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      • Faculty Publications  (257)

      Differentiation Remove Differentiation →

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      Hilton Hotels: Brand Differentiation through Customer Relationship Management
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      • 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...  View Details
      Keywords: Marketing; Brands And Branding; Brand Management; Alcoholic Beverages; Beer/brewing Industry; Competition; Competitive Strategy; Brand Positioning; Growth; Competitive Positioning; Consumer Products; Beverage Industry; Consumer Behavior; Value Proposition; Marketing; Brands And Branding; Competitive Strategy; Consumer Products Industry; Food And Beverage Industry; United States
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      Avery, Jill. "White Claw: Defending Market Share as Competition Encroaches." Harvard Business School Case 521-073, February 2021.
      • 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...  View Details
      Keywords: Machine Learning; Statistics; Experiments
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      Toffel, Michael, and Natalie Epstein. Assessing Prediction Accuracy of Machine Learning Models. Harvard Business School Tutorial 621-706, February 2021.
      • 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...  View Details
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      Tamayo, Jorge, and Guofu Tan. "Competitive Two-part Tariffs." Working Paper, February 2021.
      • 2021
      • Working Paper

      Exclusive Dealing and Entry by Competing Two-Sided Platforms

      By: Jorge Tamayo, Christian Chica and Kenneth Chuk
      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...  View Details
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      Tamayo, Jorge, Christian Chica, and Kenneth Chuk. "Exclusive Dealing and Entry by Competing Two-Sided Platforms." Working Paper, February 2021.
      • 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...  View Details
      Keywords: Great Recession; Household; Financial Condition; System Shocks; Employees; Performance Productivity
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      Bernstein, S., T. McQuade, and R. Townsend. "Do Household Wealth Shocks Affect Productivity? Evidence from Innovative Workers During the Great Recession." Journal of Finance 76, no. 1 (February 2021): 57–111.
      • December 2020
      • Case

      Urban Company

      By: Krishna G. Palepu
      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...  View Details
      Keywords: Entrepreneurship; Market Platforms; Emerging Markets; Strategy; Service Delivery; Trust; Technology Industry; Service Industry; India
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      Palepu, Krishna G. "Urban Company." Harvard Business School Case 121-041, December 2020.
      • 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,...  View Details
      Keywords: Microgeography; Innovation; Street Infrastructure; Knowledge Exchange; Interactions; Geography; City; Innovation And Invention; Knowledge Sharing
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      Roche, Maria P. "Taking Innovation to the Streets: Micro-geography, Physical Structure and Innovation." Review of Economics and Statistics 102, no. 5 (December 2020): 912–928.
      • 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...  View Details
      Keywords: Founders; Innovation; Occupational Imprinting; Academic Startups; Non-academic Startups; Founder Heterogeneity; Business Startups; Innovation And Invention; Performance; Demographics; Analysis
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      Roche, Maria P., Annamaria Conti, and Frank T. Rothaermel. "Different Founders, Different Firms: A Comparative Analysis of Academic and Non-academic Startups." Special Issue on Innovative Start-Ups and Policy Initiatives. Research Policy 49, no. 10 (December 2020).
      • 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...  View Details
      Keywords: Economy; Advertising; Spending; Media
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      Silk, Alvin J., and Ernst R. Berndt. "Aggregate Advertising Expenditure in the U.S. Economy: What's Up? Is It Real?" NBER Working Paper Series, No. 28161, December 2020.
      • 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...  View Details
      Keywords: Digital Platforms; Market Platforms; Network Effects; Measurement And Metrics
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      Farronato, Chiara, Jessica Fong, and Andrey Fradkin. "Dog Eat Dog: Measuring Network Effects Using a Digital Platform Merger." NBER Working Paper Series, No. 28047, November 2020.
      • 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...  View Details
      Keywords: Covid-19; Health Pandemics; Attitudes; Behavior; Gender; Policy; Governance Compliance
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      Galasso, Vincenzo, Vincent Pons, Paola Profeta, Michael Becher, Sylvain Brouard, and Martial Foucault. "Gender Differences in COVID-19 Related Attitudes and Behavior: Evidence from a Panel Survey in Eight OECD Countries." Proceedings of the National Academy of Sciences 117, no. 44 (November 3, 2020).
      • 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...  View Details
      Keywords: Strategic Release; Firms; Conference Calls; Information; Strategy; Asset Pricing
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      Cohen, Lauren, Dong Lou, and Christopher J. Malloy. "Casting Conference Calls." Management Science 66, no. 11 (November 2020): 5015–5039. (Winner of the First Prize, Crowell Memorial Award for Best Paper in Quantitative Investments, PanAgora Asset Management, 2014.)
      • 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....  View Details
      Keywords: Health Care And Treatment; Health Pandemics; Health; Service Delivery; Growth And Development Strategy; Health Industry; United States; Arkansas; Georgia (state, Us); Texas
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      Huckman, Robert S., Yoonjin Min, and Marissa Thiel. "Walmart Health: Scaling During a Pandemic." Harvard Business School Case 621-061, September 2020.
      • 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...  View Details
      Keywords: Retail; Data Analytics; Growth And Development; Data And Data Sets; Analysis; Training; Performance; Employees; Management; Human Resources; Leadership Development; Retail Industry; Brazil
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      Groysberg, Boris, Eric Lin, and Sarah L. Abbott. "Lojas Americanas: Project DNA and the 'People Machine'." Harvard Business School Case 421-038, September 2020.
      • 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,...  View Details
      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
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      Wing, Christina R., and John Masko. "Gera Developments: Leadership at a Crossroads." Harvard Business School Case 621-018, July 2020. (Revised November 2020.)
      • July 2020 (Revised January 2021)
      • Case

