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Skip to content The HBS Digital Initiative brings together perspectives across disciplines to help people understand how technology is transforming...
- 2021
- Working Paper
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as...
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- April 2021
- Case
Social Media War 2021: Snap vs. Facebook vs. TikTok
By: David B. Yoffie and Daniel Fisher
This case explores the competitive war between Snap, Facebook, and TikTok in 2021. The strategic focus is on Snapchat: how should it respond to the emergence of TikTok, and how should it compete with the dominant competitor in its space - Facebook. The case examines...
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- 2021
- Working Paper
The Emergence of Mafia-like Business Systems in China
By: Meg Rithmire and Hao Chen
A large literature on state-business relations in China has examined the political role of capitalists and collusion between the state and the private sector. This paper contributes to that literature, and our understanding of the internal differentiation among China’s...
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- March 2021
- Article
Targeted Price Controls on Supermarket Products
By: Alberto Cavallo and Diego Aparicio
We study the impact of targeted price controls for supermarket products in Argentina from 2007 to 2015. Using web scraping, we collected daily prices for controlled and non-controlled goods and measured the differential effects on inflation, product availability, and...
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Keywords:
Prices;
Controls;
Price Dispersion;
Economics;
Price;
Cost Management;
Goods and Commodities;
Retail Industry;
Argentina
- February 2021
- Case
White Claw: Defending Market Share as Competition Encroaches
By: Jill Avery
By the end of 2019, two brands accounted for 84% of hard seltzer sales, a segment that had recently taken the U.S. beer market by storm, growing from $3 million in 2015 to over $2.7 billion by the start of the summer of 2020. White Claw was the dominant market leader...
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Keywords:
Brand Management;
Alcoholic Beverages;
Beer/brewing Industry;
Brand Positioning;
Growth;
Competitive Positioning;
Consumer Products;
Beverage Industry;
Value Proposition;
Marketing;
Brands and Branding;
Competition;
Product Positioning;
Competitive Strategy;
Consumer Behavior;
Consumer Products Industry;
Food and Beverage Industry;
United States
- February 2021
- Tutorial
Assessing Prediction Accuracy of Machine Learning Models
By: Michael Toffel and Natalie Epstein
This video describes how to assess the accuracy of machine learning prediction models, primarily in the context of machine learning models that predict binary outcomes, such as logistic regression, random forest, or nearest neighbor models. After introducing and...
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- 2021
- Working Paper
Competitive Two-Part Tariffs
By: Jorge Tamayo and Guofu Tan
We study competitive two-part tariffs in a model of asymmetric duopoly firms that offer (vertically and horizontally) differentiated products. We show that the sign of the markup for each product depends on the average expected demand among all customers as well as the...
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- 2021
- Working Paper
Exclusive Dealing and Entry by Competing Two-Sided Platforms
By: Cristian Chica, Kenneth Chuk and Jorge Tamayo
We study competition between horizontally differentiated platforms offering exclusive and non-exclusive contracts to one side of the market (content providers). The introduction of non-exclusive contracts in addition to exclusive contracts softens the competition for...
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- February 2021
- Article
Do Household Wealth Shocks Affect Productivity? Evidence from Innovative Workers During the Great Recession
By: S. Bernstein, T. McQuade and R. Townsend
We investigate how the deterioration of household balance sheets affects worker productivity, and, in turn, economic downturns. Specifically, we compare the output of innovative workers who experienced differential declines in housing wealth during the financial crisis...
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- December 2020
- Case
Urban Company
Urban Company is an India-based market platform that helps customers book home services and at home beauty services. The company differentiated itself by investing heavily in building customer trust. Rather than merely positioning itself as a lead generating...
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- 2020
- Working Paper
Aggregate Advertising Expenditure in the U.S. Economy: What's Up? Is It Real?
By: Alvin J. Silk and Ernst R. Berndt
The two components of the advertising industry—the creative sector that develops and produces messages, and the communications sector that transmits messages via various media—have each been greatly affected by advances in creative design and communications...
