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  • All HBS Web  (7,233)
    • People  (19)
    • News  (1,278)
    • Research  (4,945)
    • Events  (79)
    • Multimedia  (45)
  • Faculty Publications  (3,631)

Show Results For

  • All HBS Web  (7,233)
    • People  (19)
    • News  (1,278)
    • Research  (4,945)
    • Events  (79)
    • Multimedia  (45)
  • Faculty Publications  (3,631)
← Page 27 of 7,233 Results →
  • September–October 2020
  • Article

The Air War Versus the Ground Game: An Analysis of Multi-Channel Marketing in U.S. Presidential Elections

By: Lingling Zhang and Doug J. Chung
This study jointly examines the effects of television advertising and field operations in U.S. presidential elections, with the former referred to as the “air war” and the latter as the “ground game.” Specifically, the study focuses on how different campaign... View Details
Keywords: Multi-channel Marketing; Ground Campaigning; Political Campaigns; Discrete-choice Model; Instrumental Variables; Political Elections; Marketing Channels; Advertising; United States
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Zhang, Lingling, and Doug J. Chung. "The Air War Versus the Ground Game: An Analysis of Multi-Channel Marketing in U.S. Presidential Elections." Marketing Science 39, no. 5 (September–October 2020): 872–892.
  • February 2018
  • Supplement

Qualtrics (B)

By: Doug J. Chung and James M. Lattin
Qualtrics was an online survey research platform and since the beginning, the company had relied entirely on an inside sales model—sales done remotely without face-to-face contact with clients. The low-cost inside sales model, along with an emphasis on a strong sales... View Details
Keywords: Inside Sales Model; Sales; Strategy; Growth and Development Strategy; Organizational Change and Adaptation
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Chung, Doug J., and James M. Lattin. "Qualtrics (B)." Harvard Business School Supplement 518-083, February 2018.
  • 2025
  • Working Paper

Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation

By: Kyle Herkenhoff, Josh Lerner, Gordon M. Phillips, Francisca Rebelo and Benjamin Sampson
We measure the real effects of private equity buyouts on worker outcomes by building a new database that links transactions to matched employer-employee data in the United States. To guide our empirical analysis, we derive testable implications from three theories in... View Details
Keywords: Monopsony; Market Power; Productivity; Private Equity; Employment; Wages; Employees
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Herkenhoff, Kyle, Josh Lerner, Gordon M. Phillips, Francisca Rebelo, and Benjamin Sampson. "Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation." Harvard Business School Working Paper, No. 25-046, March 2025. (Revised June 2025.)
  • 08 Mar 2018
  • News

Could a New Business Model Make Clinical Drug Trials More Accessible to Patients?

  • July 2023 (Revised July 2023)
  • Background Note

Generative AI Value Chain

By: Andy Wu and Matt Higgins
Generative AI refers to a type of artificial intelligence (AI) that can create new content (e.g., text, image, or audio) in response to a prompt from a user. ChatGPT, Bard, and Claude are examples of text generating AIs, and DALL-E, Midjourney, and Stable Diffusion are... View Details
Keywords: AI; Artificial Intelligence; Model; Hardware; Data Centers; AI and Machine Learning; Applications and Software; Analytics and Data Science; Value
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Wu, Andy, and Matt Higgins. "Generative AI Value Chain." Harvard Business School Background Note 724-355, July 2023. (Revised July 2023.)
  • November – December 2011
  • Article

Modeling a Paradigm Shift: From Producer Innovation to User and Open Collaborative Innovation

By: Carliss Baldwin and Eric von Hippel
In this paper, we assess the economic viability of innovation by producers relative to two increasingly important alternative models: innovations by single-user individuals or firms and open collaborative innovation. We analyze the design costs and architectures and... View Details
Keywords: Collaborative Innovation and Invention; Design; Cost; Communication; Competition; Economy; Research; Policy; Practice
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Baldwin, Carliss, and Eric von Hippel. "Modeling a Paradigm Shift: From Producer Innovation to User and Open Collaborative Innovation." Organization Science 22, no. 6 (November–December 2011): 1399–1417.
  • 24 Jun 2015
  • News

