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- July 2023
- Article
Design and Analysis of Switchback Experiments
By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted...
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- June 2023
- Supplement
Roche: ESG and Access to Healthcare
By: George Serafeim
In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first ESG 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...
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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
- June 2023
- Simulation
Artea Dashboard and Targeting Policy Evaluation
By: Ayelet Israeli and Eva Ascarza
Companies deploy A/B experiments to gain valuable insights about their customers in order to answer strategic business problems. In marketing, A/B tests are often used to evaluate marketing interventions intended to generate incremental outcomes for the firm. The Artea...
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Keywords:
Algorithm Bias;
Algorithmic Data;
Race And Ethnicity;
Experimentation;
Promotion;
Marketing And Society;
Big Data;
Privacy;
Data-driven Management;
Data Analysis;
Data Analytics;
E-Commerce Strategy;
Discrimination;
Targeted Advertising;
Targeted Policies;
Pricing Algorithms;
A/B Testing;
Ethical Decision Making;
Customer Base Analysis;
Customer Heterogeneity;
Coupons;
Marketing;
Race;
Gender;
Diversity;
Customer Relationship Management;
Marketing Communications;
Advertising;
Decision Making;
Ethics;
E-commerce;
Analytics and Data Science;
Retail Industry;
Apparel and Accessories Industry;
United States
- March 2023
- Case
MrBeast: Building a YouTube Empire
By: Anita Elberse and Oliver Band
Wednesday November 16, 2022 was a historic day in the ascent of Jimmy Donaldson, better known as MrBeast, to the top echelon of YouTube creators. That day he became the YouTuber with the most subscribers ever—a total of 112 million. The meteoric rise of the 24-year-old...
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- March 2023
- Case
Innovation at Google Ads: The Sales Acceleration and Innovation Labs (SAIL) (A)
By: Linda A. Hill and Emily Tedards
In 2018, Ana Owczarzak was appointed to lead Google Ads' new innovation and accelerator team - the Sales Acceleration and Innovation Labs (SAIL). The purpose of SAIL was to offer testing and incubation services for individuals within Google Ads who were developing new...
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- March 2023
- Case
Roche: ESG 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 ESG 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...
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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
- 2023
- Working Paper
Sending Signals: Strategic Displays of Warmth and Competence
By: Bushra S. Guenoun and Julian J. Zlatev
Using a combination of exploratory and confirmatory approaches, this research examines how
people signal important information about themselves to others. We first train machine learning
models to assess the use of warmth and competence impression management...
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- February 2023
- Case
Roblox: Virtual Commerce in the Metaverse
By: Ayelet Israeli and Nicole Tempest Keller
In 2022, Roblox had 58.8 million daily active users, including over half of all children and teens under the age of 16 in the United States. Roblox, a free-to-use “co-experience platform”, allowed users to come together in immersive 3D experiences to socialize, work,...
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Keywords:
Entertainment;
Games, Gaming, and Gambling;
Market Design;
Marketing;
Brands and Branding;
Marketing Channels;
Marketing Strategy;
Business Strategy;
Economics;
Economy;
Economic Systems;
Advertising;
Advertising Campaigns;
Digital Platforms;
Markets;
Price;
Innovation and Management;
Entertainment and Recreation Industry;
Video Game Industry;
Technology Industry;
United States;
California;
North America;
South America;
Asia;
Europe
- 2023
- Working Paper
Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education
By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla
We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing...
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- January–February 2023
- Article
External Interfaces and Internal Processes: Market Positioning and Divergent Professionalization Paths in Young Ventures
By: Alicia DeSantola, Ranjay Gulati and Pavel Zhelyazkov
We explore how the initial market positioning of entrepreneurial ventures shapes how they professionalize over time, focusing specifically on the development of functional roles. In contrast to existing literature, which has presumed a uniform march toward...
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- December 2022
- Article
I Don't 'Recall': The Decision to Delay Innovation Launch to Avoid Costly Product Failure
By: Byungyeon Kim, Oded Koenigsberg and Elie Ofek
Innovations embody novel features or cutting-edge components aimed at delivering desired customer benefits.
Oftentimes, however, we observe the need to recall new products shortly after their introduction. Indeed, a firm
may rush an innovation to market in an attempt...
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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...
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- 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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- 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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- 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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- 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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- 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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- 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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- 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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- 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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