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- All HBS Web (707)
- Faculty Publications (226)
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- All HBS Web (707)
- Faculty Publications (226)
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- September 1998 (Revised June 1999)
- Case
Discovery Health (A)
A South African health insurance company undertakes a redesign of its prescription drug coverage policy in light of its experiences with Prozac. View Details
Keywords: Motivation and Incentives; Service Delivery; Insurance; Health Care and Treatment; Insurance Industry; South Africa
Chun, Samuel S., and Shaun Matisson. "Discovery Health (A)." Harvard Business School Case 599-046, September 1998. (Revised June 1999.)
- Article
Motivated Inferences of Price and Quality in Healthcare Decisions
By: Emily Prinsloo, Kate Barasz and Peter A. Ubel
Policy makers have increasingly advocated for healthcare price transparency, whereby prices are made salient before services are rendered. While such policies may empower consumers, they also bring price to the forefront of healthcare choices as never before, with yet... View Details
Keywords: Healthcare; Price Transparency; Health Care and Treatment; Price; Quality; Perception; Consumer Behavior; Decisions; Insurance
Prinsloo, Emily, Kate Barasz, and Peter A. Ubel. "Motivated Inferences of Price and Quality in Healthcare Decisions." Special Issue on Healthcare and Medical Decision Making edited by Dipankar Chakravarti, Jian Ni, Meng Zhu. Journal of the Association for Consumer Research 7, no. 2 (April 2022): 186–197.
- December 2024
- Article
Proxy Advisory Firms and Corporate Shareholder Engagement
By: Aiyesha Dey, Austin Starkweather and Joshua White
We study how Institutional Shareholder Services (ISS) affect firms’ engagement with shareholders. Our analyses exploit a quasi-natural experiment using say-on-pay voting outcomes near a threshold that triggers ISS to review engagement activities. Firms receiving ISS... View Details
Dey, Aiyesha, Austin Starkweather, and Joshua White. "Proxy Advisory Firms and Corporate Shareholder Engagement." Review of Financial Studies 37, no. 12 (December 2024): 3877–3931.
- February 2023
- Article
A Different Framework to Achieve Universal Coverage in the U.S.
By: Katherine Baicker, Amitabh Chandra and Mark Shepard
This JAMA Forum discusses alternative ways to achieve universal coverage in the US such as administrative simplification in the Affordable Care Act plans to increase enrollment, having a basic policy that would be available to everyone, and options for supplemental... View Details
Baicker, Katherine, Amitabh Chandra, and Mark Shepard. "A Different Framework to Achieve Universal Coverage in the U.S." e230187. JAMA Health Forum 4, no. 2 (February 2023).
- November 2013 (Revised November 2014)
- Case
Infection Control at Massachusetts General Hospital
By: Robert S. Huckman and Nikolaos Trichakis
The case explores the challenges facing Massachusetts General Hospital concerning the adoption of a new infection control policy, which promises to improve operational performance, patient safety, and profitability. The new policy requires coordination between... View Details
Keywords: Safety; Organizational Change and Adaptation; Integration; Health Care and Treatment; Policy; Health Industry; Boston
Huckman, Robert S., and Nikolaos Trichakis. "Infection Control at Massachusetts General Hospital." Harvard Business School Case 614-044, November 2013. (Revised November 2014.)
- 2025
- Working Paper
Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending
By: Lisa De Simone, Peiyi Jin and Daniel Rabetti
This study establishes a plausible causal link between tax-planning-induced illiquidity and credit risks in lending markets. Exploiting an exogenous tax shock imposed by the Internal Revenue Service (IRS) on cryptocurrency gains, along with millions of transactions in... View Details
Keywords: Cryptocurrency; Taxation; Financial Liquidity; Credit; Financing and Loans; Financial Markets
De Simone, Lisa, Peiyi Jin, and Daniel Rabetti. "Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending." Working Paper, February 2025.
- November 2024
- Article
Preference Externality Estimators: A Comparison of Border Approaches and IVs
By: Xi Ling, Wesley R. Hartmann and Tomomichi Amano
This paper compares two estimators—the Border Approach and an Instrumental Variable (IV) estimator—using a unified framework where identifying variation arises from “preference externalities,” following the intuition in Waldfogel (2003). We highlight two dimensions in... View Details
Ling, Xi, Wesley R. Hartmann, and Tomomichi Amano. "Preference Externality Estimators: A Comparison of Border Approaches and IVs." Management Science 70, no. 11 (November 2024): 7892–7910.
- April 2008 (Revised May 2008)
- Case
Commonwealth Care Alliance: Elderly and Disabled Care
By: Michael E. Porter and Jennifer F Baron
Individuals enrolled in both Medicare and Medicaid, known as dual eligibles, are among the highest-cost beneficiaries in the US. Commonwealth Care Alliance, a small nonprofit insurer and care delivery system in Massachusetts, operated under a public demonstration... View Details
Keywords: Programs; Public Sector; Alliances; Policy; Age; Service Delivery; Value; Health Care and Treatment; Welfare; Insurance Industry; Health Industry; Massachusetts
Porter, Michael E., and Jennifer F Baron. "Commonwealth Care Alliance: Elderly and Disabled Care." Harvard Business School Case 708-502, April 2008. (Revised May 2008.)
