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Publications
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- Faculty Publications (15)
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- 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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- February 2021
- Article
Trust and Disintermediation: Evidence from an Online Freelance Marketplace
By: Grace Gu and Feng Zhu
As an intermediary improves trust between the two sides of its market to facilitate matching and transactions, it faces an increased risk of disintermediation: with sufficient trust, the two sides may circumvent the intermediary to avoid the intermediary’s fees. In...
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- January 2021 (Revised August 2021)
- Case
ByteDance: TikTok and the Trials of Going Viral
By: William C. Kirby and John P. McHugh
In 2020, TikTok became the most valuable start-up ever. The short-form, video-sharing social media platform emerged as the crown jewel of the Chinese technology firm ByteDance, realizing 850 million monthly users and an estimated worth of $180 billion. However, a...
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Keywords:
China;
Technology;
Startup;
Start-up;
International Strategy;
Global Strategy And Leadership;
Innovation;
Political Risk;
Regulations;
Trump;
Foreign Policy;
Foreign Investment;
Chinese Internet Market;
Global Strategy;
Crisis Management;
Risk and Uncertainty;
Entrepreneurship;
Globalized Economies and Regions;
Government Legislation;
Innovation and Management;
Governing Rules, Regulations, and Reforms;
Internet and the Web;
Social Media;
Technology Industry;
China;
United States
- October 2020 (Revised June 2021)
- Case
COVID-19 Testing at Everlywell
By: Jeffrey J. Bussgang and Olivia Hull
In March 2020, as COVID-19 spreads rapidly across the U.S., Everlywell founder Julia Cheek considers how to respond as a small start-up specializing in at-home lab testing. After making dramatic budget cuts, she decides to pivot the organization to address the...
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Keywords:
Entrepreneurship;
Business Strategy;
Venture Capital;
Health Care and Treatment;
Health Disorders;
Leading Change;
Technology Adoption;
Digital Platforms;
Competitive Strategy;
Science;
Adaptation;
Corporate Social Responsibility and Impact;
Crisis Management;
Social Entrepreneurship;
Ethics;
Government Legislation;
Health;
Health Testing and Trials;
Health Pandemics;
Consumer Products Industry;
Health Industry;
Technology Industry;
Texas;
United States
- September 2020 (Revised September 2021)
- Supplement
Student Success at Georgia State University (B)
By: Michael W. Toffel, Robin Mendelson and Julia Kelley
This is a supplement to the Student Success at Georgia State University (A) case. The (B) case includes the results of a randomized control trial that Georgia State conducted to test education technology start-up AdmitHub’s chatbot solution as a strategy for improving...
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Keywords:
Education;
Higher Education;
Learning;
Curriculum and Courses;
Demographics;
Diversity;
Ethnicity;
Income;
Race;
Values and Beliefs;
Leadership;
Goals and Objectives;
Measurement and Metrics;
Operations;
Organizations;
Mission and Purpose;
Organizational Culture;
Outcome or Result;
Performance;
Performance Effectiveness;
Performance Evaluation;
Performance Improvement;
Planning;
Strategic Planning;
Social Enterprise;
Nonprofit Organizations;
Social Issues;
Wealth and Poverty;
Equality and Inequality;
Information Technology;
Digital Platforms;
Education Industry;
Atlanta
- December 2019
- Technical Note
Technical Note on Bayesian Statistics and Frequentist Power Calculations
By: Amitabh Chandra and Ariel Dora Stern
This Technical Note provides an introduction to Bayes’ Rule and the statistical intuition that stems from it. In this note, we review the concepts that underlie Bayesian statistics, and we offer several simple mathematical examples to illustrate applications of Bayes’...
