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Immigrants are unsung heroes of global trade and value creation

Immigrants significantly enhance economic growth by driving innovation, improving trade value, and creating connections that strengthen global value chains in host nations.

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Bedassa Tadesse, University of Minnesota Duluth and Roger White, Whittier College

In nearly every country that hosts foreign-born citizens, immigration emerges as a lightning rod for controversy. The economic realities of immigration, however, are far more complex than the negative sound bites suggest.

Far from being a burden, as critics claim, immigrants play pivotal roles in driving innovation, enhancing productivity and fostering economic growth in their adopted countries. They also elevate their adopted and origin countries’ standings in global value chains, contributing to economic resilience.

We are economists who study global trade and migration, and our recent work reveals that immigrants contribute far more to the economic fabric of nations than previously understood.

By facilitating what’s known as “trade in value added,” or TiVA, immigrants play a crucial role in helping countries specialize their production, move up the value chain and significantly enhance trade sophistication.

Moving up the value chain means progressing from producing basic, low-value goods to more complex, higher-value products. This shift involves improving skills, technology and production techniques, allowing a country to capture more economic value and develop advanced industries.

So, what exactly is trade in value added, and why is it important?

In today’s global economy, products are rarely made entirely in one country. Instead, different stages of production occur across multiple nations. TiVA measures each country’s contribution to a final product, providing clearer insight into global value chains. For instance, while an iPhone may be assembled in China, its components come from various countries, each adding value.

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Measuring the effect on global value chains

Our study found that a 10% increase in immigrants from a particular country residing in one of the 38 Organization for Economic Cooperation and Development member states leads to a 2.08% increase in the value added from their home country that becomes embedded in their host country’s exports to the world.

This effect was strongest in the services sector, followed closely by agriculture and manufacturing.

To understand how this works, consider Indian software engineers in Silicon Valley. Their understanding of the U.S. tech industry and India’s IT sector can lead to partnerships. These partnerships lead to Indian firms providing specialized coding services for American tech giants. The result? Higher-value U.S. tech exports that incorporate Indian expertise. This perfectly illustrates how immigrants boost trade in value added.

Or take Chinese immigrants in Italy’s fashion industry. Their cultural knowledge might help Italian luxury brands tailor products for the Chinese market and connect Italian designers with highly skilled textile workers in China. The result? Italian fashion exports incorporate Chinese craftsmanship, elevating both countries’ global fashion value chain positions.

Our findings show that immigrants are pivotal bridges in global trade networks. They leverage their unique knowledge, skills and connections to strengthen economic bonds between nations. That’s in line with previous research showing the significant role immigrants play in fostering bilateral trade.

Why immigration matters in the global economy

In an era of increasing skepticism toward globalization and migration, understanding the positive economic impacts of immigration is crucial. Our current and previous research, and the findings from related studies, indicate that rather than “stealing jobs,” immigrants often create value and new economic opportunities that might not otherwise exist.

Immigrants bring diverse skills, knowledge and networks to their host countries that can enhance innovation, fill labor shortages and open new market opportunities. They often possess unique insights into their home country markets, helping host country firms navigate cultural nuances and business practices that might otherwise pose trade barriers. https://www.youtube.com/embed/RZKX-0SK41U?wmode=transparent&start=0

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For home countries, emigrants can serve as cultural ambassadors, creating awareness, showcasing products and services, and helping to integrate their homeland into global value chains. They may also contribute to knowledge transfer, investment flows and business connections that boost their home and host countries’ economic development.

Moreover, immigrants’ ability to enhance trade in value added suggests they play a role in moving countries up the economic value chain. Rather than simply facilitating trade in raw materials or essential manufactured goods, immigrants appear to boost trade in more sophisticated, higher-value products and services. This is crucial for economic development, as countries that position themselves higher in global value chains tend to see bigger benefits.

Rethinking immigration and trade policies

Our observations have important implications for both immigration and trade. For one, they suggest that restrictive immigration policies might have unintended consequences, hindering a country’s trade performance and position in global value chains. Countries that want to become more economically competitive might consider more open immigration policies.

What’s more, our research indicates that immigrants’ economic benefits extend beyond the often-cited labor-market and fiscal impacts – in other words, having more workers who pay more taxes.