- 2021
- Working Paper
Diversity and Performance in Entrepreneurial Teams
By: Sophie Calder-Wang, Paul A. Gompers and Kevin Huang
We study the role of diversity and performance in the entrepreneurial teams. We exploit a unique dataset of MBA students who participated in a required course to propose and start a real micro-business that allows us to examine horizontal diversity (i.e., within the... View Details
Calder-Wang, Sophie, Paul A. Gompers, and Kevin Huang. "Diversity and Performance in Entrepreneurial Teams." NBER Working Paper Series, No. 28684, April 2021.
- 12 Aug 2008
- First Look
First Look: August 12, 2008
Marc and his father Nick, a former Hall of Fame football player, when Marc suffered a spinal cord injury. In 2007, Marc was still confined to a wheelchair, but the Miami project had developed into the world's largest spinal cord injury research and View Details
Keywords: Sean Silverthorne
- 26 Mar 2013
- Working Paper Summaries
How Elastic Are Preferences for Redistribution? Evidence from Randomized Survey Experiments
- June 2002 (Revised October 2002)
- Case
Renewing Germany: Kohl's Legacy and Schroder's Dilemma
By: Huw Pill, Michael Linse, Marie-Anne Popp and Ingrid Vogel
The German economy has long been seen as the locomotive of European (and, on occasion, global) growth. Germany appeared to weather the stagflation of the 1970s more successfully than many other economies, and reunification in 1990 appeared to present opportunities for... View Details
Pill, Huw, Michael Linse, Marie-Anne Popp, and Ingrid Vogel. "Renewing Germany: Kohl's Legacy and Schroder's Dilemma." Harvard Business School Case 702-087, June 2002. (Revised October 2002.)
- 15 Jul 2002
- Research & Ideas
Going Green Makes Good Business Sense
does behave like a luxury good," he said. Rich people tend to want more of it than poor, according to Reinhardt, and rich countries demand it whereas poor countries do not. In addition, thanks to progress in the treatment of... View Details
Keywords: by Martha Lagace
- 08 Sep 2009
- Research & Ideas
The Height Tax, and Other New Ways to Think about Taxation
Harvard economist N. Gregory Mankiw, Weinzierl coauthored the HBS working paper "The Optimal Taxation of Height: A Case Study of Utilitarian Income Redistribution" [PDF]. The main framework economists use to think through tax View Details
Keywords: by Martha Lagace
- 16 Jul 2012
- Working Paper Summaries
Selection, Reallocation, and Spillover: Identifying the Sources of Gains from Multinational Production
Keywords: by Laura Alfaro & Maggie X. Chen
- 19 Dec 2023
- Research & Ideas
$15 Billion in Five Years: What Data Tells Us About MacKenzie Scott’s Philanthropy
public policy and management at the Harvard Kennedy School of Government. Brian Trelstad is the William Henry Bloomberg Senior Lecturer of Business Administration at Harvard Business School. Ethan Tran is an undergraduate student at... View Details
- 15 Mar 2021
- Working Paper Summaries
The Health Costs of Cost-Sharing
- August 2018
- Article
The Impact of the Entry of Biosimilars: Evidence from Europe
By: Fiona M. Scott Morton, Ariel Dora Stern and Scott Stern
Biologics represent a substantial and growing share of the U.S. drug market. Traditional “small molecule” generics quickly erode the price and share of the branded product upon entry; however, only a few biosimilars have been approved in the U.S. since 2015, thereby... View Details
Keywords: Health Care; Biosimilars; Biologics; Pharmaceutical Competition; Healthcare Spending; Innovation; Health Care and Treatment; Spending; Market Entry and Exit; Competition; Innovation and Invention; Pharmaceutical Industry; United States; Europe
Scott Morton, Fiona M., Ariel Dora Stern, and Scott Stern. "The Impact of the Entry of Biosimilars: Evidence from Europe." Review of Industrial Organization 53, no. 1 (August 2018): 173–210.
- October 2013
- Article
The Strategy That Will Fix Health Care
By: Michael E. Porter and Thomas H. Lee
In health care, the days of business as usual are over. Around the world, every health care system is struggling with rising costs and uneven quality, despite the hard work of well-intentioned, well-trained clinicians. Health care leaders and policy makers have tried... View Details
Keywords: Organizational Change and Adaptation; Strategy; Value; Customer Focus and Relationships; Health Care and Treatment; Health Industry
Porter, Michael E., and Thomas H. Lee. "The Strategy That Will Fix Health Care." Harvard Business Review 91, no. 10 (October 2013): 50–70.
- 25 Feb 2019
- Research & Ideas
How Gender Stereotypes Kill a Woman’s Self-Confidence
they performed on a test in a randomly assigned subject matter and to predict their own rank relative to others completing the same test. The researchers then provided participants with feedback about their performance. They found that... View Details
Keywords: by Dina Gerdeman