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- October 2019
- Article
Adaptive Platform Trials: Definition, Design, Conduct and Reporting Considerations
By: Derek C. Angus, Brian M. Alexander, Scott Berry, Meredith Buxton, Roger Lewis, Melissa Paoloni, Steven A. R. Webb, Steven Arnold, Anna Barker, Donald A. Berry, Marc J. M. Bonten, Mary Brophy, Christopher Butler, Timothy F. Cloughesy, Lennie P. G. Derde, Laura J. Esserman, Ryan Ferguson, Louis Fiore, Sarah C. Gaffey, J. Michael Gaziano, Kathy Giusti, Herman Goossens, Stephane Heritier, Bradley Hyman, Michael Krams, Kay Larholt, Lisa M. LaVange, Philip Lavori, Andrew W. Lo, Alexander J. London, Victoria Manax, Colin McArthur, Genevieve O’Neill, Giovanni Parmigiani, Jane Perlmutter, Elizabeth A. Petzold, Craig Ritchie, Kathryn M. Rowan, Christopher W. Seymour, Nathan I. Shapiro, Diane M. Simeone, Bradley Smith, Bradley Spellberg, Ariel Dora Stern, Lorenzo Trippa, Mark Trusheim, Kert Viele, Patrick Y. Wen and Janet Woodcock
Researchers, clinicians, policymakers, and patients are increasingly interested in questions about therapeutic interventions that are difficult or costly to answer with traditional, free-standing, parallel-group randomized controlled trials (RCTs). Examples include...
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- September 2019
- Supplement
Adaptive Platform Trials: The Clinical Trial of the Future? (B)
By: Ariel D. Stern and Sarah Mehta
This case provides an update to the (A) case, which introduces students to adaptive platform trials, an ambitious, more efficient type of clinical trial that increases access to therapies. The (A) case centers on Dr. Brian Alexander’s efforts to launch an adaptive...
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- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are...
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- March 2018
- Teaching Note
Adaptive Platform Trials: The Clinical Trial of the Future?
By: Ariel D. Stern and Sarah Mehta
This teaching note provides guidance and recommendations for teaching HBS Case No. 618-025, entitled “Adaptive Platform Trials: The Clinical Trial of the Future?”
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- March 2018
- Teaching Note
Twine Health
By: Robert S. Huckman and Ariel D. Stern
In late 2014, Dr. John Moore (CEO), Frank Moss (chairman), and Scott Gilroy (CTO) of Twine Health (Twine) had to resolve several challenges that threatened to restrict the widespread dissemination of its sole product, Twine. Twine was a cloud-based platform that...
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- September 2017 (Revised January 2018)
- Case
Adaptive Platform Trials: The Clinical Trial of the Future?
By: Ariel D. Stern and Sarah Mehta
In July 2017, Dr. Brian M. Alexander, president and CEO of the AGILE Research Foundation, was preparing to launch a new type of clinical trial—an adaptive platform trial—to study potential therapies for glioblastoma (GBM), an aggressive form of brain cancer....
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- March 2015
- Case
Twine Health
By: Robert S. Huckman, Ariel D. Stern and Matthew G. Preble
In late 2014, Dr. John Moore (CEO), Frank Moss (chairman), and Scott Gilroy (CTO) of Twine Health (Twine) had to resolve several challenges that threatened to restrict the widespread dissemination of its sole product, Twine. Twine was a cloud-based platform that...
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- November 2009 (Revised August 2010)
- Case
NovoCure Ltd.
By: William A. Sahlman and Sarah Flaherty
Venture capitalist William Doyle must raise $35 million for a portfolio company with a promising, novel cancer therapy, just as global capital markets are imploding in the fall of 2008. NovoCure, Ltd., has developed an electrical-field-based therapy, called Tumor...
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- Forthcoming
- Article
So, Who Likes You? Evidence from a Randomized Field Experiment
By: Ravi Bapna, Edward McFowland III, Probal Mojumder, Jui Ramaprasad and Akhmed Umyarov
With one-third of marriages in the United States beginning online, online dating platforms have become important curators of the modern social fabric. Prior work on online dating has elicited two critical frictions in the heterosexual dating market. Women, governed by...
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