The evidence suggests policymakers should take a more holistic view of immigration’s economic effects, considering its role in facilitating sophisticated international trade and value creation.

Our results also align with previous research highlighting the potential value of workforce diversity for businesses, particularly for firms engaged in international trade. Employees from diverse national backgrounds can bring valuable insights and connections that help their companies navigate global markets and value chains.

It’s worth noting that immigrants’ impact on trade in value added varies across countries and sectors. This suggests that rather than one-size-fits-all approaches, targeted policies might most effectively leverage immigration for economic benefit.

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Maximizing immigration’s positive impacts on trade and value chains also requires supportive policies and institutions that allow immigrants to use their skills and networks fully. These might include programs to assist with economic integration, language training, credential recognition and support for immigrant entrepreneurship.

A new perspective on immigration

As the global economy continues to evolve, with value chains becoming ever more complex and interconnected, the role of immigrants as facilitators of trade and value creation is likely to grow even more significant. Countries that recognize and leverage this potential stand to gain a competitive edge in the global marketplace.

Our research paints a picture of immigrants not as economic burdens but as valuable assets who enhance their host and home countries’ positions in the global economy. By making sophisticated trade linkages possible, and by boosting participation in global value chains, immigrants contribute to economic growth and development in ways that go far beyond conventional understanding.

As debates around immigration continue, it’s crucial to move beyond simplistic narratives and recognize the complex and often subtle ways that immigrants contribute to prosperity. In an interconnected world, immigrants aren’t just crossing borders – they are helping to weave the fabric of global trade and value creation.

Bedassa Tadesse, Professor of Economics, University of Minnesota Duluth and Roger White, Professor of Economics, Whittier College

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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The Bridge

The power of friendship: How a letter helped create an American bestseller about antisemitism

Laura Z. Hobson’s “Gentleman’s Agreement” explores antisemitism through reporter Phil Green’s experiences posing as Jewish, ultimately becoming a bestseller that sparked important conversations about prejudice in America.

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The novel about reporter Phil Green, which was soon made into a film, put prejudice and hypocrisy in the spotlight. John Springer Collection/Corbis via Getty Images

Rachel Gordan, University of Florida

Eighty years ago, the Jewish American novelist Laura Z. Hobson was contemplating her next writerly move and was seeking a little help from her friends.

Gentleman’s Agreement,” the story she was drafting, felt like a bold idea. Maybe too bold. In her vision for the novel, reporter Phil Green is assigned to write an article about antisemitism. He pretends to be Jewish so he can experience bigotry firsthand. Readers follow the character as he encounters the prejudice of supposedly good people and learns how to respond to the slights and jabs casually meted out even by Americans who consider themselves liberal.

It was 1944, three years after the United States joined World War II. What prompted Americans to finally fight, however, was the Japanese attack on Pearl Harbor, not Nazi persecution of Jews and other marginalized groups. Antisemitism in the U.S. remained rampant throughout the early and mid-1940s.

With so many fraught feelings about Jews, and about the war in which American soldiers were risking their lives, Hobson was unsure how a novel about domestic antisemitism would be received. She might have wondered if readers would dismiss the story as a Jewish writer’s “special pleading” on behalf of her own.

Should she move forward with the novel that was bubbling up inside of her? To find her way out of her writing quandary, Hobson did something she had never done before and would never do again in her four decades of writing more than a dozen books: She consulted several friends and colleagues, mailing them her proposal for the novel and a cover letter explaining her quandary.

She did not know it at the time, but Hobson was about to write her most important book – one that would help broaden conversation about prejudice by reaching many more readers than would ever hear a rabbi’s sermon or read a committee’s report on antisemitism.

A formally dressed woman with white hair poses, with her arms folded, in front of a marbled backdrop.
American novelist Laura Z. Hobson. Peter Jones/Corbis Historical via Getty Images

The right words

When the responses started to come in, it became clear that not all the feedback was of the helpful variety.

Lee Wright, Hobson’s editor at Simon & Schuster, seemed not to have fully grasped that writing fiction was a matter of placing oneself in the shoes of someone else. The editor advised Hobson that she was ill-suited to write from a gentile’s perspective because Hobson herself was Jewish. Further, Wright cautioned, Hobson should not attempt to write from a man’s perspective.

