Publications

2018
Flash Talks

What's Race Got to Do with It? The Interactive Effects of Race and Gender on Negotiation Outcomes

January 23, 2023
Article

Digital Public Health Interventions at Scale: The Impact of Social Media Advertising on Beliefs and Outcomes Related to COVID Vaccines

By: Susan Athey, Kristen Grabarz, Michael Luca and Nils Wernerfelt

Public health organizations increasingly use social media advertising campaigns in pursuit of public health goals. In this paper, we evaluate the impact of about $40 million of social media advertisements that were run and experimentally tested on Facebook and... View Details

Keywords: COVID-19 Pandemic; Public Health; Vaccines; Social Media; Advertising; Power and Influence; Health Care and Treatment

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

1999
Working Paper

It's Not the Seed, It's the Soil: Social Psychological Influences on Outcomes of Organizational Change Programs

By: Amy C. Edmondson and Anita Williams Woolley

01 Feb 2017
News

Does “Liking” Lead to Loving? The Impact of Joining a Brand’s Social Network on Marketing Outcomes

2019
Article

Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading

By: Iavor I Bojinov and Neil Shephard

We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact randomization based p-values for testing causal... View Details

Keywords: Causality; Nonparametric; Potential Outcomes; Trading Costs; Mathematical Methods

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October 2016
Case

U.S. Presidential Campaign 2016: Marketing Communication Strategy

By: Robert J. Dolan

On October 18, 2016, Democratic nominee Hillary Clinton and Republican nominee Donald Trump began the last three weeks of the 2016 presidential campaign by preparing for the next day's third and final presidential debate. Tuesday, November 8 was Election Day, but in... View Details

Keywords: Election Outcomes; Voting Behavior; Voting; Marketing Communications; Political Elections; United States

Educators

July 2022
Article

The Passionate Pygmalion Effect: Passionate Employees Attain Better Outcomes in Part Because of More Preferential Treatment by Others

By: Ke Wang, Erica R. Bailey and Jon M. Jachimowicz

Employees are increasingly exhorted to “pursue their passion” at work. Inherent in this call is the belief that passion will produce higher performance because it promotes intrapersonal processes that propel employees forward. Here, we suggest that the pervasiveness of... View Details

Keywords: Passion; Self-fufilling Prophecy; Lay Beliefs; Interpersonal Processes; Employees; Performance; Attitudes; Organizational Culture; Social Psychology

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2021
Other Unpublished Work

Computer-Implemented Methods and Systems for Measuring, Estimating, and Managing Economic Outcomes and Technical Debt in Software Systems and Projects: US Patent 11,126,427 B2

By: Daniel J. Sturtevant, Carliss Baldwin, Alan MacCormack, Sunny Ahn and Sean Gilliland

An interrelated set of tools and methods is disclosed for: (1) measuring the relationship between software source code attributes (such as code quality, design quality, test quality, and complexity metrics) and software economics outcome metrics (such as... View Details

Keywords: Technical Debt; Applications and Software; Economics; Measurement and Metrics; Patents

Article

Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes

By: Leslie K. John, Oliver Emrich, Sunil Gupta and Michael I. Norton

Does “liking” a brand on Facebook cause a person to view it more favorably? Or is “liking” simply a symptom of being fond of a brand? We disentangle these possibilities and find evidence for the latter: brand attitudes and purchasing are predicted by consumers’... View Details

Keywords: Brands; Marketing Effectiveness; Brand Evaluation; Peer Influence; Brands and Branding; Social and Collaborative Networks; Social Media

March 2014 (Revised September 2014)
Supplement

Cancer Treatment Centers of America® (B)

By: Regina E. Herzlinger and Natalie Kindred

This case, a follow-up to Cancer Treatment Centers of America (A), HBS No. 313-012, begins with the debate over New Hampshire's certificate-of-need (CON) law, which restricts hospital expansion. This debate ignited significant public criticism of Cancer Treatment... View Details

Keywords: Cancer; Cancer Treatment; Accountability; Outcomes; Outcomes Reporting; Outcomes Measurement; Survival; For-profit Hospitals; Health Care; Healthcare; Hospital; Certificate Of Need; Health Care and Treatment; Outcome or Result; Corporate Accountability; Policy; Health Industry; United States

Purchase

July 2019
Article

Evaluation of Economic and Clinical Outcomes Under Centers for Medicare & Medicaid Services Mandatory Bundled Payments for Joint Replacements

By: Derek A. Haas, Xiaoran Zhang, Robert S. Kaplan and Zirui Song

In 2016, the Centers for Medicare & Medicaid Services (CMS) launched its first mandatory bundled payment program, the Comprehensive Care for Joint Replacement (CJR) model, by randomizing metropolitan statistical areas (MSAs) into the payment model. The paper analyzed... View Details

Keywords: Medicare; Medicaid; Bundled Payments; Health Care and Treatment; Cost Management; Performance Evaluation; Outcome or Result

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December 1998
Article

Being Different Yet Feeling Similar: The Influence of Demographic Composition and Organizational Culture on Work Processes and Outcomes

By: J. Chatman, J. Polzer, S. Barsade and M. Neale

Keywords: Demographics; Organizational Culture; Outcome or Result

Web

The Power of Relationships: Leveraging Mentoring for Greater Educational Outcomes | Social Enterprise | Harvard Business School

2021
Working Paper

Population Interference in Panel Experiments

By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse

The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details

Keywords: Finite Population; Potential Outcomes; Dynamic Causal Effects; Mathematical Methods

SSRN

2022
Working Paper

Electoral Turnovers

By: Benjamin Marx, Vincent Pons and Vincent Rollet

In most national elections, voters face a key choice between continuity and change. Electoral turnovers occur when the incumbent candidate or party fails to win reelection. To understand how turnovers affect national outcomes, we study the universe of presidential and... View Details

Keywords: Election Outcomes; Regression Discontinuity Design; Political Elections; Change; Global Range; Outcome or Result; Economy; Governance; Performance Improvement

May 2014
Case

Health Care Accountability: Examples in Cancer Treatment

By: Regina E. Herzlinger and Natalie Kindred

This case is designed to support a discussion of the importance of outcomes evidence in empowering the public to make better health care decisions, the desired level of transparency and accountability for health care providers, and the issues with current measuring and... View Details

Keywords: Accountability; Health Care; Cancer; Cancer Treatment; Memorial Sloan Kettering Cancer Center; Cancer Treatment Centers Of America; Vantage Oncology; Radiology; Risk Adjustment; Treatment Outcomes; Health Care Outcomes; Prostate Cancer; Transparency; Health Care and Treatment; Risk Management; Outcome or Result; Health Industry; United States

Educators

Testimony of Alnoor Ebrahim, Associate Professor, Harvard University before the Committee on Financial Services, U.S. House of Representatives, September 10, 2009, Washington, D.C.

Video of the hearing can be seen View Details

August 2015 (Revised August 2015)
Case

Hoag Orthopedic Institute

By: Robert S. Kaplan and Jonathan Warsh

Two groups of orthopedic surgeons form a joint venture with a community hospital to establish Hoag Orthopedic Institute, a for-profit hospital and two ambulatory service centers. By controlling and integrating all aspects of the patients' medical treatment, the... View Details

Keywords: Outcomes Measurement; Bundled Payment; Health Care; Activity-based Costing And Management; Measurement and Metrics; Activity Based Costing and Management; Competitive Strategy; Medical Specialties; Health Care and Treatment; Outcome or Result; Health Industry