What Happened When Linkin Park Asked Harvard for Help with Its Business Model

  • 23 Sep 2013
  • Working Paper Summaries

Applying Random Coefficient Models to Strategy Research: Testing for Firm Heterogeneity, Predicting Firm-Specific Coefficients, and Estimating Strategy Trade-Offs

Keywords: by Juan Alcácer, Wilbur Chung, Ashton Hawk & Gonçalo Pacheco-de-Almeida
  • Article

Introducing the Sociopolitical Motive x Intergroup Threat Model to Understand How Monoracial Perceivers' Sociopolitical Motives Influence Their Categorization of Multiracial People

By: Arnold K. Ho, Nour Kteily and Jacqueline M. Chen
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Ho, Arnold K., Nour Kteily, and Jacqueline M. Chen. "Introducing the Sociopolitical Motive x Intergroup Threat Model to Understand How Monoracial Perceivers' Sociopolitical Motives Influence Their Categorization of Multiracial People." Personality and Social Psychology Review 24, no. 3 (August 2020): 260–286.
  • 2009
  • Working Paper

Modeling a Paradigm Shift: From Producer Innovation to User and Open Collaborative Innovation

By: Carliss Y. Baldwin and Eric von Hippel
In this paper we assess the economic viability of innovation by producers relative to two increasingly important alternative models: innovations by single user individuals or firms, and open collaborative innovation projects. We analyze the design costs and... View Details
Keywords: Cost; Policy; Collaborative Innovation and Invention; Independent Innovation and Invention; Intellectual Property; Rights; Welfare
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Baldwin, Carliss Y., and Eric von Hippel. "Modeling a Paradigm Shift: From Producer Innovation to User and Open Collaborative Innovation." Harvard Business School Working Paper, No. 10-038, November 2009.

    Modeling a Paradigm Shift: From Producer Innovation to User and Open Collaborative Innovation

    Organization Science, 22(6):1399-1417

    We argue that innovation by individual users and open collaborative innovation increasingly compete with and may displace producer innovation in many parts of the economy.

     View Details
    • 29 Jan 2022
    • News

    How Companies’ Business Models Put Workers in a ‘Low-Wage Trap’—and How to Break the Cycle

    • Article

    How to Shift from Selling Products to Selling Services

    By: Doug J. Chung
    Only a few years ago, most software companies sold seat licenses for their products, charging customers on the basis of head count. But today, software is typically provided using cloud-based software-as-a-service (SaaS) models that charge customers fees for... View Details
    Keywords: SaaS Business Models; Sales; Management; Business Model; Salesforce Management; Applications and Software; Customer Relationship Management
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    Chung, Doug J. "How to Shift from Selling Products to Selling Services." Harvard Business Review 99, no. 2 (March–April 2021): 48–52.
    • November 2001 (Revised September 2004)
    • Case

    Evolution of Treatment, The: The Case of Diabetes

    By: Richard M.J. Bohmer, Jeffrey D. Street and Laura Feldman
    Scientific knowledge surrounding diabetes mellitus has grown over the last century to include its cause, treatment, and prevention strategies. However, the type and level of care that patients receive is suboptional. This case examines the forces in industry,... View Details
    Keywords: Policy; Health Care and Treatment; Innovation and Management; Knowledge Use and Leverage; Management; Management Analysis, Tools, and Techniques; Health Industry
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    Bohmer, Richard M.J., Jeffrey D. Street, and Laura Feldman. "Evolution of Treatment, The: The Case of Diabetes." Harvard Business School Case 302-023, November 2001. (Revised September 2004.)
    • August 2021
    • Case

    Mylestone: Can Multiple Pivots Preserve the Life of a Death Tech Startup?