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Hobson’s publisher and friend, Richard Simon of Simon & Schuster, was also skeptical. He did not believe that novels were the way to fight antisemitism or bigotry. And then Simon did that worst thing an editor could do: He reminded Hobson that her last novel, “The Trespassers,” had been a commercial disappointment.

Hobson stewed over these replies, as evident from her autobiography and letters archived at Columbia University, which I found while researching my first book, “Postwar Stories: How Books Made Judaism American.” As Hobson later noted in her autobiography, her publisher’s less-than-enthusiastic reply sapped some of her confidence. She wasn’t entirely certain that she wanted to continue with her writing.

It was one of Hobson’s closest female friends, Louise Carroll Whedon, whose letter offered just the right words of encouragement. Known as Carroll to her friends, she was married to TV writer John Whedon – and the family’s writing success would continue with their grandson Joss Whedon, of “Buffy the Vampire Slayer” and “The Avengers” fame.

Familiar with the ups and downs of the writing life, as well as Hobson’s insecurities, Carroll replied with the enthusiasm that Hobson needed. “Let me say right away that I think the book ought to be written,” Whedon assured her, “and the sooner the better – not to highlight the plight of the Jew, but to examine the even more appalling plight of the non-Jew, and what the seeping poison of prejudice can mean to America.”

The Americans who really needed “Gentleman’s Agreement,” Whedon argued, weren’t the extreme antisemites, but the people hoping that “if you just pretend it isn’t there, maybe it will go away.” Otherwise, she warned, that willful ignorance and passivity could destroy the country – “at least the America that most people want to believe exists.”

Whedon did not deny the risks. But she wasn’t willing to watch her friend doubt her abilities – or her insights as a Jewish woman who had experienced antisemitism firsthand, and observed casual antisemitism from her non-Jewish friends. That Whedon was one of Hobson’s non-Jewish friends made her enthusiasm for a novel about antisemitism especially valuable to Hobson.

“It’s a controversial subject, Babe, and there’ll be arguments who should do it and when and how it should be done no matter what comes of it,” Whedon concluded. “For me, I think you’re in a singularly good spot to write it – in hot anger, sure – but in cold truth as well.”

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Whedon had brought Hobson back to herself. Now, it was time to write.

Instant success

In a few years, the book stuck in Hobson’s mind would become a sensation. First published as a series in Cosmopolitan magazine, “Gentleman’s Agreement” was then printed by Simon & Schuster in 1947. It became a bestseller and later an Academy Award-winning film starring Gregory Peck.

“Required reading for every thoughtful citizen in this parlous century” was how The New York Times described the novel. Because of Hobson’s readable style and romance, the novel received attention from a wide range of publications, from the Saturday Review of Literature to Seventeen magazine. From books like Hobson’s, Americans were learning “how we could be humane, as well as human, beings,” Times reviewer Charles Poore wrote in a December 1947 roundup of the year’s top books.

A movie poster with actors' names and the title 'Gentleman's Agreement'
Within a year of the novel’s publication, it was adapted into an award-winning film. Twentieth Century–Fox Film Corp via Wikimedia Commons

“Gentleman’s Agreement” was never perceived as “just” a Jewish novel – mostly because readers mistakenly assumed an author named Hobson was not Jewish. Even for critics, the book broadcast a new openness toward discussing antisemitism. It was a story full of teachable moments.

Hobson’s novel was part of a wave of 1940s fiction against antisemitism. Some of these novels were written by Jewish authors who were beginning to form the nucleus of postwar American literature, such as Saul Bellow and Arthur Miller. Others were by writers who made their mark during the 1940s, but whose names have faded over the decades, such as Gwethalyn Graham and Jo Sinclair. But Hobson’s was the most popular of its time.

If it weren’t for Whedon’s encouragement, though, “Gentleman’s Agreement” might never have been finished. If every friend of a writer said just the right thing – offering the needed encouragement or tough love – it would not feel like such profound treasure to spy a pearl of encouragement. But nobody gets all the encouragement they need, and writers are no exception.

