Publications

Article

Physician–patient Racial Concordance and Disparities in Birthing Mortality for Newborns

By: Brad N. Greenwood, Rachel R. Hardeman, Laura Huang and Aaron Sojourner

Recent work has emphasized the benefits of patient–physician concordance on clinical care outcomes for underrepresented minorities, arguing it can ameliorate outgroup biases, boost communication, and increase trust. We explore concordance in a setting where racial... View Details

Keywords: Racial Bias; Birthing Outcomes; Concordance; Mortality; Health Care and Treatment; Race

2021
Working Paper

Racial Disparities in the Paycheck Protection Program

By: Sergey Chernenko and David S. Scharfstein

Using a large sample of Florida restaurants, we document significant racial disparities in borrowing through the Paycheck Protection Program (PPP) and investigate the causes of these disparities. Black-owned restaurants are 25% less likely to receive PPP loans.... View Details

Keywords: Discrimination; Paycheck Protection Program; Economic Injury Disaster Loans; Bank Lending; Nonbank Lending; Banks and Banking; Financing and Loans; Prejudice and Bias; Race

Using a large sample of Florida restaurants, we document significant racial disparities in borrowing through the Paycheck Protection Program (PPP) and investigate the causes of these disparities. Black-owned restaurants are 25% less likely to receive PPP loans.... View Details

October 2024
Article

Racial Disparities in the Paycheck Protection Program

By: Sergey Chernenko and David Scharfstein

Using a large sample of Florida restaurants, we document significant racial disparities in borrowing through the Paycheck Protection Program (PPP) and investigate the causes of these disparities. Black-owned restaurants are 25% less likely to receive PPP loans.... View Details

Keywords: Discrimination; Paycheck Protection Program; Economic Injury Disaster Loans; Bank Lending; Nonbank Lending; Banks and Banking; Financing and Loans; Prejudice and Bias; Race

2023
Working Paper

The Limits of Algorithmic Measures of Race in Studies of Outcome Disparities

By: David S. Scharfstein and Sergey Chernenko

We show that the use of algorithms to predict race has significant limitations in measuring and understanding the sources of racial disparities in finance, economics, and other contexts. First, we derive theoretically the direction and magnitude of measurement bias in... View Details

Keywords: Racial Disparity; Paycheck Protection Program; Measurement Error; AI and Machine Learning; Race; Measurement and Metrics; Equality and Inequality; Prejudice and Bias; Forecasting and Prediction; Outcome or Result

2020
Working Paper

Hospital Allocation and Racial Disparities in Health Care

By: Amitabh Chandra, Pragya Kakani and Adam Sacarny

We develop a simple framework to measure the role of hospital allocation in racial disparities in health care and use it to study Black and white Medicare patients who are treated for heart attacks—a condition where virtually everyone receives care, hospital care is... View Details

Keywords: Health Care and Treatment; Equality and Inequality; Race; Analysis

04 Jan 2021
Working Paper Summaries

Hospital Allocation and Racial Disparities in Health Care

Keywords: by Amitabh Chandra, Pragya Kakani, and Adam Sacarny; Health

2023
Working Paper

Applications or Approvals: What Drives Racial Disparities in the Paycheck Protection Program?

By: Sergey Chernenko, Nathan Kaplan, Asani Sarkar and David S. Scharfstein

We use the 2020 Small Business Credit Survey to study the sources of racial disparities in use of the Paycheck Protection Program (PPP). Black-owned firms are 8.9 percentage points less likely than observably similar white-owned firms to receive PPP loans. About 55% of... View Details

Keywords: Borrowing and Debt; Small Business; Race; Financing and Loans

We use the 2020 Small Business Credit Survey to study the sources of racial disparities in use of the Paycheck Protection Program (PPP). Black-owned firms are 8.9 percentage points less likely to receive PPP loans than observably similar white-owned firms. About... View Details

28 Jun 2020
News

The Disparate Racial Impact of Requiring a College Degree

September–October 2021
Article

Frontiers: Can an AI Algorithm Mitigate Racial Economic Inequality? An Analysis in the Context of Airbnb

By: Shunyuan Zhang, Nitin Mehta, Param Singh and Kannan Srinivasan

We study the effect of Airbnb’s smart-pricing algorithm on the racial disparity in the daily revenue earned by Airbnb hosts. Our empirical strategy exploits Airbnb’s introduction of the algorithm and its voluntary adoption by hosts as a quasi-natural experiment. Among... View Details

Keywords: Smart Pricing; Pricing Algorithm; Machine Bias; Discrimination; Racial Disparity; Social Inequality; Airbnb Revenue; Revenue; Race; Equality and Inequality; Prejudice and Bias; Price; Mathematical Methods; Accommodations Industry

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2020
Working Paper

The Cost of Banking Deserts: Racial Disparities in Access to PPP Lenders and their Equilibrium Implications

By: Jeffrey Wang and David Hao Zhang

Many government support programs for small businesses are designed to pass through banks and credit unions. However, this poses barriers for minority communities that are less connected to financial institutions for obtaining this support. Using the latest program for... View Details

Keywords: Banking Deserts; Minority Communities; Paycheck Protection Program; Banks and Banking; Small Business; Demographics; Race; Government and Politics; Programs

April 2023
Article

Racial Inequality in Work Environments

By: Letian Zhang

This article explores racial stratification in work environments. Inequality scholars have long identified racial disparities in wage and occupational attainment, but workers’ careers and well-being are also shaped by elements of their work environment, including firm... View Details

Keywords: Discrimination; Race; Equality and Inequality; Working Conditions; Personal Development and Career; Organizational Culture

July 3, 2025
Article

A New Framework for Reducing Healthcare Disparities

By: Susanna Gallani, Mary Lynch Witkowski, Lidia M. V. R. Moura and Katie Sonnefeldt

Despite decades of initiatives to address healthcare inequities in the U.S., disparities across race, gender, geography, and income remain stubbornly persistent. This article introduces the Strategic Fingerprint Framework for Health Equity, a practical, principle-based... View Details

Keywords: Equality and Inequality; Demographics; Outcome or Result; Health Care and Treatment; Framework; Health Industry

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February 2024
Article

Representation and Extrapolation: Evidence from Clinical Trials

By: Marcella Alsan, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein and Heidi L. Williams

This article examines the consequences and causes of low enrollment of Black patients in clinical trials. We develop a simple model of similarity-based extrapolation that predicts that evidence is more relevant for decision-making by physicians and patients when it... View Details

Keywords: Representation; Racial Disparity; Health Testing and Trials; Race; Equality and Inequality; Innovation and Invention; Pharmaceutical Industry

June 2021
Supplement

Linda Oubré at Whittier College (B)

By: Debora L. Spar and Haley P. Brown

The case follows President Linda Oubré (HBS MBA Class of 1984) as she seeks to move Whittier College towards a more diverse, equitable, and inclusive campus.
In 2020, the student body of Whittier, a private liberal arts college in Los Angeles County, California,... View Details

Keywords: Women And Leadership; Racial Disparity; Higher Education; Education; Diversity; Race; Change Management; Gender; Los Angeles; California; United States

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June 2021
Supplement

Linda Oubré at Whittier College (C)

By: Debora L. Spar and Haley P. Brown

The case follows President Linda Oubré (HBS MBA Class of 1984) as she seeks to move Whittier College towards a more diverse, equitable, and inclusive campus.
In 2020, the student body of Whittier, a private liberal arts college in Los Angeles County, California,... View Details

Keywords: Women And Leadership; Racial Disparity; Higher Education; Education; Diversity; Race; Change Management; Gender; Los Angeles; California; United States