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Show Results For
- All HBS Web
(1,125)
- News (139)
- Research (810)
- Events (16)
- Multimedia (4)
- Faculty Publications (477)
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- 2021
- Working Paper
Technology Differentiation and Firm Performance
By: Sam Arts, Bruno Cassiman and Jianan Hou
Prior work has extensively studied how investing in R&D and building a technology portfolio relate to superior firm performance. However, the value of a firm’s technology portfolio should also be driven by the degree to which it is more unique and technologically... View Details
Keywords: Technology Portfolio; Differentiation; Competitiveness; Organizations; Technology; Performance; United States
Arts, Sam, Bruno Cassiman, and Jianan Hou. "Technology Differentiation and Firm Performance." Harvard Business School Working Paper, No. 22-040, December 2021.
- 2020
- Working Paper
Dog Eat Dog: Balancing Network Effects and Differentiation in 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: Platform Differentiation; Digital Platforms; Network Effects; Measurement and Metrics; Mergers and Acquisitions; Outcome or Result
Farronato, Chiara, Jessica Fong, and Andrey Fradkin. "Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger." NBER Working Paper Series, No. 28047, November 2020.
- January 2024
- Article
Dog Eat Dog: Balancing Network Effects and Differentiation in 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: Platform Differentiation; Digital Platforms; Network Effects; Measurement and Metrics; Mergers and Acquisitions; Outcome or Result
Farronato, Chiara, Jessica Fong, and Andrey Fradkin. "Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger." Management Science 70, no. 1 (January 2024): 464–483.
- Article
Accuracy First: Selecting a Differential Privacy Level for Accuracy-Constrained ERM
By: Katrina Ligett, Seth Neel, Aaron Leon Roth, Bo Waggoner and Steven Wu
Traditional approaches to differential privacy assume a fixed privacy requirement ϵ for a computation, and attempt to maximize the accuracy of the computation subject to the privacy constraint. As differential privacy is increasingly deployed in practical settings, it... View Details
Ligett, Katrina, Seth Neel, Aaron Leon Roth, Bo Waggoner, and Steven Wu. "Accuracy First: Selecting a Differential Privacy Level for Accuracy-Constrained ERM." Journal of Privacy and Confidentiality 9, no. 2 (2019).
- March 2024
- Case
Lyft 2023: Roads to Growth and Differentiation
By: Ranjay Gulati and Jeffrey Huizinga
Set in San Francisco in winter 2023, this case explores the strategic challenges and initiatives at Lyft under the leadership of its new CEO, David Risher. Confronted with declining market share and financial pressures, Risher spent his first six months at the helm... View Details
Keywords: Technology; Turnarounds; Ridesharing; Transition; Strategy; Culture; Change Management; Transportation Industry; Technology Industry
Gulati, Ranjay, and Jeffrey Huizinga. "Lyft 2023: Roads to Growth and Differentiation." Harvard Business School Case 424-060, March 2024.
- Article
How to Use Heuristics for Differential Privacy
By: Seth Neel, Aaron Leon Roth and Zhiwei Steven Wu
We develop theory for using heuristics to solve computationally hard problems in differential privacy. Heuristic approaches have enjoyed tremendous success in machine learning, for which performance can be empirically evaluated. However, privacy guarantees cannot be... View Details
Neel, Seth, Aaron Leon Roth, and Zhiwei Steven Wu. "How to Use Heuristics for Differential Privacy." Proceedings of the IEEE Annual Symposium on Foundations of Computer Science (FOCS) 60th (2019).
- February 2007 (Revised February 2009)
- Case
A Differentiation Strategy at ASDA
By: David E. Bell and Nitin Sanghavi
The Wal-Mart CEO has challenged his company to do more to help mankind. The British subsidiary, ASDA, is reviewing its activities in the environment/social arena. View Details
Keywords: Business Subsidiaries; Trends; Values and Beliefs; Leadership Style; Growth and Development Strategy; Corporate Social Responsibility and Impact; Food and Beverage Industry; Retail Industry
Bell, David E., and Nitin Sanghavi. "A Differentiation Strategy at ASDA." Harvard Business School Case 507-047, February 2007. (Revised February 2009.)
- Article
Internal Differentiation Within Multinational Corporations
By: S. Ghoshal and N. Nohria
Ghoshal, S., and N. Nohria. "Internal Differentiation Within Multinational Corporations." Strategic Management Journal 10, no. 4 (July–August 1989): 323–337.