Rachel Gordan, Assistant Professor of Religion and Jewish Studies, University of Florida

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Larry Krasner, Kensington, the scrapped Sixers arena − and other key concerns that will shape Philly politics in 2025

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Philadelphia’s City Council approved the proposed Sixers arena on the last day of its 2024 legislative session. AP Photo/Matt Slocum

Richardson Dilworth, Drexel University

Campus protests. Homeless encampment clearings. Significant decreases in shootings, homicides and overdose deaths. Protests to “Save Chinatown.” A mass shooting at a SEPTA bus stop. Illegal car meetups. City workers called back to the office. A SEPTA strike averted.

These were just some of the headlines that dominated Philadelphia politics in 2024.

So, what does 2025 hold for the city?

I’m a politics professor at Drexel University and in 2023 I published a short book, “Reforming Philadelphia, 1682-2022,” that traced the city’s political development with an eye toward the future of its policy and politics.

Here are six key storylines that will shape Philly’s political landscape in 2025.

1. Partisan shifts

Philadelphia enters 2025 notably more politically diverse than five years ago.

Partisanship in Philadelphia is not so much captured by a Democratic-Republican split as it is by what local journalist Larry Platt once called “reformer vs. progressive,” referring to the division between more conservative Democrats on the one hand and more liberal Democrats and progressive third parties on the other.

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Progressive candidates have had minor surges in recent years. Seven of the 17 members of the Philadelphia City Council are elected at large, but no party is allowed to nominate more than five members to run for these seats in the general election. This has meant that, as long as anyone can remember, there have been five Democratic and two Republican at-large council members.

Then, in 2019, Working Families Party candidate Kendra Brooks won one of the two at-large seats previously held by Republicans. One year later, two Democratic Socialists who ran as Democrats, Nikil Saval and Rick Krajewski, were elected to the state Senate and state House, respectively. And in 2023 another Working Families Party member, Nicolas O’Rourke, won the second at-large City Council seat reserved for minor parties, thereby completely replacing Republicans in those positions.

At the same time, the mayor elected in 2023, Cherelle Parker, is a reasonably conservative Democrat – at least in the sense that her focus has not been on social justice issues but rather the classic municipal issues of cleanliness and public safety.

And the 2024 elections saw the GOP vote go up in Philadelphia, as it did almost everywhere in the country. Republicans captured a state Senate seat in the city for the first time in two decades.

The most recent surge favoring Republicans would ostensibly threaten the two at-large Working Families Party members of the City Council, who are most vulnerable to electoral challenges that would bring back at-large Republicans. However, they’re safe until 2027, by which time another Democratic surge in Philadelphia is likely, as many voters will have most likely soured on the Trump administration by that time.

Woman holds microphone while speaking at a podium in front of an ice cream truck
Kendra Brooks of the Working Families Party was elected to the Philadelphia City Council in 2019. Lisa Lake/Getty Images for MoveOn

2. Will Krasner stay or go?

In 2025, the most high-profile city election will be for district attorney, and that does seem potentially ripe for change.

The incumbent is Larry Krasner, first elected in 2017 as part of the post-Trump progressive wave. He won again decisively in 2021, against a challenger in the Democratic primary whose main support was from the Fraternal Order of Police.

Yet as Parker’s election as mayor – and Trump’s as president – suggests, Krasner may face an electorate ready for a more law-and-order message in May 2025. The DA’s office in Philadelphia has historically been a bastion for conservative Democrats and even Republicans. Krasner may face more significant challengers this time around, especially in the primary.

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Light shines on white man with grey hair walking with group of men in suits down a corridor while cameras film them
Philadelphia DA Larry Krasner is up for reelection in 2025. Kriston Jae Bethel/AFP via Getty Images

3. Kensington at a crossroads

Parker has benefited from the sharp decline in crime and violence after its pandemic-driven spike. But she has also increased the police budget to provide for hiring 400 new officers; hired a police commissioner from within, Kevin Bethel, who previously received praise for his work on diversion and juvenile justice; and focused on quality-of-life issues such as cracking down on ATV gangs.

Parker has also focused in particular on the Kensington neighborhood and its notorious open-air drug markets. This is important, not least because Kensington has been a large contributor to the city’s unfortunate status of being a leader in drug overdose deaths.

The drug trade was also holding down development and property values – and therefore property tax revenues – in a neighborhood on the path of gentrification. From my perspective, cleaning up Kensington promises to be some of the best return on investment in the city.

