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Show Results For
- All HBS Web
(2,517)
- People (6)
- News (578)
- Research (1,754)
- Events (11)
- Multimedia (14)
- Faculty Publications (1,389)
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- July 2022
- Teaching Plan
Wellthy: The Economics of Caring
By: Brian Trelstad
Teaching Plan for HBS Case No. 320-028. In 2014, Lindsay Jurist-Rosner (MBA ’09) founded Wellthy, a B2C business that coordinates care for working professionals seeking help to support loved ones with chronic diseases or aging parents. With personal experience as a... View Details
- September 2022
- Technical Note
Addressing Social Determinants of Health in the American Landscape
By: Susanna Gallani and Jacob Riegler
Social determinants of health (SDOH) have gained significant attention in recent years. A growing body of research shows that a person’s health is influenced by a large number of non-genetic factors, most of which operate outside the realm of health care and are... View Details
Keywords: Socioeconomic Determinants Of Health; Social Determinants Of Health; Population Health; Health; Health Care and Treatment; Social Issues; Health Industry; Insurance Industry; Medical Devices and Supplies Industry; United States
Gallani, Susanna, and Jacob Riegler. "Addressing Social Determinants of Health in the American Landscape." Harvard Business School Technical Note 123-023, September 2022.
- 2021
- Working Paper
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" European Corporate Governance Institute Finance Working Paper, No. 736/2021, February 2021. (Harvard Business School Working Paper, No. 21-112, April 2021.)
- November 9, 2019
- Article
Effect of Revealing Authors' Conflicts of Interests in Peer Review: Randomized Controlled Trial
By: Leslie K. John, George Loewenstein, Andrew Marder and Michael Callaham
Objective: To assess the impact of disclosing authors’ conflict of interest declarations to peer reviewers at a medical journal.
Design: Randomised controlled trial.
Setting: The study was conducted within the manuscript review process at the... View Details
Design: Randomised controlled trial.
Setting: The study was conducted within the manuscript review process at the... View Details
Keywords: Conflicts Of Interest; Peer Review; Randomized Controlled Trial; Scientific Publication; Conflict of Interests; Journals and Magazines; Science
John, Leslie K., George Loewenstein, Andrew Marder, and Michael Callaham. "Effect of Revealing Authors' Conflicts of Interests in Peer Review: Randomized Controlled Trial." BMJ: British Medical Journal 367, no. 8221 (November 9, 2019).
- July–August 2024
- Article
Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals
By: Ta-Wei Huang and Eva Ascarza
Firms are increasingly interested in developing targeted interventions for customers with the best response,
which requires identifying differences in customer sensitivity, typically through the conditional average treatment
effect (CATE) estimation. In theory, to... View Details
Keywords: Long-run Targeting; Heterogeneous Treatment Effect; Statistical Surrogacy; Customer Churn; Field Experiments; Consumer Behavior; Customer Focus and Relationships; AI and Machine Learning; Marketing Strategy
Huang, Ta-Wei, and Eva Ascarza. "Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals." Marketing Science 43, no. 4 (July–August 2024): 863–884.
- Article
Value of New Performance Information in Healthcare: Evidence from Japan
By: Susanna Gallani, Takehisa Kajiwara and Ranjani Krishnan
Mandatory measurement and disclosure of outcome measures are commonly used policy tools in
healthcare. The effectiveness of such disclosures relies on the extent to which the new information produced by the mandatory system is internalized by the healthcare... View Details
Keywords: Value Of Information; Feedback; Patient Satisfaction; Healthcare; Health Care and Treatment; Satisfaction; Information; Measurement and Metrics; Performance Improvement
Gallani, Susanna, Takehisa Kajiwara, and Ranjani Krishnan. "Value of New Performance Information in Healthcare: Evidence from Japan." International Journal of Health Economics and Management 20, no. 4 (December 2020): 319–357.
