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All HBS Web
(1,226)
- Faculty Publications (228)
- September 2022
- Article
A Spanner in the Works: Category-Spanning Entrants and Audience Valuation of Incumbents
By: Rory M. McDonald and Ryan T. Allen
Previous work has examined how audiences evaluate category-spanning organizations, but little is known about how their entrance affects evaluations of other, proximate organizations. We posit that the emergence of category-spanning entrants signals the advent of an...
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Keywords:
Emerging Industries;
Industry Dynamics;
Organization And Management Theory;
Technology Strategy;
Technology And Innovation Management;
Entrepreneurship;
Information Technology;
Strategy;
Management;
Theory;
Innovation and Management
McDonald, Rory M., and Ryan T. Allen. "A Spanner in the Works: Category-Spanning Entrants and Audience Valuation of Incumbents." Strategy Science 7, no. 6 (September 2022): 190–209.
- September 2022
- Article
Experimentation and Startup Performance: Evidence from A/B Testing
By: Rembrand Koning, Sharique Hasan and Aaron Chatterji
Recent scholarship has argued that experimentation should be the organizing principle for entrepreneurial strategy. Experimentation leads to organizational learning, which drives improvements in firm performance. We investigate this proposition by exploiting the...
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Keywords:
Experimentation;
A/B Testing;
Data-driven Decision-making;
Organizational Learning;
Entrepreneurship;
Strategy;
Business Startups;
Learning;
Performance;
Decision Making
Koning, Rembrand, Sharique Hasan, and Aaron Chatterji. "Experimentation and Startup Performance: Evidence from A/B Testing." Management Science 68, no. 9 (September 2022): 6434–6453.
- September 2022
- Article
Health Externalities and Policy: The Role of Social Preferences
By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi
Social preferences facilitate the internalization of health externalities, for example by reducing mobility during a pandemic. We test this hypothesis using mobility data from 258 cities worldwide alongside experimentally validated measures of social preferences....
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Keywords:
Social Preferences;
Pandemics;
Mobility;
Health Externalities;
Mitigation Policies;
Health Pandemics;
Cooperation;
Behavior;
Policy
Alfaro, Laura, Ester Faia, Nora Lamersdorf, and Farzad Saidi. "Health Externalities and Policy: The Role of Social Preferences." Management Science 68, no. 9 (September 2022): 6751–6761.
- Article
A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies
By: Katherine L. Milkman, Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Encouraging vaccination is a pressing policy problem. To assess whether text-based reminders can encourage pharmacy vaccination and what kinds of messages work best, we conducted a megastudy. We randomly assigned 689,693 Walmart pharmacy patients to receive one of 22...
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Keywords:
Vaccination;
Vaccines;
Nudges;
Communication Strategy;
Communication Technology;
Consumer Behavior;
Health Care and Treatment
Milkman, Katherine L., Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies." e2115126119. Proceedings of the National Academy of Sciences 119, no. 6 (February 8, 2022).
- January 17, 2022
- Article
Reducing Racial Disparities in Cancer Outcomes
By: Kathy Giusti and Richard G. Hamermesh
A disproportionate number of Black patients die from cancer in the United States. A key to addressing this problem is enrolling more Black patients in clinical trials. A strategy consisting of these three parts can help accomplish this goal: 1) centralize information...
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Giusti, Kathy, and Richard G. Hamermesh. "Reducing Racial Disparities in Cancer Outcomes." Harvard Business Review (website) (January 17, 2022).
- 2022
- Working Paper
Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking
By: Jonathan Wallen and John Hatfield
We investigate the relationship between the interest rates offered to consumers in a deposit banking market and the contact that banks in that market have with each other in other markets.
We show, in a simple theoretical model, that such overlapping relationships...
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Keywords:
Antitrust;
Deposit Banking;
Market Power;
Multimarket Contact;
Banks and Banking;
Markets;
Competition
Wallen, Jonathan, and John Hatfield. "Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking." Working Paper, January 2022.
- 2021
- Working Paper
The Business of K-12 Education in China
By: Geoffrey Jones and Yuhai Wu
This working paper examines the evolution of K-12 education in China, especially between 1985 and the present day, drawing extensive interviews with participants in the educational sector. China has been hugely successful in reaching almost 100 percent literacy,...
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Keywords:
K-12 Education;
China;
Real Estate;
Early Childhood Education;
Performance Evaluation;
Teaching;
Governing Rules, Regulations, and Reforms;
Personal Development and Career;
Social Issues;
Nonprofit Organizations;
Private Sector;
Education Industry;
Real Estate Industry;
China
Jones, Geoffrey, and Yuhai Wu. "The Business of K-12 Education in China." Harvard Business School Working Paper, No. 22-022, October 2021.