Seven police officers stand behind barrier gate under elevated train track
Police lock down part of Kensington Avenue during the clearing of a homeless encampment in May 2024. Spencer Platt/Getty Images

4. Parker vs. Trump administration

Of course, another new thing that the city will have to grapple with in 2025 is the incoming Trump administration.

The previous Trump administration got into a fight with then-Mayor Jim Kenney in 2016 over the city’s sanctuary policy with respect to federal immigration enforcement. Basically, the Kenney administration won and got back federal grant money that had been withheld.

Parker may be in a tough spot if she plans to maintain some sort of sanctuary status for the city. The Trump administration – no friend of Philadelphia under the best of circumstances – will likely face less resistance and some acquiescence, as we’re seeing in Chicago, where some aldermen have suggested getting rid of that city’s sanctuary status.

The incoming president has also signaled repeatedly his willingness to use the military for mass deportations, thereby sidestepping necessary cooperation from local law enforcement. This is a critical issue because immigration is a key economic asset for Philadelphia. As the Pew Charitable Trusts have found, immigrants in Philadelphia tend to be younger, more likely to participate in the workforce, and more likely to start a business than native Philadelphians.

Woman in red sweater speaks at podium
Philadelphia Mayor Cherelle Parker speaks ahead of a campaign rally for Democratic presidential candidate Kamala Harris in Philly in November 2024. Matthew Hatcher/AFP via Getty Images

5. Market East in limbo

And then there was the proposed downtown 76ers arena, approved by the City Council in a 12-5 vote in December 2024 and then entirely scrapped in early January 2025. Was this entire project simply some sort of bargaining chip used by Sixers owners and management to get a better deal in South Philadelphia from Comcast Spectacor, the owner of the teams’ current home at the Wells Fargo Center?

Whatever the case, the entire project no doubt leaves a bad taste in the mouths of the Chinatown businesses and other interest groups who opposed the new stadium and felt sold out by the mayor and City Council. But with the next City Council and mayoral elections not happening until 2027, it seems likely that the entire thing will be forgotten by the time any elected official might be punished at the polls.

The fall of the downtown stadium deal throws open the future of the Market Street East corridor. The proposed arena was part of a reimagining of the Fashion District, a redevelopment project by the Pennsylvania Real Estate Investment Trust that opened in 2019. The pandemic and higher interest rates led to store closures and financial problems, and PREIT has since filed twice for bankruptcy. Add to that the fact that Macy’s, an anchor tenant on the corridor, announced it is closing its store in the historic Wanamaker Building next to City Hall.

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Market East – essentially the front door of the city – doesn’t look so good for the 2026 celebrations planned as part of the 250th anniversary of the founding of the country. Indeed, the Constitution was drafted at Independence Hall, which is part of the Market East corridor. The chances that things will look much better in 2025 seem pretty dim, although there are plans to convert the space to apartments and smaller stores.

Other major infrastructure projects will likely work in the mayor’s favor, most notably a new park covering part of I-95 that will reconnect the Delaware riverfront to the Society Hill and Old City neighborhoods. This is set to be completed during Parker’s first term.

Large development under construction on urban corridor
Philadelphia is in the midst of a building boom, but affordable housing remains a concern for many residents. Jeff Fusco for The Conversation U.S., CC BY-NC-SA

6. Inflation and housing

And finally, one of the bigger issues in the last presidential election was the housing affordability crisis. This crisis is slightly muted in Philadelphia compared with some other major cities, but it is real nonetheless.

Yet the city has to a certain extent inadvertently lucked out. As 2021 was the last year that developers could take full advantage of the city’s 10-year tax abatement for new construction, a record number of building permits were granted that year.

In 2022, the number of building permits plummeted to 2013 levels. Nevertheless, the permits from 2021 have led to a building boom, especially in residential construction, which may be keeping housing prices lower than they would otherwise be. We can expect this trend to continue into 2025, even if the volume of new permits drops even more.

Richardson Dilworth, Professor of Politics, Drexel University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Race Relations

Mass deportations don’t keep out ‘bad genes’ − they use scientific racism to justify biased immigration policies

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Anti-immigration policies were a key talking point for Republican candidates. Matt Rourke/AP Photo

Shoumita Dasgupta, Boston University

Threats of mass deportations loom on the post-2024 election horizon. Some supporters claim these will protect the country from immigrants who bring “bad genes” into America. But this is a misguided use of the language of science to give a sheen of legitimacy to unscientific claims.

