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Publications

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    • All HBS Web  (1,181)
      • Faculty Publications  (218)

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      • November 2022
      • Case

      GE: A New Way Forward?

      By: David J. Collis and Haisley Wert
      One of the most iconic American companies, General Electric (GE) was founded in 1892 in New York state. Named among the original dozen companies on the Dow Jones index in 1896, it was the list’s most tenacious holdout, maintaining its “blue chip” stock status for over...  View Details
      Keywords: Strategy; GE; Conglomerate; Conglomerates; Corporate Strategy; Management; History; Leadership; Problems and Challenges; Change Management; Transformation; Strategic Planning; Value Creation; New York (state, US)
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      Collis, David J., and Haisley Wert. "GE: A New Way Forward?" Harvard Business School Case 723-373, November 2022.
      • 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...  View Details
      Keywords: Emerging Industries; Industry Dynamics; Organization And Management Theory; Technology Strategy; Technology And Innovation Management; Entrepreneurship; Information Technology; Strategy; Management; Theory; Innovation and Management
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      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...  View Details
      Keywords: Experimentation; A/B Testing; Data-driven Decision-making; Organizational Learning; Entrepreneurship; Strategy; Business Startups; Learning; Performance; Decision Making
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      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....  View Details
      Keywords: Social Preferences; Pandemics; Mobility; Health Externalities; Mitigation Policies; Health Pandemics; Cooperation; Behavior; Policy
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      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 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...  View Details
      Keywords: Vaccination; Vaccines; Nudges; Communication Strategy; Communication Technology; Consumer Behavior; Health Care and Treatment
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      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 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." 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...  View Details
      Keywords: Cancer Trials; Racial Disparity; Health Testing and Trials; Race; Strategy
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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...  View Details
      Keywords: Antitrust; Deposit Banking; Market Power; Multimarket Contact; Banks and Banking; Markets; Competition
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      Wallen, Jonathan, and John Hatfield. "Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking." Working Paper, January 2022.
      • December 2021
      • Case

      Green Monday

      By: José B. Alvarez, Billy Chan and Dawn H. Lau
      This case describes the entrepreneurial journey of David Yeung, from campaigning for plant-based diets to building Green Monday, a purpose-driven business and an ecosystem based in Hong Kong comprising a retail platform, an alternative meat brand (“OmniPork”), a...  View Details
      Keywords: Agribusiness; Plant-Based Agribusiness; Social Enterprise; Entrepreneurship; Business Startups; Business Model; Mission and Purpose; Growth and Development Strategy; Agriculture and Agribusiness Industry; Food and Beverage Industry; Retail Industry; Hong Kong; China; Asia
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      Alvarez, José B., Billy Chan, and Dawn H. Lau. "Green Monday." Harvard Business School Case 522-056, December 2021.
      • 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,...  View Details
      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
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      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...  View Details
      Keywords: Unicorns; COVID-19 Pandemic; Higher Education; Internet and the Web; Spending; Growth and Development Strategy; Education Industry; India
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      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...  View Details
      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
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      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.  View Details
      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
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      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...  View Details
      Keywords: Financial Institutions; Crime and Corruption; Policy
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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...  View Details
      Keywords: Platform Competition; Multi-homing; Information Transparency; Daily Deals; Groupon; LivingSocial; Digital Platforms; Information; Competition
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      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...  View Details
      Keywords: Prescription Drugs; Medication Adherence; Personal Health Costs; Health; Behavior; Motivation and Incentives; Communication Strategy
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      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...  View Details
      Keywords: Customer Retention; Churn; Targeting; Market Research; Marketing; Investment Return; Customers; Retention; Research
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      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...  View Details
      Keywords: Health Testing and Trials; Demographics
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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...  View Details
      Keywords: Vaccination; COVID-19; Nudge; Influenza; Field Experiment; Health; Communication Strategy; Behavior
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      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.  View Details
      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
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      Israeli, Ayelet, and Jill Avery. "Thingtesting: Launching a Brand Discovery and Testing Digital Community." Harvard Business School Teaching Note 521-094, April 2021.
      • 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....  View Details
      Keywords: Labor Mobility; Antitakeover Provisions; Trade Secrets; Implicit Contracting; Employee Bonding; Corporate Governance; Acquisition; Human Capital; Strategy; Innovation and Invention; Intellectual Property; Safety
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      Dey, Aiyesha, and Joshua White. "Labor Mobility and Antitakeover Provisions." Art. 101388. Journal of Accounting & Economics 71, nos. 2-3 (April–May 2021).
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