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Show Results For
- All HBS Web
(5,966)
- People (5)
- News (943)
- Research (4,073)
- Events (38)
- Multimedia (4)
- Faculty Publications (2,096)
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- 25 Apr 2014
- Research & Ideas
To Pay or Not to Pay: Argentina and the International Debt Market
Back then, Argentina tried to fend off creditors by adopting a hard-line attitude about reducing its debt obligations. When it initiated a bond exchange offer in 2005 and told its creditors to "take it or leave it," the republic... View Details
Keywords: by Laura Alfaro
- 2016
- Working Paper
Innovating in Science and Engineering or 'Cashing In' on Wall Street? Evidence on Elite STEM Talent
By: Pian Shu
Using data on MIT bachelor's graduates from 1994 to 2012, this paper empirically examines the extent to which the inflow of elite talent into the financial industry affects the supply of innovators in science and engineering (S&E). I first show that finance does not... View Details
Shu, Pian. "Innovating in Science and Engineering or 'Cashing In' on Wall Street? Evidence on Elite STEM Talent." Harvard Business School Working Paper, No. 16-067, December 2015. (Revised November 2016.)
- 2014
- Working Paper
Which Does More to Determine the Quality of Corporate Governance in Emerging Economies, Firms or Countries?
By: Andrea Hugill and Jordan Siegel
Scholars of corporate governance have debated the relative importance of country and firm characteristics in understanding corporate governance variation across emerging economies. Using panel data and a number of model specifications, we shed new light on this debate.... View Details
Hugill, Andrea, and Jordan Siegel. "Which Does More to Determine the Quality of Corporate Governance in Emerging Economies, Firms or Countries?" Harvard Business School Working Paper, No. 13-055, December 2012. (Revised March 2013, June 2014.)
- August 2012 (Revised August 2014)
- Case
Cancer Treatment Centers of America® (A)
By: Regina E. Herzlinger and Natalie Kindred
Cancer Treatment Centers of America (CTCA), a U.S. network of four privately owned oncology focused factory hospitals, was weighing options for growth. CTCA was entirely cancer focused and specialized in treating patients with complex and advanced-stage cancers, who... View Details
Keywords: Cancer; Cancer Treatment; Health Care; Healthcare; Accountability; Outcomes; Outcomes Measurement; Outcomes Reporting; Hub And Spoke Cancer Care; Hub And Spoke; Hub-and-spoke; Focused Factory; Mission and Purpose; Private Ownership; For-Profit Firms; Health Disorders; Medical Specialties; Policy; Business Model; Expansion; Decision Choices and Conditions; Advertising; Health Care and Treatment; Innovation and Invention; Health Industry; United States
Herzlinger, Regina E., and Natalie Kindred. "Cancer Treatment Centers of America® (A)." Harvard Business School Case 313-012, August 2012. (Revised August 2014.)
- March 2012 (Revised April 2013)
- Case
Schön Klinik: Eating Disorder Care
By: Michael E. Porter, Emma Stanton, Jessica A. Hohman and Caleb Stowell
The Schön Klinik is a private, for-profit German hospital group trying to establish itself as a premium health care provider in a competitive German market. The case details Schön Klinik's founding, its early focus on measurement and improvement, and the design and... View Details
Keywords: Health Care Quality; Outcomes; Quality Improvement; Strategy And Performance Measurement; Integration; Measurement and Metrics; Competition; Health Disorders; Health Care and Treatment; Outcome or Result; Performance Evaluation; Business Processes; Health Industry; Germany
Porter, Michael E., Emma Stanton, Jessica A. Hohman, and Caleb Stowell. "Schön Klinik: Eating Disorder Care." Harvard Business School Case 712-475, March 2012. (Revised April 2013.)
- 2021
- Working Paper
Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States
By: Clare Halloran, Rebecca Jack, James C. Okun and Emily Oster
We estimate the impact of district-level schooling mode (in-person versus hybrid or distance learning) on test scores. We combine Spring 2021 state standardized test score data with comprehensive data on schooling in the 2020-21 school year across 12 states. We find... View Details
Keywords: COVID-19 Pandemic; In-person Schooling; Distance Learning; Outcomes Measurement; Health Pandemics; Education; Performance Evaluation
Halloran, Clare, Rebecca Jack, James C. Okun, and Emily Oster. "Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States." NBER Working Paper Series, No. 29497, November 2021.
- June 2025
- Article
Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion
By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz
Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details
Keywords: Passion; Emotional Contagion; Emotions; Groups and Teams; Employees; Power and Influence; Performance Improvement
Frank, Emma, Kai Krautter, Wen Wu, and Jon M. Jachimowicz. "Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion." Administrative Science Quarterly 70, no. 2 (June 2025): 444–495.