Politicians invoke genetics to confirm false stereotypes that immigrants are more violent than native-born citizens as a result of biological differences. This is despite the fact that immigrants living in the country with or without legal authorization have significantly lower crime and violent crime rates than U.S. citizens. Moreover, there is no strong genetic evidence to support a biological predisposition for committing violent acts.

As a geneticist and a child of immigrants, I study the intersection of biology and bias. I am also author of the book “Where Biology Ends and Bias Begins: Lessons on Belonging from Our DNA.” What is clear from my professional work is that this line of thinking – attempting to use science to explain human difference in ways that reinforce social hierarchies – isn’t new. It takes the playbooks of genetic essentialism and scientific racism and applies them to public policy.

The fallacy of genetic essentialism

Genetic essentialism is the concept that genes alone are the reason why someone develops a specific trait or behaves a certain way. For instance, a genetic essentialist would say that a person’s athleticism, intelligence, personality and a range of other traits are encoded entirely in their DNA. They ignore the influence that sports training, material resources and learned behaviors have on these traits.

When used to explain differences between populations, genetic essentialism discounts the role that structural biases – inequities deeply ingrained in how systems operate – play in individual differences. Structural biases create a playing field that advantages one group over another from the start.

For instance, studies seeking to identify a gene for violent behavior may use measurements that are themselves biased. If arrest or incarceration rates were used as evidence of violence, study findings would be affected by discriminatory practices in the policing and criminal justice systems that more harshly penalize people of color.

Studies trying to disentangle the relative effects of genetic and structural factors on specific traits also face similar biases. For example, mental health outcomes are influenced by the identity-related stress that racial or sex and gender minorities experience. Similarly, socioeconomic outcomes are affected by the effects of redlining and segregation on generational wealth.

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Genetics of educational attainment

As another example of behavioral genetics, consider a 2018 study on the genetics of educational attainment – in other words, whether certain genes were associated with years of schooling completed. The researchers were careful to communicate their results as pertaining specifically to educational attainment. They highlighted that genetic scores explained only about 11% to 13% of the variance – meaning, 87% to 89% of differences in educational attainment were due to influences other than genetics.

However, some popular press coverage oversimplified their findings as identifying genes for intelligence, even though the scientists did not directly measure intelligence – nor is it possible to.

Teacher reading a book to a group of children
The effects of racial segregation in schools continues to be reflected in educational attainment gaps. Wilfredo Lee/AP Photo

Educational attainment can reflect everything from generational wealth to racial biases in education. A student with access to tutors their parents paid for has fewer educational obstacles than a student who has to work after school to make ends meet. Likewise, school punishment practices that are biased against students from certain backgrounds can set them on a harmful trajectory known as the school-to-prison pipeline.

Genetic studies are not conducted in a vacuum, and social influences can confound analyses seeking to focus on biological effects. In fact, some scientists think of genes as potential controls to allow more careful study of the nongenetic factors accounting for the remaining 87% to 89% of differences in educational attainment.

Intentional misinterpretation of these observations on educational attainment have led some to conclude that Black students are simply not as intelligent as their white counterparts. They argue that these differences are genetically encoded and immutable. However, when the effects of wealth gaps and school segregation are accounted for, test score gaps substantially narrow. Importantly, educational attainment gaps actually invert, predicting that Black students complete more years of school than white students.

Slipping to scientific racism

This brings us to scientific racism: the way in which science is contorted to support preexisting views about the superiority of the white race over all others.

American physician Samuel Morton was one of the original forebears of scientific racism. He was interested in providing “evidence” to support his belief that Caucasians were the most intelligent of all races. To do this, he collected skulls and categorized them into five racial groupings he believed were derived from separate creation events. He measured skull volume as an indicator of intelligence.

Illustration depicting four different skulls
Samuel Morton and his colleagues used average skull volume to support their theory of white supremacy. Morton et al/U.S. National Library of Medicine via Internet Archive

When comparing the averages from each group, his results supported his original theory. However, if he had instead focused on the array of skull volumes in his collection, he would have seen substantial overlap in each of the groupings. That is, each group had a range of small to large skulls. Morton’s singular focus on proving his beliefs from the outset likely influenced his favored analytical approach. Nor is there a meaningful correlation between brain volume and intelligence.