- 2024
- Working Paper
Incrementality Representation Learning: Synergizing Past Experiments for Intervention Personalization
This paper introduces Incrementality Representation Learning (IRL), a novel multitask representation learning framework that predicts heterogeneous causal effects of marketing interventions. By leveraging past experiments, IRL efficiently designs and targets... View Details
Keywords: Heterogeneous Treatment Effect; Multi-task Learning; Representation Learning; Personalization; Promotion; Deep Learning; Field Experiments; Customer Focus and Relationships; Customization and Personalization
Huang, Ta-Wei, Eva Ascarza, and Ayelet Israeli. "Incrementality Representation Learning: Synergizing Past Experiments for Intervention Personalization." Harvard Business School Working Paper, No. 24-076, June 2024.
- Article
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
We explain when and how staggered difference-in-differences regression estimators, commonly applied to assess the impact of policy changes, are biased. These biases are likely to be relevant for a large portion of research settings in finance, accounting, and law that... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" Journal of Financial Economics 144, no. 2 (May 2022): 370–395. (Editor's Choice, May 2022; Jensen Prize, First Place, June 2023.)
- May 2020
- Article
Identifying Sources of Inefficiency in Health Care
By: Amitabh Chandra and Douglas O. Staiger
In medicine, the reasons for variation in treatment rates across hospitals serving similar patients are not well understood. Some interpret this variation as unwarranted and push standardization of care as a way of reducing allocative inefficiency. However, an... View Details
Keywords: Health Care and Treatment; Performance Efficiency; Performance Productivity; Mathematical Methods
Chandra, Amitabh, and Douglas O. Staiger. "Identifying Sources of Inefficiency in Health Care." Quarterly Journal of Economics 135, no. 2 (May 2020): 785–843.
- Article
Trends and Predictors of Biomedical Research Quality, 1990–2015: A Meta-Research Study
By: Maryaline Catillon
Keywords: Biomedical Research; R&D; Innovation; Technology; Drug Trials; RCT; Health; Healthcare; Health Care And Treatment; Health Care Policy; Innovation and Invention; Innovation Strategy; Research and Development; Technological Innovation; Health Industry; Pharmaceutical Industry
Catillon, Maryaline. "Trends and Predictors of Biomedical Research Quality, 1990–2015: A Meta-Research Study." BMJ Open 9, no. 9 (September 2019).
- March 2016
- Article
Using Quality Improvement Methods and Time-Driven Activity-Based Costing to Improve Value-Based Cancer Care Delivery at a Cancer Genetics Clinic
By: R.Y. Tan, M. Met-Domestici, K. Zhou, A.B. Guzman, S.T. Lim, K.C. Soo, T.W. Feeley and J. Ngeow
Purpose:
To meet increasing demand for cancer genetic testing and improve value-based cancer care delivery, National Cancer Centre Singapore restructured the Cancer Genetics Service in 2014. Care delivery processes were redesigned. We sought to improve access by... View Details
To meet increasing demand for cancer genetic testing and improve value-based cancer care delivery, National Cancer Centre Singapore restructured the Cancer Genetics Service in 2014. Care delivery processes were redesigned. We sought to improve access by... View Details
Keywords: Cancer Treatment; Value Based Health Care; Time-Driven Activity-Based Costing; Health Care and Treatment; Quality; Performance Improvement; Activity Based Costing and Management
Tan, R.Y., M. Met-Domestici, K. Zhou, A.B. Guzman, S.T. Lim, K.C. Soo, T.W. Feeley, and J. Ngeow. "Using Quality Improvement Methods and Time-Driven Activity-Based Costing to Improve Value-Based Cancer Care Delivery at a Cancer Genetics Clinic." Journal of Oncology Practice 12, no. 3 (March 2016): 320–331. (e-Pub 1/2016. PMID: 26759493.)