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- December 2020
- Article
Taking Innovation to the Streets: Micro-geography, Physical Structure and Innovation
By: Maria P. Roche
In this paper, we analyze how the physical layout of cities affects innovation by influencing the organization of knowledge exchange. We exploit a novel data set covering all Census Block Groups in the contiguous United States with information on innovation outcomes,...
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- December 2020
- Article
Different Founders, Different Firms: A Comparative Analysis of Academic and Non-academic Startups
By: Maria P. Roche, Annamaria Conti and Frank T. Rothaermel
What role do differences in founders' occupational backgrounds play in new venture performance? Analyzing a novel dataset of 2,998 founders creating 1,723 innovative startups in biomedicine, we find that the likelihood and hazard of achieving a liquidity event are...
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- 2020
- Working Paper
Dog Eat Dog: Measuring Network Effects Using a Digital Platform Merger
By: Chiara Farronato, Jessica Fong and Andrey Fradkin
Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We...
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- November 3, 2020
- Article
Gender Differences in COVID-19 Related Attitudes and Behavior: Evidence from a Panel Survey in Eight OECD Countries
By: Vincenzo Galasso, Vincent Pons, Paola Profeta, Michael Becher, Sylvain Brouard and Martial Foucault
Using original data from two waves of a survey conducted in March and April 2020 in eight OECD countries (N = 21,649), we show that women are more likely to see COVID-19 as a very serious health problem, to agree with restraining public policy measures adopted in...
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- November 2020
- Article
Casting Conference Calls
By: Lauren Cohen, Dong Lou and Christopher J. Malloy
We explore a subtle but important mechanism through which firms can control information flow to the markets. We find that firms that “cast” their conference calls by disproportionately calling on bullish analysts tend to underperform in the future. Firms that call on...
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- September 2020
- Case
Walmart Health: Scaling During a Pandemic
By: Robert S. Huckman, Yoonjin Min and Marissa Thiel
Amidst the onset of COVID-19 pandemic in the United States, Marcus Obsborne, Vice President for Health and Wellness Transformation at Walmart was planning to scale its new health care clinic business, Walmart Health, to additional locations in Georgia and beyond....
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- September 2020
- Case
Lojas Americanas: Project DNA and the 'People Machine'
By: Boris Groysberg, Eric Lin and Sarah L. Abbott
Lojas Americanas (“Americanas”) was one of the largest retailers in Brazil. Via its stores, digital platform and Innovation Engine, the company served more than 38 million people. In recent years, Americanas had enjoyed rapid growth; growing from 98 stores in 2001 to...
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- August 2020 (Revised February 2021)
- Case
Luckin Coffee (A): Caffeine-fueled Growth?
By: Ramon Casadesus-Masanell and Karen Elterman
This case describes the founding of Chinese coffee chain Luckin Coffee in 2017 and its path to surpassing Starbucks as the largest coffee chain in China (by number of stores) in 2019. Unlike Starbucks stores, which were designed to be welcoming “third places” for...
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Keywords:
Business Model;
Business Earnings;
Cost;
Cost Management;
Financial Statements;
Financial Condition;
Financial Management;
Stocks;
Profit;
Revenue;
Price;
Food;
Business History;
Employment;
Brands and Branding;
Product Positioning;
Marketing Strategy;
Business Strategy;
Expansion;
Competitive Strategy;
Food and Beverage Industry;
Technology Industry;
Asia;
China
- July 2020 (Revised November 2020)
- Case
Gera Developments: Leadership at a Crossroads
By: Christina R. Wing and John Masko
For decades, Gera Developments (Gera) was a boutique family-owned real estate development firm in Pune, India. But since 2000, managing director Rohit Gera had turned the company into a dynamic innovator in housing solutions for urban Indian families. Over the 2010s,...
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Keywords:
Buildings and Facilities;
Business Growth and Maturation;
Construction;
Geographic Location;
Global Strategy;
Globalized Firms and Management;
Housing;
Leadership Style;
Management Succession;
Organizational Change and Adaptation;
Organizational Culture;
Family Ownership;
Family and Family Relationships;
Urban Development;
Customization and Personalization;
Real Estate Industry;
Maharashtra;
India;
United States