of one of those high school friends.

“My experience meeting people who were more affluent, I got to get in those circles, understand how those people think,” she said. “I absolutely think it made a significant difference.”

Social capital, the network of people’s relationships and how they are influenced by them, has long intrigued social scientists. The first known use of the phrase was in 1916, by LJ Hanifan, a school administrator in West Virginia. Since then, researchers have found that ties to more educated or affluent people, starting in childhood, can shape aspirations, college-going and career paths.

But the new study — using a significantly larger data set than other studies, covering 21 billion Facebook friendships — is the first to show that living in a place that fosters these connections causes better economic outcomes.

The researchers found the more connections between the rich and poor, the better the neighbourhood was at lifting children from poverty. After accounting for these connections, other characteristics that the researchers analysed — including the neighbourhood’s racial composition, poverty level and school quality — mattered less for upward mobility, or not at all.

“It’s a big deal because I think what we lack in America today, and what’s been dropping catastrophically over the last 50 years, is what I call ‘bridging social capital’ — informal ties that lead us to people who are unlike us,” said Robert Putnam, the political scientist at Harvard who wrote “Bowling Alone” and “Our Kids,” about the decline of social capital in the United States. “And it’s a really big deal because it provides a number of avenues or clues by which we might begin to move this country in a better direction.”

Other kinds of social capital matter, too, like rates of volunteering in a community and friendships with people from similar backgrounds. Yet the new study shows that even in places lacking in other kinds of social capital, an increase in cross-class relationships is enough to benefit children’s economic prospects. And it’s this kind of social capital that has decreased as the country has become more segregated by class. In recent decades, people have become more likely to live in neighbourhoods and attend schools with people of similar economic status — behavior that social scientists say is driven by anxiety about falling down the income ladder in an age of growing inequality.

The analysis did not directly measure the role of race, which was not provided in the Facebook data. (Although there are techniques researchers use to guess race, the authors of the new study did not use them.) But in more racially diverse places, the study found fewer cross-class relationships.

‘A Culture of Success’

The researchers focused on high schools, one of the few settings where people of all classes make friends at similar rates, and a place where people form lifelong friendships before they start making decisions that may determine their economic trajectories.

Angelo Rodriguez High School in Fairfield, California, which Bowie attended, had more cross-class friendships than the average large public high school.

Fairfield, midway between Sacramento and San Francisco, is an unusually diverse area, racially and economically, and three-quarters of Rodriguez High’s student body of around 2,000 are students of color. The school, which opened in 2001, had a catchment area shaped like a reverse C, drawing from neighbourhoods on the far sides of town — which is how Bowie ended up commuting to a wealthier area for school. It also allows some students outside the boundary to attend.

In general, larger and more diverse schools — both economically and racially — have a smaller share of cross-class connections. It can be harder to make friends in large groups, and there are more chances to form cliques with people from similar backgrounds. But Rodriguez High nurtured cross-class friendships in ways both planned and unintentional.

“Being at Rod, you become friends with everybody,” Bowie said. “Literally that’s what that school does.”

One thing that may have helped was the school’s campus layout, with a promenade around a central library, outdoor stage and quad. That was deliberate, said John Diffenderfer, president of Aedis Architects, which designed the campus: “Accidental unstructured interactions between students was a very high priority.”

Rodriguez High has a block schedule in which classes meet for two hours each, every other day. This creates small, diverse groups that spend a lot of time together. When large institutions do this, it helps foster cross-class friendships, the research found. Separating students based on academic achievement, through gifted or international baccalaureate programs, has the opposite effect.

Extracurricular activities and interest clubs also play a big role in bringing together students from different backgrounds, said Catie Coniconde, a Rodriguez school counselor who also graduated from the school, in 2006. Half the student body is enrolled in them.

“Kids get identified by their extracurriculars, more than race or socioeconomic status,” she said. “There’s the athletes, the band kids, the kids who are interested in anime.”

While pursuing shared extracurricular interests, the students begin to share aspirations, Coniconde said. Scoring well on the SAT and attending a four-year college are common goals at Rodriguez, she said. The students from the wealthier part of town usually arrive with those goals, while many students from lower-income families hadn’t considered them before.

“It just seemed like a culture of success,” she said. “The four-year push was huge at Rod, and it still is to this day.”

Methodology: The data covered 72.2 million active Facebook users ages 25 to 44, keeping them anonymous. Active users were defined as those who had logged on in the last month and had at least 100 friends. The researchers ran the analysis using all of people’s Facebook friends as well as only their 10 closest friends, and found very similar results. To verify that the data was representative of the overall US public in that age group, they compared their data set with census data. To verify that their estimates of socioeconomic status were correct, the researchers also used aggregated tax records and census data.

To calculate economic mobility for each ZIP code, researchers used anonymised tax data for people born from 1978 to 1983, which they had analysed in previous research.

Opportunity Insights, the research group at Harvard run by Raj Chetty, has received a $15 million grant from the Chan-Zuckerberg Initiative, run by Mark Zuckerberg and his wife, Priscilla Chan. Theresa Kuchler and Johannes Stroebel have had past research collaborations with Facebook; in 2018, they each received a $135,000 unrestricted research gift from Facebook to NYU Stern, unrelated to the present research. Employees of Meta, Facebook’s parent company, are listed as co-authors of the papers. The principal researchers said none of the funds from Meta or Facebook were used for this project, nor was Meta permitted to review or influence the findings, beyond ensuring data privacy. The research was funded by the Bill and Melinda Gates Foundation, the Overdeck Family Foundation, Harvard and the National Science Foundation.

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First published on: 02-08-2022 at 12:26:18 pm
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