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Show Results For
- All HBS Web
(1,815)
- People (8)
- News (369)
- Research (344)
- Events (10)
- Multimedia (7)
- Faculty Publications (169)
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- Article
Measuring the Scientific Effectiveness of Contact Tracing: Evidence from a Natural Experiment
By: Thiemo Fetzer and Thomas Graeber
Contact tracing has for decades been a cornerstone of the public health approach to epidemics, including Ebola, severe acute respiratory syndrome, and now COVID-19. It has not yet been possible, however, to causally assess the method’s effectiveness using a randomized... View Details
Fetzer, Thiemo, and Thomas Graeber. "Measuring the Scientific Effectiveness of Contact Tracing: Evidence from a Natural Experiment." Proceedings of the National Academy of Sciences 118, no. 33 (August 17, 2021): 1–4.
- 2022
- Working Paper
Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking
By: John William Hatfield and Jonathan Wallen
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
Hatfield, John William, and Jonathan Wallen. "Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking." Working Paper, January 2022.
- March 1990 (Revised March 1993)
- Case
Multimarket Contact
Brandenburger, Adam M., and Vijay Krishna. "Multimarket Contact." Harvard Business School Case 190-144, March 1990. (Revised March 1993.)
- August 2003
- Case
Wintel (E): From Multi-Market Contact to Multi-Geographic Contact
By: David B. Yoffie
Supplements the (A) case. View Details
Keywords: Computer Industry
Yoffie, David B. "Wintel (E): From Multi-Market Contact to Multi-Geographic Contact." Harvard Business School Case 704-423, August 2003.
- March 1996 (Revised February 1999)
- Case
Vistakon: 1 Day Acuvue Disposable Contact Lenses
By: Alvin J. Silk, Bruce Issacson and Marie Bell
Vistakon, an independent and entrepreneurial subsidiary of Johnson & Johnson, pioneered the production and marketing of disposable contact lenses with the 1987 launch of Acuvue, the first disposable extended-wear lens--a soft contact lens that patients wear for a... View Details
Keywords: Advertising Campaigns; Business Subsidiaries; Business Startups; Corporate Entrepreneurship; Price; Risk Management; Marketing; Product Positioning; Production; Performance Effectiveness; Consumer Products Industry; United States
Silk, Alvin J., Bruce Issacson, and Marie Bell. "Vistakon: 1 Day Acuvue Disposable Contact Lenses." Harvard Business School Case 596-087, March 1996. (Revised February 1999.)
- August 2018 (Revised February 2023)
- Case
Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing
By: Jill Avery and Ayelet Israeli
As its Series A extension round approaches, the founders of Hubble, a subscription-based, social-media fueled, direct-to-consumer (DTC) brand of contact lenses, are reflecting on the marketing strategies that have taken them to a valuation of $200 million and debating... View Details
Keywords: DTC; Direct To Consumer Marketing; Health Care; Mobile; Attribution; Experimentation; Experiments; Churn/retention; Customer Lifetime Value; Internet Marketing; Big Data; Analytics; A/B Testing; CRM; Advertising; Marketing; Marketing Channels; Marketing Strategy; Media; Brands and Branding; Marketing Communications; Digital Marketing; Consumer Behavior; Acquisition; Growth and Development Strategy; Customer Focus and Relationships; Social Media; E-commerce; Analytics and Data Science; Health Industry; Consumer Products Industry; United States; North America; Europe
Avery, Jill, and Ayelet Israeli. "Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing." Harvard Business School Case 519-011, August 2018. (Revised February 2023.)