Similar beliefs are at play when white supremacists manipulate data to create a scientific basis for their claims that white people are more intelligent than Black people. These tampered results appear in dark corners of the internet where they are shared in fringe journals, far-right social media memes and racist manifestos.

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To be clear, there is no evidence that genetic differences related to intelligence or cognitive performance exist between racial groups. Instead, this is another argument growing out of replacement theory, the conspiracy theory that Jews and Western elites are deliberately replacing white populations with populations of color. Adherents believe that people of color are genetically inferior but are reproducing and immigrating at greater rates, and so threatening white power.

Human genetic variation

Scientists have systematically studied human genetic variation for decades, looking at differences in the DNA of people around the world. These studies definitively demonstrate that we are far more alike than different. The vast majority of common genetic variation is found across populations, and very few rare variants are specific to an individual group.

This may seem unexpected. Looking at the world around you, you’ll observe some differences between racially defined groups, such as skin tone and hair texture. However, there is no place in the world where you’ll be able to draw a line that cleanly separates people with dark skin tone from those with light skin tone. Skin color varies continuously across the globe, and a range of skin tones are present within any individual group.

Importantly, variation in one genetic trait is not predictive of other genetic traits. That is, you can’t extrapolate conclusions about traits such as disease predisposition from the genes that influence skin color. Even if the fallacy of genetic essentialism were true and cognitive ability was primarily a biological trait – which it is not – it would not be possible to connect an observed skin tone to predicted intelligence. https://www.youtube.com/embed/wK94PWbCmsk?wmode=transparent&start=0 President-elect Donald Trump pledged to use the military to carry out mass deportations.

Misappropriating genetics

While science does not support genetic essentialism or other underpinnings of replacement theory, this exact rationale has made its way into national immigration policy.

These policies grew directly out of the American eugenics movement, which sought to build a supposedly better human race through social engineering based on “race science.” Zoologist Charles Davenport created the Cold Spring Harbor Eugenics Record Office in 1910 to pursue his interests in evolution, breeding and human heredity. There, he and his colleagues collected records of American families, documenting their traits and ascribing genetic bases to them.

Harry Laughlin, a high school teacher Davenport recruited to serve as superintendent of the office, was later appointed as the expert eugenics agent for the U.S. congressional Committee on Immigration and Naturalization. He commissioned studies to document race-based trends in so-called biological traits such as intelligence, inventiveness and feeble-mindedness, erroneously concluding that observed patterns were due to genetic differences between populations. His findings were used to inform U.S. immigration quotas, which were set higher for populations deemed to have good genes and lower for those with undesirable traits.

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These policies were codified in the Immigration Restriction Act of 1924. In signing the act, President Calvin Coolidge declared, “America must remain American,” paraphrasing a popular Ku Klux Klan slogan. This law severely restricted immigration from Asia and implemented strict quotas for immigrants from Southern and Eastern Europe. It also established elements of immigration that remain in 2025, including the visa system and the Border Patrol. With the passage of the Immigration Restriction Act, anti-Semitism and xenophobia became law of the land.

Coming full circle, genetic essentialism and racism continue to drive present-day rhetoric using “bad genes” to justify mass deportations of people deemed harmful to American society. Politicians and tech moguls are employing a combination of racism, willful misunderstanding of genetic science and political power to promote their own social agendas.

Person gazing at makeshift memorial at the foot of a tree, police cars in the background, and nonviolence signs in the foreground
Ten people were killed in the 2022 Buffalo shooting. Kent Nishimura/Los Angeles Times via Getty Images

Politicians and hate groups have often weaponized genetics, leading to violent events carried out in the name of white supremacy. These include the 2017 Charlottesville Unite the Right rally, the 2019 Christchurch shootings of Muslims at two mosques, and the 2022 Buffalo massacre of Black customers at a neighborhood grocery store.

A better understanding of science and history can empower scientists, policymakers and others to reject unscientific claims and protect vulnerable members of society targeted by racism.

Shoumita Dasgupta, Professor of Medicine, Assistant Dean of Diversity & Inclusion, Boston University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Big Dill Pickleball Co. Serving Up Fun!

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