- October 2021 (Revised February 2022)
- Case
upGrad: Delivering Career Outcomes Online: Degree by Degree
By: John J-H Kim, Anjali Raina and Rachna Chawla
In August 2021, the founders of upGrad, the latest unicorn in the Indian higher education online space, were deciding how to best use the funds to execute on their ambitious growth plans. Ronnie Screwvala, Mayank Kumar and Phalgun Kompalli had envisioned upGrad as an...
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Keywords:
Unicorns;
COVID-19 Pandemic;
Higher Education;
Internet and the Web;
Spending;
Growth and Development Strategy;
Education Industry;
India
Kim, John J-H, Anjali Raina, and Rachna Chawla. "upGrad: Delivering Career Outcomes Online: Degree by Degree." Harvard Business School Case 322-054, October 2021. (Revised February 2022.)
- August 2021
- Case
Orchadio’s First Two Split Experiments
By: Iavor I. Bojinov, Marco Iansiti and David Lane
Orchadio, a direct-to-consumer grocery business, needs to conduct its first two A/B tests—one to evaluate the effectiveness and functioning of its newly redesigned website, and one to market-test four versions of a new banner for the website. To do so, it will rely on...
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Keywords:
Information Management;
Technological Innovation;
Knowledge Use and Leverage;
Resource Allocation;
Marketing;
Measurement and Metrics;
Customization and Personalization;
Information Technology;
Internet and the Web;
Digital Platforms;
Information Technology Industry;
Food and Beverage Industry
Bojinov, Iavor I., Marco Iansiti, and David Lane. "Orchadio’s First Two Split Experiments." Harvard Business School Case 622-015, August 2021.
- July 2021
- Supplement
Adaptive Platform Trials: The Clinical Trial of the Future? (C)
By: Ariel D. Stern and Sarah Mehta
This (C) case provides an update on the work of the Global Coalition for Adaptive Research (GCAR) and also illustrates how adaptive platform trials can nimbly respond to a global pandemic.
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Keywords:
Clinical Trials;
Drug Trials;
Drug Testing;
Cancer Trials;
Glioblastoma;
Platform Trials;
Adaptive Trials;
Adaptive Platform Trials;
Health Testing and Trials;
Health Care and Treatment;
Business Strategy;
Health Industry;
United States
Stern, Ariel D., and Sarah Mehta. "Adaptive Platform Trials: The Clinical Trial of the Future? (C)." Harvard Business School Supplement 622-012, July 2021.
- 2021
- Working Paper
Dirty Money: How Banks Influence Financial Crime
By: Joseph Pacelli, Janet Gao, Jan Schneemeier and Yufeng Wu
On September 21st, 2020, a consortium of international journalists leaked nearly 2,500 suspicious activity reports (SAR) obtained from the U.S. Financial Crimes Enforcement Network, exposing nearly $2 trillion of money laundering activity. The event raises important...
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Pacelli, Joseph, Janet Gao, Jan Schneemeier, and Yufeng Wu. "Dirty Money: How Banks Influence Financial Crime." Working Paper, July 2021.
- July 2021
- Article
Information Transparency, Multihoming, and Platform Competition: A Natural Experiment in the Daily Deals Market
By: Hui Li and Feng Zhu
Platform competition is shaped by the likelihood of multi-homing (i.e., complementors or consumers adopt more than one platform). To take advantage of multi-homing, platform firms often attempt to motivate their rivals’ high-performing complementors to adopt their own...
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Keywords:
Platform Competition;
Multi-homing;
Information Transparency;
Daily Deals;
Groupon;
LivingSocial;
Digital Platforms;
Information;
Competition
Li, Hui, and Feng Zhu. "Information Transparency, Multihoming, and Platform Competition: A Natural Experiment in the Daily Deals Market." Management Science 67, no. 7 (July 2021): 4384–4407.
- July 2021
- Article
Making Medications Stick: Improving Medication Adherence by Highlighting the Personal Health Costs of Non-compliance
By: Jon M. Jachimowicz, Joe J. Gladstone, Dan Berry, Charlotte L. Kirkdale, Tracey Thornley and Adam D. Galinsky
Poor compliance of prescription medication is an ongoing public health crisis. Nearly half of patients do not take their medication as prescribed, harming their own health while also increasing public health care costs. Despite these detrimental consequences, prior...