- January 2019 (Revised February 2024)
- Teaching Note
Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing
By: Ayelet Israeli
Teaching Note for HBS No. 519-011. As its Series A extension round approaches, the founders of Hubble, a subscription-based, social-media fueled, direct-to-consumer (DTC) brand of contact lenses, are reflecting on the marketing strategies that have taken them to a... View Details
Keywords: DTC; Direct To Consumer Marketing; Health Care; Mobile; Attribution; Experimentation; Experiments; Churn/retention; Customer Lifetime Value; Internet Marketing; Big Data; Analytics; A/B Testing; CRM; Advertising; Marketing; Marketing Channels; Marketing Strategy; Media; Brands and Branding; Marketing Communications; Digital Marketing; Acquisition; Growth and Development Strategy; Customer Focus and Relationships; Consumer Behavior; Social Media; E-commerce
- March 1988 (Revised February 1991)
- Case
Brooklyn DA's Office: Client Contact Systems
Konsynski, Benn R. "Brooklyn DA's Office: Client Contact Systems." Harvard Business School Case 188-105, March 1988. (Revised February 1991.)
- November 2018
- Article
Worthy of Swift Trust? How Brief Interpersonal Contact Affects Trust Accuracy
By: Oliver Schilke and Laura Huang
Organizational scholars have long underscored the positive consequences of trust, yet trust can also have dysfunctional effects if it is not placed wisely. Though much research has examined conditions that increase individuals’ tendencies to trust others, we know very... View Details
Schilke, Oliver, and Laura Huang. "Worthy of Swift Trust? How Brief Interpersonal Contact Affects Trust Accuracy." Journal of Applied Psychology 103, no. 11 (November 2018): 1181–1197.
- November 1993 (Revised November 1994)
- Case
Molding the Impossible: the NYPRO/Vistakon Disposable Contact Lens Project
By: Clayton M. Christensen
NYPRO, Inc., one of the world's leading manufacturers of plastic injection-molded products, is asked by the Vistakon Division of Johnson & Johnson to manufacture molds that Vistakon will use to produce disposable contact lenses. The required dimensional tolerances for... View Details
Keywords: Customer Relationship Management; Engineering; Management Practices and Processes; Product Development; Production; Groups and Teams; Manufacturing Industry; Medical Devices and Supplies Industry
Christensen, Clayton M. "Molding the Impossible: the NYPRO/Vistakon Disposable Contact Lens Project." Harvard Business School Case 694-062, November 1993. (Revised November 1994.)
- September 2004 (Revised June 2005)
- Case
Wintel (F): From Multi-Geographic Contact to Open Source
By: David B. Yoffie
Supplements the (A) case. View Details
Keywords: Computer Industry
Yoffie, David B. "Wintel (F): From Multi-Geographic Contact to Open Source." Harvard Business School Case 705-413, September 2004. (Revised June 2005.)
- March 1996
- Case
New Product Development at Canon: The Contact Sensor Project
By: Joseph L. Bower and Michael Partington
Canon is one of the leading innovators in the world. This case describes the processes by which Canon manages the flow of ideas from basic science to new products, and how it harnesses product innovation to a strategy of diversification. View Details
Keywords: Innovation and Management; Strategic Planning; Innovation and Invention; Innovation Strategy; Management Practices and Processes; Diversification; Success; Consumer Products Industry
Bower, Joseph L., and Michael Partington. "New Product Development at Canon: The Contact Sensor Project." Harvard Business School Case 396-247, March 1996.
- 2006
- Article
Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation
By: Joel Waldfogel and Julie Wulf
This paper examines the effects of multimarket contact on advertising prices in the U.S. radio broadcasting industry. While it is in general difficult to measure the effect of multimarket contact on competition, the 1996 Telecommunications Act substantially relaxed... View Details
Keywords: Marketing Communications; Markets; Geographic Location; Advertising; Ownership; Price; Telecommunications Industry; Media and Broadcasting Industry; United States
Waldfogel, Joel, and Julie Wulf. "Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation." Art. 17. Contributions B.E. Journal of Economic Analysis & Policy 5, no. 1 (2006).