- 2024
- Working Paper
Prozac—Controversial Blockbuster: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes the development of Prozac, a blockbuster drug that transformed
the treatment of depression – and became a cultural phenomenon in the United States. Specifically, we
chronicle the: 1) prior treatments for depression and the research that... 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. "Prozac—Controversial Blockbuster: Case Histories of Transformational Advances." Harvard Business School Working Paper, No. 20-135, July 2020. (Revised May 2024.)
- 2017
- Working Paper
Identifying Sources of Inefficiency in Health Care
By: Amitabh Chandra and Douglas O. Staiger
In medicine, the reasons for variation in treatment rates across hospitals serving similar patients are not well understood. Some interpret this variation as unwarranted and push standardization of care as a way of reducing allocative inefficiency. However, an... View Details
Keywords: Health Care and Treatment; Performance Efficiency; Performance Productivity; Mathematical Methods
Chandra, Amitabh, and Douglas O. Staiger. "Identifying Sources of Inefficiency in Health Care." NBER Working Paper Series, No. 24035, November 2017.
- February 2018
- Article
Retention Futility: Targeting High-Risk Customers Might Be Ineffective.
By: Eva Ascarza
Companies in a variety of sectors are increasingly managing customer churn proactively, generally by detecting customers at the highest risk of churning and targeting retention efforts towards them. While there is a vast literature on developing churn prediction models... View Details
Keywords: Retention/churn; Proactive Churn Management; Field Experiments; Heterogeneous Treatment Effect; Machine Learning; Customer Relationship Management; Risk Management
Ascarza, Eva. "Retention Futility: Targeting High-Risk Customers Might Be Ineffective." Journal of Marketing Research (JMR) 55, no. 1 (February 2018): 80–98.
- 2024
- Working Paper
Tamoxifen—Reducing Breast Cancer Risks: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant Datar and Katherine Stebbins
We describe the development of tamoxifen, considered a “gold standard” treatment for
millions of breast cancer patients. Specifically, we describe breast cancer treatments before tamoxifen’s
development; the initial development of tamoxifen from 1960 to 1973;... View Details
Keywords: Health Care and Treatment; Technological Innovation; Innovation and Invention; Innovation Strategy; Technology Adoption; Collaborative Innovation and Invention; Governing Rules, Regulations, and Reforms
Bhidé, Amar, Srikant Datar, and Katherine Stebbins. "Tamoxifen—Reducing Breast Cancer Risks: Case Histories of Transformational Advances." Harvard Business School Working Paper, No. 20-134, July 2020. (Revised May 2024.)
- January 2017
- Case
The Six CEOs of Tyco International Ltd.
By: John R. Wells and Gabriel Ellsworth
In September 2016, Johnson Controls, Inc. completed the acquisition of Tyco International PLC, a $9.9 billion business with operating profits of $884 million. The purchase consideration was $14.4 billion. Although the deal was billed as a merger, Ireland-based Tyco... View Details
Keywords: Tyco; Dennis Kozlowski; Edward Breen; Fire Safety; Fire Protection; Security; Packaging; Securities And Exchange Commission; Fraud; Accounting; Accounting Audits; Earnings Management; Financial Statements; Goodwill Accounting; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Divisions; Business Exit or Shutdown; Business Growth and Maturation; Business Headquarters; Business Model; Business Organization; For-Profit Firms; Restructuring; Crime and Corruption; Engineering; Applied Optics; Chemicals; Construction; Metals and Minerals; Ethics; Finance; Cash Flow; Public Equity; Stock Options; Financing and Loans; Initial Public Offering; Profit; Revenue; Geographic Location; Geographic Scope; Global Range; Globalized Firms and Management; Multinational Firms and Management; Corporate Accountability; Corporate Disclosure; Health Care and Treatment; Business History; Executive Compensation; Selection and Staffing; Courts and Trials; Lawfulness; Lawsuits and Litigation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Market Entry and Exit; Public Ownership; Problems and Challenges; Strategy; Business Strategy; Competition; Competitive Strategy; Competitive Advantage; Consolidation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Value; Chemical Industry; Construction Industry; Consumer Products Industry; Electronics Industry; Energy Industry; Industrial Products Industry; Manufacturing Industry; Medical Devices and Supplies Industry; Mining Industry; Pharmaceutical Industry; Semiconductor Industry; Telecommunications Industry; Utilities Industry; Republic of Ireland; Switzerland; Bermuda; United States; New Hampshire
Wells, John R., and Gabriel Ellsworth. "The Six CEOs of Tyco International Ltd." Harvard Business School Case 717-459, January 2017.