    By: Shikhar Ghosh and Marilyn Morgan Westner
    Dave Balter and Jim Myers co-founded Mylestone, a death tech startup that applied technology to transform how grieving people memorialize the dead. The startup addressed a cultural problem and promised to solve a pressing need in the antiquated, multi-billion dollar... View Details
    Keywords: Pivot; Startup; Business Model; Cryptocurrency; Ethical Decision Making; Emotions; Growth and Development Strategy; Ethics; Market Entry and Exit; Customer Relationship Management; Loss; Change Management; Relationships
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    Ghosh, Shikhar, and Marilyn Morgan Westner. "Mylestone: Can Multiple Pivots Preserve the Life of a Death Tech Startup?" Harvard Business School Case 822-018, August 2021.
    • Web

    The Spread and Adoption of Option Pricing Models - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

    Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences View Details
    • September 2010
    • Article

    Strategies to Fight Ad-sponsored Rivals

    By: Ramon Casadesus-Masanell and Feng Zhu
    We analyze the optimal strategy of a high-quality incumbent that faces a low-quality ad-sponsored competitor. In addition to competing through adjustments of tactical variables such as price or the number of ads a product carries, we allow the incumbent to consider... View Details
    Keywords: Strategy; Business Models; Tactics; Pricing; Business Model; Advertising; Competition; Quality; Price; Product Marketing
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    Casadesus-Masanell, Ramon, and Feng Zhu. "Strategies to Fight Ad-sponsored Rivals." Management Science 56, no. 9 (September 2010): 1484–1499.
    • June 2020 (Revised August 2020)
    • Supplement

    Vanguard Retail Operations (B)

    By: Willy C. Shih and Antonio Moreno
    The first two cases in this series are set in the financial services industry, and explore whether it is better for back-office workers to be generalists who provide the flexibility of being able to handle the complete range of transactions that the company faces or... View Details
    Keywords: Pooling; Generalist Model; Specialist Model; Service Operations; Management; Financial Services Industry; United States
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    Shih, Willy C., and Antonio Moreno. "Vanguard Retail Operations (B)." Harvard Business School Supplement 620-105, June 2020. (Revised August 2020.)
    • January 2021 (Revised March 2021)
    • Case

    Jumia's Path to Profitability

    By: Ramon Casadesus-Masanell, Pippa Tubman Armerding and Gamze Yucaoglu
    The case opens in September 2019 as Sacha Poignonnec and Jeremy Hodara, co-founders and co-CEOs of Jumia, the leading Pan-African e-commerce platform, are contemplating the company’s path to profitability in the aftermath of a fragile investor sentiment, as the company... View Details
    Keywords: Retail; Business Models; Business Model; Business Startups; Emerging Markets; For-Profit Firms; Strategy; Digital Platforms; Information Technology; Technology Adoption; Value Creation; Globalization; Entrepreneurship; Competition; Expansion; Logistics; Profit; Resource Allocation; Diversification; Corporate Strategy; Retail Industry; Technology Industry; Africa
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    Casadesus-Masanell, Ramon, Pippa Tubman Armerding, and Gamze Yucaoglu. "Jumia's Path to Profitability." Harvard Business School Case 721-355, January 2021. (Revised March 2021.)
    • May 2000
    • Article

    Maxmin Expected Utility over Savage Acts with a Set of Priors

    By: Ramon Casadesus-Masanell, Peter Klibanoff and Emre Ozdenoren
    This paper provides an axiomatic foundation for a maxmin expected utility over a set of priors (MMEU) decision rule in an environment where the elements of choice are Savage acts. This characterization complements the original axiomatizations of MMEU developed in a... View Details
    Keywords: Uncertainty Aversion; Ambiguity; Expected Utility; Set Of Priors; Knightian Uncertainty; Decision Making; Game Theory; Risk and Uncertainty; Mathematical Methods
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    Casadesus-Masanell, Ramon, Peter Klibanoff, and Emre Ozdenoren. "Maxmin Expected Utility over Savage Acts with a Set of Priors." Journal of Economic Theory 92, no. 1 (May 2000): 35–65.
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