- June 24, 2016
- Other Article
Why Brexit Is a Big Deal
By: John A. Quelch
The consequences of yesterday's vote by the British people to leave the European Union will be far-reaching, but there is no reason for global markets to panic.
Brexit is a vote against the European Union. Once heralded as the engine of a one-for-all and... View Details
Brexit is a vote against the European Union. Once heralded as the engine of a one-for-all and... View Details
Keywords: British Vote; Brexit; European Union; Impact; Historical Result; Governing Rules, Regulations, And Reforms; Disruption; Transition; Volatility; Decision Making; Globalization; Government and Politics; History; Leadership; Outcome or Result; Risk and Uncertainty; Strategy; European Union; Republic of Ireland; United Kingdom
Quelch, John A. "Why Brexit Is a Big Deal." Harvard Business School Working Knowledge (June 24, 2016). (Republished by Forbes.com on June 24, 2016 at: http://www.forbes.com/sites/hbsworkingknowledge/2016/06/24/why-brexit-is-a-big-deal/#2c5e5c587297.)
- 11 Apr 2023
- Research & Ideas
Is Amazon a Retailer, a Tech Firm, or a Media Company? How AI Can Help Investors Decide
companies. Portfolio managers and analysts have been using the Global Industry Classification Standard, or GICS—a taxonomy of 11 sectors, 25 industry groups, and additional subsets—to compare stocks since 1999. Periodically, Standard... View Details
- March 2023 (Revised June 2025)
- Case
Close Concerns: Diabetes Research and Advocacy
By: Regina E. Herzlinger and Brian L. Walker
Diagnosed with diabetes at the age of 18, Kelly Close understood the importance of balancing consistency and iteration. This principle had also informed her professional work, which started with a rapid promotion from financial analyst at Goldman Sachs to an analyst... View Details
Keywords: Diabetes; Health; Health Care; Health Care And Treatment; Health Care Outcomes; Health Care Industry; Knowledge Dissemination; Outcome or Result; Equality and Inequality; Business Model; Entrepreneurship
Herzlinger, Regina E., and Brian L. Walker. "Close Concerns: Diabetes Research and Advocacy." Harvard Business School Case 323-047, March 2023. (Revised June 2025.)
- Article
Credit and Punishment: Are Corporate Bankers Disciplined for Risk-Taking?
By: Janet Gao, Kristoph Kleiner and Joseph Pacelli
We examine whether bankers face disciplining consequences for structuring poorly performing corporate loans. We construct a novel data set containing the employment histories and loan portfolios of a large sample of corporate bankers and find that corporate credit... View Details
Keywords: Syndicated Loans; Credit Events; Career Outcomes; Loan Officers; Banks and Banking; Financing and Loans; Risk Management; Corporate Finance; Personal Development and Career
Gao, Janet, Kristoph Kleiner, and Joseph Pacelli. "Credit and Punishment: Are Corporate Bankers Disciplined for Risk-Taking?" Review of Financial Studies 33, no. 12 (December 2020): 5706–5749.
- November 2019 (Revised December 2019)
- Case
Martini Klinik: Prostate Cancer Care 2019
By: Michael E. Porter, Jens Deerberg-Wittram and Thomas W. Feeley
Since its establishment in 2005, Hamburg’s Martini Klinik had single mindedly focused on prostate cancer care with a commitment to measure long-term health outcomes for every patient. A wholly owned subsidiary of the University Hospital Hamburg, Martini Klinik was a... View Details
Keywords: Health Care; Michael Porter; Jens Deerberg-Wittram; Clifford Marks; Prostate Cancer; Health Care Policy; Value Agenda; Integrated Practice Units; Outcomes Measurement; Health Care and Treatment; Value; Health Disorders; Insurance; Medical Specialties; Outcome or Result; Measurement and Metrics; Business Processes; Insurance Industry; Health Industry; Germany
Porter, Michael E., Jens Deerberg-Wittram, and Thomas W. Feeley. "Martini Klinik: Prostate Cancer Care 2019." Harvard Business School Case 720-359, November 2019. (Revised December 2019.)
- September 2016
- Supplement
Health Leads: Reaching for Impact (B)
By: V. Kasturi Rangan and Sarah Appleby
The (B) case documents the development of a strategy to achieve system-level impact in a rapidly changing healthcare landscape for a nonprofit focused on addressing patients' basic social needs through healthcare institutions. Founded in 1996 with a volunteer-staffed... View Details
Keywords: Scaling Social Impact; Scaling Social Enterprise; Health Care Delivery; Health Care Outcomes; Nonprofit Scaling; Nonprofit; Social Enterprise; Social Entrepreneurship; Health Care and Treatment; Nonprofit Organizations; Growth and Development Strategy; Health Industry; United States
Rangan, V. Kasturi, and Sarah Appleby. "Health Leads: Reaching for Impact (B)." Harvard Business School Supplement 517-023, September 2016.