- November 2016 (Revised February 2017)
- Case
BrightStar Care: The Evolution of a Leadership Team
By: Boris Groysberg, Colleen Ammerman and John D. Vaughan
BrightStar Care was a rapidly growing franchise of home health care agencies. Founded by husband and wife team JD and Shelly Sun as a single agency near Chicago in 2002, BrightStar had opened nearly 300 franchises across the United States by 2016, generating over $300... View Details
Keywords: Health Care Services; Entrepreneurs; Board Of Directors; Boards Of Directors; Health Care Industry; Growth Strategy; Organizational Change; Brand Positioning; Entrepreneurial Organizations; Entrepreneurial Management; Franchising; Family-owned Business; Home Health Care; Managing Growth; Management Styles; Organizational Development; Talent Management; Women Executives; Women And Leadership; Business Startups; Family Business; Small Business; Talent and Talent Management; Governing and Advisory Boards; Health Care and Treatment; Human Capital; Leadership Development; Leadership Style; Business or Company Management; Growth and Development Strategy; Management Analysis, Tools, and Techniques; Management Skills; Management Style; Management Succession; Management Systems; Management Teams; Brands and Branding; Marketing Strategy; Strategy
Groysberg, Boris, Colleen Ammerman, and John D. Vaughan. "BrightStar Care: The Evolution of a Leadership Team." Harvard Business School Case 417-020, November 2016. (Revised February 2017.)
- 09 Jan 2018
- Working Paper Summaries
Identifying Sources of Inefficiency in Health Care
- June 2018 (Revised June 2018)
- Case
Facebook Confronts a Crisis of Trust
By: William W. George and Amram Migdal
The case, “Facebook Confronts a Crisis of Trust,” starts with the crisis Facebook founder and CEO Mark Zuckerberg is facing in March 2018 over Cambridge Analytica’s accessing data from 87 million Facebook accounts in order to influence the 2016 U.S. Presidential... View Details
Keywords: Facebook; Data Privacy; Data Manipulation; Data Science; Political Campaigns; Political Influence; Voter Mobilization; Voters' Interests; Election Outcomes; Elections; Cambridge Analytica; Mark Zuckerberg; Sheryl Sandberg; Voting; Decision Making; Demographics; Ethics; Geopolitical Units; Government and Politics; Government Legislation; National Security; Political Elections; Information Management; Leadership; Leadership Style; Crisis Management; Social Psychology; Personal Characteristics; Power and Influence; Society; Public Opinion; Technology Industry; United States; United Kingdom
George, William W., and Amram Migdal. "Facebook Confronts a Crisis of Trust." Harvard Business School Case 318-145, June 2018. (Revised June 2018.)
- March 2008
- Case
The Multiple Sclerosis Center of Atlanta
By: Regina E. Herzlinger and Alfred Martin
The Multiple Sclerosis Center of Atlanta wishes to expand beyond Georgia. The factors influencing this decision are discussed, including drug treatments currently available, and the impact of future drugs in the FDA pipeline as well as financing issues. View Details
Keywords: Decision Choices and Conditions; Financing and Loans; Health Care and Treatment; Health Disorders; Medical Specialties; Expansion; Health Industry; Atlanta
Herzlinger, Regina E., and Alfred Martin. "The Multiple Sclerosis Center of Atlanta." Harvard Business School Case 308-085, March 2008.