Graduates from Racially Diverse Programs Earn More, New Research Finds
A groundbreaking study published today provides the first clear evidence that graduates of professional schools—such as law, business, and medical programs—earn significantly higher salaries when their student bodies are racially diverse. The research directly challenges the 2023 Supreme Court ruling that struck down race-based affirmative action, which argued universities had failed to quantify the benefits of diversity. Jump to background.
“We found a consistent, positive relationship between the racial diversity of a graduate's peer group and their subsequent earnings,” said lead author Debanjan Mitra, a professor at the University of Florida. “This suggests that diversity is not merely a social goal but a tangible economic asset.”
The Data Behind the Breakthrough
The team—including Peter Golder and Mariya Topchy—analyzed salary data from thousands of professional school alumni across multiple decades. They developed a new metric called the “Diversity Earnings Premium.” Learn what this means for policy.
“For every 10% increase in the racial diversity of a cohort, we observed an average salary boost of 3–5% over a graduate’s career,” Mitra explained. “This effect held even after controlling for school prestige, GPA, and field of study.”
The study’s findings stand in stark contrast to persistent racial wage gaps. Co-author Peter Golder noted: “Critics often argue that diversity programs may actually depress earnings due to discrimination. But our data shows the opposite—it’s a net positive.”
Background: The Affirmative Action Debate
The Supreme Court’s June 2023 decision in Students for Fair Admissions v. Harvard effectively ended race-conscious admissions. Chief Justice John Roberts wrote that universities had “failed to identify measurable endpoints” for diversity programs. This ruling has since faced intense debate.
Prior to the study, institutions struggled to prove that diversity improved learning outcomes or career prospects. “The court’s skepticism was rooted in a lack of concrete evidence,” said Mariya Topchy, a co-author. “We wanted to provide that evidence.”
What This Means for Policy and Hiring
Legal experts say the research could influence future court battles. “If the Supreme Court based its decision partly on the absence of measurable benefits, this paper fills that gap,” said constitutional scholar Jessica Levinson. “It shows that diversity yields real financial returns.”
For employers, the findings suggest that hiring from diverse programs may boost productivity. Companies like Google and McKinsey have already invested in diversity pipelines. “This isn’t about charity—it’s about talent,” Mitra emphasized. “Companies should actively recruit from diverse institutions.”
Critics, however, warn against conflating correlation with causation. “The study’s elasticity is modest, and unobserved factors—like personal drive—may explain the results,” said economist Raj Chetty, who was not involved in the research. But the authors counter that their models accounted for such variables.
Immediate Reactions: The American Council on Education called the study “compelling” but urged caution. The Trump administration’s focus on dismantling DEI programs may now face new scrutiny.
“The evidence is in: diversity pays,” Topchy concluded. “Policymakers and judges must reckon with that reality.”