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- All HBS Web
(300)
- News (58)
- Research (196)
- Multimedia (6)
- Faculty Publications (123)
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- April 2012
- Article
How Many Direct Reports?
By: Gary L. Neilson and Julie Wulf
If senior executives are feeling ever more pressed for time, why would they add more to their plates? It might sound counterintuitive, but research by Booz & Company's Gary L. Neilson and me shows that over the past 20 years the CEO's average span of control, measured... View Details
Keywords: Leadership; Governance Controls; Managerial Roles; Adaptation; Personal Development and Career; Cooperation; Management Teams
Neilson, Gary L., and Julie Wulf. "How Many Direct Reports?" Harvard Business Review 90, no. 4 (April 2012).
- 2021
- Working Paper
Diagnosing Quality: Learning, Amenities, and the Demand for Health Care
By: Achyuta Adhvaryu, Emilio Gutierrez, Anant Nyshadham and Jorge Tamayo
We study the role of amenities in increasing demand for underutilized healthcare services. We evaluate the offer of a high-amenity diagnostic consultation for cataracts with a randomized price and find that a lower price for the high-amenity consultation increases... View Details
Keywords: Health Care Demand; Amenities; Health Care Quality; Cataracts; Surgery; Health Care and Treatment; Demand and Consumers; Quality; Learning; Mexico
Adhvaryu, Achyuta, Emilio Gutierrez, Anant Nyshadham, and Jorge Tamayo. "Diagnosing Quality: Learning, Amenities, and the Demand for Health Care." Harvard Business School Working Paper, No. 21-110, March 2021.
- Article
Stop the Meeting Madness: How to Free Up Time for Meaningful Work
By: Leslie Perlow, Constance Noonan Hadley and Eunice Eun
Many executives feel overwhelmed by meetings, and no wonder: On average, they spend nearly 23 hours a week in them, up from less than 10 hours in the 1960s. What’s more, the meetings are often poorly timed, badly run, or both. We can all joke about how painful they... View Details
Keywords: Time Management; Performance Efficiency; Organizational Change and Adaptation; Performance Improvement
Perlow, Leslie, Constance Noonan Hadley, and Eunice Eun. "Stop the Meeting Madness: How to Free Up Time for Meaningful Work." Harvard Business Review 95, no. 4 (July–August 2017): 62–69.
- Research Summary
Equity Valuation
Professor Wang’s research utilizes valuation theory to explain how firm fundamentals are related to the expected rates of equity returns and their term structures. His research provides strong evidence that valuation-based proxies of expected returns outperform the... View Details
- October 2011 (Revised December 2012)
- Case
eHealthpoint: Healthcare for Rural India
By: Richard G. Hamermesh, Mona Sinha and Elizabeth Vrolyk
Healthpoint Services sought to address rural India's shortage of quality and affordable healthcare with a multi-service platform that comprised telemedical health clinics called eHealthpoints, clean drinking water, a diagnostic lab, and a pharmacy. Could they convince... View Details
Hamermesh, Richard G., Mona Sinha, and Elizabeth Vrolyk. "eHealthpoint: Healthcare for Rural India." Harvard Business School Case 812-020, October 2011. (Revised December 2012.)
- December 2016 (Revised May 2018)
- Module Note
Strategy Execution Module 15: Using the Levers of Control to Implement Strategy
By: Robert Simons
This module reading pulls together key concepts and techniques from the Strategy Execution series into an integrated model—the levers of control. The four levers are: (1) belief systems, (2) boundary systems, (3) diagnostic control systems, and (4) interactive control... View Details
Keywords: Management Control Systems; Implementing Strategy; Execution; Levers Of Control; Balancing Innovation And Control; Managing Growing Businesses; Turn Around Management; Human Behavior; Organizational Life Cycle; Strategy; Management Systems; Performance; Measurement and Metrics; Management Analysis, Tools, and Techniques; Behavior
Simons, Robert. "Strategy Execution Module 15: Using the Levers of Control to Implement Strategy." Harvard Business School Module Note 117-115, December 2016. (Revised May 2018.)
- 2024
- Working Paper
Gastrointestinal Endoscopy--Without Cutting In: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how endoscopy transformed the diagnosis of ulcers, cancerous polyps, and other alimentary canal diseases and enabled “minimally invasive” surgeries to treat such diseases. Specifically, we chronicle how: 1) flexible glass fiber endoscopes... View Details
Keywords: Health Care and Treatment; Technological Innovation; Innovation Strategy; Technology Adoption; Collaborative Innovation and Invention; Innovation and Invention; Governing Rules, Regulations, and Reforms
Bhidé, Amar, Srikant M. Datar, and Katherine Stebbins. "Gastrointestinal Endoscopy--Without Cutting In: Case Histories of Transformational Advances." Harvard Business School Working Paper, No. 20-005, July 2019. (Revised May 2024.)