      Pattern Brands

      By: Sunil Gupta, Elie Ofek and Julia Kelley
      In March 2020, direct-to-consumer (DTC) company Pattern Brands needed to decide how to allocate resources across its different brands. Pattern Co-Founders Nick Ling and Emmett Shine hoped to avoid the pitfalls faced by some DTC companies—such as inability to scale and...  View Details
      Keywords: Direct-to-consumer; Brands And Branding; Marketing Channels; Marketing Strategy; Product Marketing; Product Launch; Product Positioning; Business Model; Business Startups; Growth And Development Strategy; Demand And Consumers; Business Strategy; Diversification; Competitive Advantage; Consumer Products Industry; Retail Industry; North And Central America; United States; New York (city, Ny); New York (state, Us)
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      Gupta, Sunil, Elie Ofek, and Julia Kelley. "Pattern Brands." Harvard Business School Case 521-009, July 2020. (Revised January 2021.)
      • Article

      Assessing the Food and Drug Administration's Risk-Based Framework for Software Precertification with Top Health Apps in the United States: Quality Improvement Study

      By: Noy Alon, Ariel Dora Stern and John Torous
      BACKGROUND: As the development of mobile health apps continues to accelerate, the need to implement a framework that can standardize categorizing these apps to allow for efficient, yet robust regulation grows. However, regulators and researchers are faced with numerous...  View Details
      Keywords: Mobile Health; Smartphone; Food And Drug Administration; Risk-based Framework; Health Care And Treatment; Mobile Technology; Software
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      Alon, Noy, Ariel Dora Stern, and John Torous. "Assessing the Food and Drug Administration's Risk-Based Framework for Software Precertification with Top Health Apps in the United States: Quality Improvement Study." JMIR mHealth and uHealth 8, no. 10 (October 2020).
      • 2020
      • Working Paper

      EMEs and COVID-19: Shutting Down in a World of Informal and Tiny Firms

      By: Laura Alfaro, Oscar Becerra and Marcela Eslava
      Emerging economies are characterized by an extremely high prevalence of informality, small-firm employment and jobs not fit for working from home. These features factor into how the COVID-19 crisis has affected the economy. We develop a framework that, based on...  View Details
      Keywords: Covid-19; Emerging Economies; Informality; Firm-size Distribution; Health Pandemics; Developing Countries And Economies; Economy; System Shocks; Latin America
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      Alfaro, Laura, Oscar Becerra, and Marcela Eslava. "EMEs and COVID-19: Shutting Down in a World of Informal and Tiny Firms." Harvard Business School Working Paper, No. 20-125, June 2020. (See application of the methodology to Latin American Countries in the IMF Regional Economic Outlook: Western Hemisphere 2020, Chapter 3. https://www.imf.org/en/Publications/REO/WH/Issues/2020/10/13/regional-economic-outlook-western-hemisphere.)
      • Article

      Are Cost Advantages from a Modern Indian Hospital Transferable to the United States?

      By: R. S. Kaplan, F. Erhun, V.G. Narayanan, B. Mistry and K. Brayton, et al
      We use time-driven activity-based costing to estimate the cost of personnel and space for an elective coronary artery bypass graft (CABG) surgery at two U.S. hospitals, Intermountain and Baylor Heart, and Narayana Health (NH), in India. All three hospitals use modern...  View Details
      Keywords: Time-driven Activity-based Costing; Health Care And Treatment; Cost; Organizational Structure; Performance Efficiency; India; United States
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      Kaplan, R. S., F. Erhun, V.G. Narayanan, B. Mistry, and K. Brayton, et al. "Are Cost Advantages from a Modern Indian Hospital Transferable to the United States?" American Heart Journal 224 (June 2020): 148–155.
      • Article

      Development of a Deep Learning Algorithm for Periapical Disease Detection in Dental Radiographs

      By: Michael G. Endres, Florian Hillen, Marios Salloumis, Ahmad R. Sedaghat, Stefan M. Niehues, Olivia Quatela, Henning Hanken, Ralf Smeets, Benedicta Beck-Broichsitter, Carsten Rendenbach, Karim R. Lakhani, Max Helland and Robert A. Gaudin
      Periapical radiolucencies, which can be detected on panoramic radiographs, are one of the most common radiographic findings in dentistry and have a differential diagnosis including infections, granuloma, cysts, and tumors. In this study, we seek to investigate the...  View Details
      Keywords: Artificial Intelligence; Diagnosis; Computer-assisted; Image Interpretation; Machine Learning; Radiography; Panoramic Radiograph
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      Endres, Michael G., Florian Hillen, Marios Salloumis, Ahmad R. Sedaghat, Stefan M. Niehues, Olivia Quatela, Henning Hanken, Ralf Smeets, Benedicta Beck-Broichsitter, Carsten Rendenbach, Karim R. Lakhani, Max Helland, and Robert A. Gaudin. "Development of a Deep Learning Algorithm for Periapical Disease Detection in Dental Radiographs." Diagnostics 10, no. 6 (June 2020).
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