- June 2020 (Revised January 2024)
- Case
TraceTogether
By: Mitchell B. Weiss and Sarah Mehta
By April 7, 2020, over 1.4 million people worldwide had contracted the novel coronavirus (COVID-19). Governments raced to curb the spread of COVID-19 by scaling up testing, quarantining those infected, and tracing their possible contacts. It had taken Singapore’s... View Details
Keywords: COVID-19; Contact Tracing; Government Administration; Crisis Management; Health; Health Pandemics; Innovation and Invention; Innovation Leadership; Innovation Strategy; Technological Innovation; Social Issues; Information Technology; Mobile and Wireless Technology; Applications and Software; Technology Adoption; Health Industry; Public Administration Industry; Singapore
Weiss, Mitchell B., and Sarah Mehta. "TraceTogether." Harvard Business School Case 820-111, June 2020. (Revised January 2024.)
- Forthcoming
- Article
Mitigating the Negative Effects of Customer Anxiety Through Access to Human Contact
By: Michelle A. Kinch and Ryan W. Buell
Prior research in social psychology has shown that when people feel anxious, they seek advice from others. However, companies that operate in high-anxiety settings (like financial services, health care, and education) are increasingly deploying self-service... View Details
Keywords: Anxiety; Self-service; Empirical Operations; Behavioral Operations; Communication Technology; Behavior; Customer Focus and Relationships; Trust; Satisfaction; Financial Services Industry
Kinch, Michelle A., and Ryan W. Buell. "Mitigating the Negative Effects of Customer Anxiety Through Access to Human Contact." Management Science (forthcoming). (Pre-published online March 31, 2025.)
- June 1994 (Revised March 1998)
- Teaching Note
Molding the Impossible: the NYPRO/Vistakon Disposable Contact Lens Project TN
By: Clayton M. Christensen
Teaching Note for (9-694-062). View Details
- August 2011
- Article
From the Outside In: The Negative Spillover Effects of Boundary Spanners' Relations with Members of Other Organizations
By: Lakshmi Ramarajan, Katerina Bezrukova, Karen A. Jehn and Martin Euwema
Contrary to much boundary spanning research, we examined the negative consequences of boundary spanning contact in multi-organizational contexts. Results from a sample of 833 Dutch peacekeepers show that employees' boundary spanning contact with members of other... View Details
Keywords: Inter-organizational Contact; Boundary Spanning; Peacekeeping; Relationships; Jobs and Positions; Organizations; Attitudes
Ramarajan, Lakshmi, Katerina Bezrukova, Karen A. Jehn, and Martin Euwema. "From the Outside In: The Negative Spillover Effects of Boundary Spanners' Relations with Members of Other Organizations." Journal of Organizational Behavior 32, no. 6 (August 2011): 886–905.
- 26 Mar 2019
- Working Paper Summaries
Mitigating the Negative Effects of Customer Anxiety Through Access to Human Contact
- July 15, 2020
- Article
How to Get People to Actually Use Contact-Tracing Apps
By: Chiara Farronato, Marco Iansiti, Marcin Bartosiak, Stefano Denicolai, Luca Ferretti and Roberto Fontana
The broad adoption of contact-tracing apps would greatly help combat the spread of COVID-19. But a number of barriers—especially privacy concerns—have hindered progress in many countries that can’t or won’t mandate adoption. A solution is to start with small... View Details
Keywords: COVID-19; Contact Tracing; Apps; Privacy; Health Pandemics; Behavior; Technology Adoption; Applications and Software
Farronato, Chiara, Marco Iansiti, Marcin Bartosiak, Stefano Denicolai, Luca Ferretti, and Roberto Fontana. "How to Get People to Actually Use Contact-Tracing Apps." Harvard Business Review Digital Articles (July 15, 2020).
- Article
Managing Customer-Initiated Contacts with Manufacturers: The Impact on Share of Category Requirements and Word-of-Mouth Behavior
By: Doug Bowman and Das Narayandas
Bowman, Doug, and Das Narayandas. "Managing Customer-Initiated Contacts with Manufacturers: The Impact on Share of Category Requirements and Word-of-Mouth Behavior." Journal of Marketing Research (JMR) 38, no. 3 (August 2001).