- July 2024
- Case
Gates Ventures: Making Alzheimer's a Forgotten Past
By: Satish Tadikonda, William Marks, Shardule Shah and Calvin Marambo
After a personal journey and interest in Alzheimer's Disease (AD) by Bill Gates, Gates Ventures set out to find the best way to accelerate innovation in the field of AD. In partnership with the Alzheimer's Drug Discovery Foundation, Gates Ventures created the... View Details
Keywords: Philanthropy and Charitable Giving; Entrepreneurial Finance; Health Disorders; Mission and Purpose
Tadikonda, Satish, William Marks, Shardule Shah, and Calvin Marambo. "Gates Ventures: Making Alzheimer's a Forgotten Past." Harvard Business School Case 824-075, July 2024.
- June 2021
- Technical Note
Introduction to Linear Regression
By: Michael Parzen and Paul Hamilton
This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical... View Details
- Article
Affording to Wait: Medicare Initiation and the Use of Health Care
By: Guy David, Philip Saynisch, Victoria Acevado-Perez and Mark D. Neuman
Delays in receipt of necessary diagnostic and therapeutic medical procedures related to the timing of Medicare initiation at age 65 years have potentially broad welfare implications. We use 2005–2007 data from Florida and North Carolina to estimate the effect of... View Details
Keywords: Medicare; Behavior; Insurance; Health Care and Treatment; Insurance Industry; Public Administration Industry; Health Industry; North Carolina; Florida
David, Guy, Philip Saynisch, Victoria Acevado-Perez, and Mark D. Neuman. "Affording to Wait: Medicare Initiation and the Use of Health Care." Health Economics 21, no. 8 (August 2012): 1030–1036.
- March 2023 (Revised March 2023)
- Case
Roche: Innovation and Access to Healthcare
By: George Serafeim, Susanna Gallani and Benjamin Maletta
In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first investor event focused exclusively on its efforts to impact access to healthcare. While Roche had recently set an ambitious goal to double the number of patients that had... View Details
Keywords: ESG (Environmental, Social, Governance) Performance; Sustainable Finance; Growth Strategy And Execution; Sustainability Targets; Impact Evaluation; Healthcare Access; Healthcare Innovation; Healthcare Systems; Healthcare Operations; Finance; Strategy; Health Testing and Trials; Health Care and Treatment; Growth Management; Measurement and Metrics; Innovation Strategy; Corporate Social Responsibility and Impact; Health Industry; Pharmaceutical Industry; Switzerland; North America; Europe; Asia; Latin America; Africa
Serafeim, George, Susanna Gallani, and Benjamin Maletta. "Roche: Innovation and Access to Healthcare." Harvard Business School Case 123-075, March 2023. (Revised March 2023.)
- May 2009 (Revised August 2013)
- Case
The DiagnoFirst Opportunity
By: Robert C. Pozen and Rukmini Balu
John Mason, a principle at Oldwell Partners, was facing a decision of whether or not to invest in DiagnoFirst, a molecular diagnostics firm. DiagnoFirst's key product was a genetic test that identified a subset of prostate cancer patients with a high risk of clinical... View Details
Keywords: Genetic Engineering; Genetically Modified; Genomics; Venture Capital; Patents; Genetics; Decision Choices and Conditions; Laws and Statutes; Investment; Science-Based Business; Biotechnology Industry
Pozen, Robert C., and Rukmini Balu. "The DiagnoFirst Opportunity." Harvard Business School Case 309-112, May 2009. (Revised August 2013.)
- 26 Apr 2020
- Other Presentation
Towards Modeling the Variability of Human Attention
By: Kuno Kim, Megumi Sano, Julian De Freitas, Daniel Yamins and Nick Haber
Children exhibit extraordinary exploratory behaviors hypothesized to contribute to the building of models of their world. Harnessing this capacity in artificial systems promises not only more flexible technology but also cognitive models of the developmental processes... View Details
Keywords: Exploratory Learning Behaviors; Modeling; Artificial Intelligence; AI and Machine Learning
Kim, Kuno, Megumi Sano, Julian De Freitas, Daniel Yamins, and Nick Haber. "Towards Modeling the Variability of Human Attention." In Bridging AI and Cognitive Science (BAICS) Workshop. 8th International Conference on Learning Representations (ICLR), April 26, 2020.