- 2004
- Article
Status Differentiation and Social Cohesion
Bothner, Matthew, Toby E. Stuart, and Harrison White. "Status Differentiation and Social Cohesion." Journal of Mathematical Sociology 28 (2004): 261–295.
- Article
The Differentiation of Life Styles
By: R. M. Kanter and B. Zablocki
Kanter, R. M., and B. Zablocki. "The Differentiation of Life Styles." Annual Review of Sociology 2 (1976): 269–98.
- Article
The Role of Interactivity in Local Differential Privacy
By: Matthew Joseph, Jieming Mao, Seth Neel and Aaron Leon Roth
We study the power of interactivity in local differential privacy. First, we focus on the difference between fully interactive and sequentially interactive protocols. Sequentially interactive protocols may query users adaptively in sequence, but they cannot return to... View Details
Joseph, Matthew, Jieming Mao, Seth Neel, and Aaron Leon Roth. "The Role of Interactivity in Local Differential Privacy." Proceedings of the IEEE Annual Symposium on Foundations of Computer Science (FOCS) 60th (2019).
- Article
Mitigating Bias in Adaptive Data Gathering via Differential Privacy
By: Seth Neel and Aaron Leon Roth
Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details
Neel, Seth, and Aaron Leon Roth. "Mitigating Bias in Adaptive Data Gathering via Differential Privacy." Proceedings of the International Conference on Machine Learning (ICML) 35th (2018).
- November 2002
- Article
Disruption, Disintegration, and the Dissipation of Differentiability
By: Clayton M. Christensen, Matt Verlinden and George Westerman
Christensen, Clayton M., Matt Verlinden, and George Westerman. "Disruption, Disintegration, and the Dissipation of Differentiability." Industrial and Corporate Change 11, no. 5 (November 2002): 955–993.
- 1985
- Chapter
Differential Information, the Market and Incentive Compatibility
By: Jerry Green
Green, Jerry. "Differential Information, the Market and Incentive Compatibility." Chap. 3 in Frontiers of Economics, by Kenneth J. Arrow and Seppo Honkapohja, 178–226. Basil Blackwell, 1985.
- Mar 2020
- Conference Presentation
A New Analysis of Differential Privacy's Generalization Guarantees
By: Christopher Jung, Katrina Ligett, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi and Moshe Shenfeld
We give a new proof of the "transfer theorem" underlying adaptive data analysis: that any mechanism for answering adaptively chosen statistical queries that is differentially private and sample-accurate is also accurate out-of-sample. Our new proof is elementary and... View Details
Jung, Christopher, Katrina Ligett, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi, and Moshe Shenfeld. "A New Analysis of Differential Privacy's Generalization Guarantees." Paper presented at the 11th Innovations in Theoretical Computer Science Conference, Seattle, March 2020.
- Article
Best Practices for Differentiated Products Demand Estimation with PyBLP
Differentiated products demand systems are a workhorse for understanding the price effects of mergers, the value of new goods, and the contribution of products to seller networks. Berry, Levinsohn, and Pakes (1995) provide a flexible random coefficients logit model... View Details
Conlon, Chris, and Jeff Gortmaker. "Best Practices for Differentiated Products Demand Estimation with PyBLP." RAND Journal of Economics 51, no. 4 (2020): 1108–1161.
- 2000
- Working Paper
Disruption, Disintegration, and the Dissipation of Differentiability
By: Clayton M. Christensen and Matt Verlinden
- May 1998
- Article
Market Structure, Innovation and Vertical Product Differentiation
By: Shane Greenstein and Garey Ramey
We reassess Arrow's (1962) [Economic Welfare and the Allocation of Resources for Invention, in NBER, The Rate and Direction of Innovative Activity (Princeton University Press, Princeton NJ)] results concerning the effect of market structure on the returns from process... View Details
Greenstein, Shane, and Garey Ramey. "Market Structure, Innovation and Vertical Product Differentiation." International Journal of Industrial Organization 16, no. 3 (May 1998): 285–311.
- December 1975
- Background Note
Managing Differentiation and Integration, Part II
By: John P. Kotter
Kotter, John P. "Managing Differentiation and Integration, Part II." Harvard Business School Background Note 476-099, December 1975.
- December 1975 (Revised March 1979)
- Background Note
Managing Differentiation and Integration, Part I
By: John P. Kotter
Kotter, John P. "Managing Differentiation and Integration, Part I." Harvard Business School Background Note 476-098, December 1975. (Revised March 1979.)