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Keywords:
Prescription Drugs;
Medication Adherence;
Personal Health Costs;
Health;
Behavior;
Motivation and Incentives;
Communication Strategy
Jachimowicz, Jon M., Joe J. Gladstone, Dan Berry, Charlotte L. Kirkdale, Tracey Thornley, and Adam D. Galinsky. "Making Medications Stick: Improving Medication Adherence by Highlighting the Personal Health Costs of Non-compliance." Behavioural Public Policy 5, no. 3 (July 2021): 396–416.
- June 23, 2021
- Article
Research: When A/B Testing Doesn't Tell You the Whole Story
By: Eva Ascarza
When it comes to churn prevention, marketers traditionally start by identifying which customers are most likely to churn, and then running A/B tests to determine whether a proposed retention intervention will be effective at retaining those high-risk customers. While...
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Keywords:
Customer Retention;
Churn;
Targeting;
Market Research;
Marketing;
Investment Return;
Customers;
Retention;
Research
Ascarza, Eva. "Research: When A/B Testing Doesn't Tell You the Whole Story." Harvard Business Review Digital Articles (June 23, 2021).
- June 11, 2021
- Article
Addressing Demographic Disparities in Clinical Trials
By: Kathy Giusti, Richard G. Hamermesh and Mark Krasnow
Disparities in health care are not just limited to the delivery of care. They also exist in the way that clinical trials are structured. Women, people of color, and the elderly often are not adequately represented. This article offers three strategies for addressing...
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Giusti, Kathy, Richard G. Hamermesh, and Mark Krasnow. "Addressing Demographic Disparities in Clinical Trials." Harvard Business Review Digital Articles (June 11, 2021).
- Article
A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment
By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via...
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Keywords:
Vaccination;
COVID-19;
Nudge;
Influenza;
Field Experiment;
Health;
Communication Strategy;
Behavior
Milkman, Katherine L., Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment." e2101165118. Proceedings of the National Academy of Sciences 118, no. 20 (May 18, 2021).
- April 2021
- Teaching Note
Thingtesting: Launching a Brand Discovery and Testing Digital Community
By: Ayelet Israeli and Jill Avery
Teaching Note for the "Thingtesting: Launching a Brand Discovery and Testing Digital Community" HBS Case No. 520-086.
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Keywords:
Influencer Marketing;
Influencers;
Influencer;
Monetization;
Monetization Strategy;
Female;
Female Entrepreneur;
Female Protagonist;
Direct-to-consumer;
Marketing;
Brands and Branding;
Marketing Strategy;
Venture Capital;
Entrepreneurship;
Marketing Communications;
Consumer Products Industry;
Financial Services Industry;
Advertising Industry;
London;
United Kingdom;
Europe;
North America
- April–May 2021
- Article
Labor Mobility and Antitakeover Provisions
By: Aiyesha Dey and Joshua White
How do firms protect their human capital? We test whether firms facing an increased threat of being acquired strengthen their antitakeover provisions (ATPs) in order to bond with their employees. We use the adoption of the Inevitable Disclosure Doctrine (IDD) by U.S....
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Keywords:
Labor Mobility;
Antitakeover Provisions;
Trade Secrets;
Implicit Contracting;
Employee Bonding;
Corporate Governance;
Acquisition;
Human Capital;
Strategy;
Innovation and Invention;
Intellectual Property;
Safety
Dey, Aiyesha, and Joshua White. "Labor Mobility and Antitakeover Provisions." Art. 101388. Journal of Accounting & Economics 71, nos. 2-3 (April–May 2021).
- March 2021
- Supplement
Artea (A), (B), (C), and (D): Designing Targeting Strategies
By: Eva Ascarza and Ayelet Israeli
Power Point Supplement to Teaching Note for HBS No. 521-021,521-022,521-037,521-043. This collection of exercises aims to teach students about 1)Targeting Policies; and 2)Algorithmic bias in marketing—implications, causes, and possible solutions. Part (A) focuses on...
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Keywords:
Targeted Advertising;
Targeting;
Algorithmic Data;
Bias;
A/B Testing;
Experiment;
Advertising;
Gender;
Race;
Diversity;
Marketing;
Customer Relationship Management;
Prejudice and Bias;
Analytics and Data Science;
Retail Industry;
Apparel and Accessories Industry;
Technology Industry;
United States
- January–February 2021
- Article
Cross‐firm Return Predictability and Accounting Quality
By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim
We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both...
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Keywords:
Accounting Quality;
Earnings Quality;
Stock Returns;
Investment Strategy;
Accounting;
Business Earnings;
Quality;
Investment Return;
Investment;
Strategy
Chen, Wen, Mozaffar Khan, Leonid Kogan, and George Serafeim. "Cross‐firm Return Predictability and Accounting Quality." Journal of Business Finance & Accounting 48, nos. 1-2 (January–February 2021): 70–101.