- August 2016 (Revised July 2019)
- Case
Alere
By: Raffaella Sadun, Catherine Slater and Channing Spencer
The Board of Alere, Inc., a leading medical diagnostic firm, is evaluating the offer made by Ron Zwanziger, the firm’s founder and former CEO, to acquire the company and take it private. The offer arrives at the end of a tumultuous year for the company, which saw... View Details
- September 2020
- Case
Minerva 2004: Discovery
By: John R. Wells and Benjamin Weinstock
After nearly five years in operation, Doctor Cynthia Bamdad, founder and CEO of Minerva Biotechnologies Corporation (Minerva), was reflecting on the company’s next steps. In a few short years, she and her small team had managed to develop a nanoparticle process for... View Details
Keywords: Entrepreneurship; Financing and Loans; Strategy; Decision Choices and Conditions; Biotechnology Industry
Wells, John R., and Benjamin Weinstock. "Minerva 2004: Discovery." Harvard Business School Case 721-389, September 2020.
- 2015
- Chapter
Deep Smarts as the Underpinnings of Dynamic Capabilities
By: Dorothy A. Leonard and Michelle Barton
Both ordinary and dynamic capabilities depend upon the deep smarts, i.e., business-critical, experience-based knowledge, held in the heads of an organization’s top talent. This chapter examines the links between individual and organizational capabilities and presents... View Details
Leonard, Dorothy A., and Michelle Barton. "Deep Smarts as the Underpinnings of Dynamic Capabilities." In The Oxford Handbook of Dynamic Capabilities, edited by David J. Teece and Sohvi Leih. Oxford University Press, 2015. Electronic.
- January 2025 (Revised March 2025)
- Case
Creating Value by Splitting Aster: Can One Minus One Equal Two?
By: V.G. Narayanan and Kairavi Dey
Aster DM Healthcare (Aster), founded by Dr. Azad Moopen in 1987, is a prominent healthcare conglomerate with operations spanning hospitals, clinics, retail pharmacies, and diagnostic centers across India and the GCC. After its 2018 listing on India’s National Stock... View Details
Keywords: Corporate Governance; Corporate Accountability; Leadership; Change Management; Mergers and Acquisitions; Restructuring; Negotiation; Valuation; Health Industry; Asia; India; Middle East; United Arab Emirates
Narayanan, V.G., and Kairavi Dey. "Creating Value by Splitting Aster: Can One Minus One Equal Two?" Harvard Business School Case 125-069, January 2025. (Revised March 2025.)
- 2016
- Chapter
Evaluating the Effects of Large Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative
By: Nava Ashraf, Gunther Fink and David N. Weil
Since 2003, Zambia has been engaged in a large-scale, centrally coordinated national anti-Malaria campaign, which has become a model in sub-Saharan Africa. This paper aims at quantifying the individual and macro-level benefits of this campaign, which involved mass... View Details
Ashraf, Nava, Gunther Fink, and David N. Weil. "Evaluating the Effects of Large Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative." Chap. 1 in African Successes, Volume 2: Human Capital, edited by Sebastian Edwards, Simon Johnson, and David N. Weil. University of Chicago Press, 2016.
- January 2002 (Revised October 2005)
- Case
General Electric Medical Systems 2002
By: Tarun Khanna and James Weber
Discusses one of General Electric's flagship divisions--the world's leading provider of medical diagnostic imaging equipment. Provides an opportunity to examine a multinational confronting massive technological and demographic changes around the world. Genomics has... View Details
Keywords: Information Technology; Business Model; Change Management; Multinational Firms and Management; Genetics; Customer Value and Value Chain; Age; Medical Devices and Supplies Industry; China; United States
Khanna, Tarun, and James Weber. "General Electric Medical Systems 2002." Harvard Business School Case 702-428, January 2002. (Revised October 2005.)
- February 2025
- Article
Variation in Batch Ordering of Imaging Tests in the Emergency Department and the Impact on Care Delivery
By: Jacob C. Jameson, Soroush Saghafian, Robert S. Huckman and Nicole Hodgson
Objectives: To examine heterogeneity in physician batch ordering practices and measure the impact of a physician's tendency to batch order imaging tests on patient outcomes and resource utilization.
Study Setting and Design: In this retrospective study, we used... View Details
Study Setting and Design: In this retrospective study, we used... View Details
Keywords: Health Care; Operations Management; Productivity; Health Care and Treatment; Operations; Outcome or Result; Resource Allocation; Health Industry; United States
Jameson, Jacob C., Soroush Saghafian, Robert S. Huckman, and Nicole Hodgson. "Variation in Batch Ordering of Imaging Tests in the Emergency Department and the Impact on Care Delivery." Health Services Research 60, no. 1 (February 2025).