- September 2016
- Case
Health Leads: Reaching for Impact (Abridged)
By: V. Kasturi Rangan and Sarah Appleby
A nonprofit in the healthcare arena explores strategies to achieve system-level impact. Founded in 1996 with a volunteer-staffed help desk at Boston Medical Center connecting low-income patients with basic resources like heating assistance, job training, and childcare... View Details
Keywords: Scaling Social Enterprise; Scaling Social Impact; Health Care Delivery; Health Care Outcomes; Health Care Reform; Nonprofit; Nonprofit Scaling; Social Enterprise; Health Care and Treatment; Nonprofit Organizations; Growth and Development Strategy; Health Industry; United States
Rangan, V. Kasturi, and Sarah Appleby. "Health Leads: Reaching for Impact (Abridged)." Harvard Business School Case 517-024, September 2016.
- September 2016
- Case
Health Leads: Reaching for Impact (A)
By: V. Kasturi Rangan and Sarah Appleby
Explores strategies to achieve system-level impact for a nonprofit focused on addressing patients' basic social needs through healthcare institutions. Founded in 1996 with a volunteer-staffed help desk at Boston Medical Center connecting low-income patients with basic... View Details
Keywords: Scaling Social Impact; Nonprofit; Healthcare; Health Care Outcomes; Health Care Reform; Health Care Delivery; Scaling Social Enterprise; Social Enterprise; Health; Nonprofit Organizations; Health Care and Treatment; Health Industry; United States
Rangan, V. Kasturi, and Sarah Appleby. "Health Leads: Reaching for Impact (A)." Harvard Business School Case 517-022, September 2016.
- 16 Oct 2008
- Working Paper Summaries
Making the Gambler’s Fallacy Disappear: The Role of Experience
Keywords: by Gregory M. Barron & Stephen Leider
- January 2010
- Article
The Role of Experience in the Gambler's Fallacy
By: Greg Barron and Stephen Leider
Recent papers have demonstrated that the way people acquire information about a decision problem, by experience or by abstract description, can affect their behavior. We examined the role of experience over time in the emergence of the Gambler's Fallacy in binary... View Details
Keywords: Experience and Expertise; Decision Making; Forecasting and Prediction; Knowledge Acquisition; Outcome or Result; Game Theory; Prejudice and Bias
Barron, Greg, and Stephen Leider. "The Role of Experience in the Gambler's Fallacy." Special Issue on Decisions from Experience. Journal of Behavioral Decision Making 23, no. 1 (January 2010).
- Article
Avoiding the Costs of Negotiation: A Commentary on "Is Unilateralism Always Bad?"
Why, if an outcome is in the interests of both sides, should it not be negotiated rather than unilaterally imposed? This comment offers additional reasons to prefer negotiation (beyond those adduced in the original article) over unilateral action, even where such... View Details
Sebenius, James K. Avoiding the Costs of Negotiation: A Commentary on "Is Unilateralism Always Bad?". Negotiation Journal 30, no. 2 (April 2014): 165–168.
- Article
Better Accounting Transforms Health Care Delivery
By: Robert S. Kaplan and Mary L. Witkowski
The paper describes the theory and preliminary results for an action research program that explores the implications from better measurements of health care outcomes and costs. After summarizing Porter's outcome taxonomy (Porter 2010), we illustrate how to use process... View Details
Keywords: Activity Based Costing and Management; Research; Health Care and Treatment; Health Industry
Kaplan, Robert S., and Mary L. Witkowski. "Better Accounting Transforms Health Care Delivery." Accounting Horizons 28, no. 2 (June 2014): 365–383.
- December 2010
- Article
Rating the Ratings: How Good are Commercial Governance Ratings?
By: Robert M. Daines, Ian D. Gow and David F. Larcker
Proxy advisory and corporate governance rating firms (such as RiskMetrics/Institutional Shareholder Services, GovernanceMetrics International, and The Corporate Library) play an increasingly important role in U.S. public markets. They rank the quality of firm corporate... View Details
Keywords: Corporate Governance; Markets; Rank and Position; Quality; Business and Shareholder Relations; Voting; Change; Information; Outcome or Result; United States
Daines, Robert M., Ian D. Gow, and David F. Larcker. "Rating the Ratings: How Good are Commercial Governance Ratings?" Journal of Financial Economics 98, no. 3 (December 2010): 439–461.