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Show Results For
- All HBS Web
(10,273)
- People (22)
- News (1,560)
- Research (7,285)
- Events (98)
- Multimedia (65)
- Faculty Publications (5,736)
- 16 Oct 2019
- Working Paper Summaries
Core Earnings? New Data and Evidence
- Research Summary
Reinvention and "Technology Reemergence"
The prevailing view of industry and technology evolution has emphasized displacement, on the assumption that old technologies and organizational forms will disappear when newer ones arrive. Professor Raffaelli's research challenges this view by illuminating how and... View Details
- February 2004 (Revised March 2004)
- Background Note
Profitability Drivers in Professional Service Firms
By: Ashish Nanda
This case presents a simple model of the drivers of profitability in a professional service partnership and conducts an empirical exploration of the determinants of profitability among AmLaw 100 firms over the period 1994 to 1999. View Details
Nanda, Ashish. "Profitability Drivers in Professional Service Firms." Harvard Business School Background Note 904-064, February 2004. (Revised March 2004.)
- 2021
- Working Paper
Real Credit Cycles
By: Pedro Bordalo, Nicola Gennaioli, Andrei Shleifer and Stephen J. Terry
We incorporate diagnostic expectations, a psychologically founded model of overreaction to news, into a workhorse business cycle model with heterogeneous firms and risky debt. A realistic degree of diagnosticity, estimated from the forecast errors of managers of U.S.... View Details
Bordalo, Pedro, Nicola Gennaioli, Andrei Shleifer, and Stephen J. Terry. "Real Credit Cycles." NBER Working Paper Series, No. 28416, January 2021.
- 2025
- Working Paper
Balancing Engagement and Polarization: Multi-Objective Alignment of News Content Using LLMs
By: Mengjie Cheng, Elie Ofek and Hema Yoganarasimhan
We study how media firms can use LLMs to generate news content that aligns with multiple objectives—making content more engaging while maintaining a preferred level of polarization/slant consistent with the firm’s editorial policy. Using news articles from The New York... View Details
Keywords: Large Language Models; Content Creation; Media; Polarization; Generative Ai; Direct Preference Optimization; AI and Machine Learning; News; Perspective; Digital Marketing; Policy; Media and Broadcasting Industry
Cheng, Mengjie, Elie Ofek, and Hema Yoganarasimhan. "Balancing Engagement and Polarization: Multi-Objective Alignment of News Content Using LLMs." Harvard Business School Working Paper, No. 25-051, April 2025.
- February 2015
- Other Article
Evaluating the Impact of the Baby-Friendly Hospital Initiative on Breast-feeding Rates: A Multi-state Analysis
By: Summer Sherburne Hawkins, Ariel Dora Stern, Christopher F. Baum and Matthew W. Gillman
Objectives: Despite the passage of state laws promoting breast feeding, a formal evaluation has not yet been conducted to test whether and/or what type of laws may increase breast feeding. The enactment of breastfeeding laws in different states in the USA creates a... View Details
Hawkins, Summer Sherburne, Ariel Dora Stern, Christopher F. Baum, and Matthew W. Gillman. "Evaluating the Impact of the Baby-Friendly Hospital Initiative on Breast-feeding Rates: A Multi-state Analysis." Public Health Nutrition 18, no. 2 (February 2015): 189–197. (Selected as Nutrition Society Paper of the Month, July 2014.)
- 2019
- Working Paper
Recipe for Succession: An Analysis of Board-Level Drivers of CEO Succession Planning
By: J. Yo-Jud Cheng, Boris Groysberg and Paul M. Healy
- April 2000
- Teaching Note
Patient Care Delivery Model at the Massachusetts General Hospital, The TN
By: Amy C. Edmondson, Richard M.J. Bohmer and Emily Heaphy
Teaching Note for (9-699-154). View Details
- October 2002 (Revised May 2021)
- Case
Group Process in the Challenger Launch Decision (A)
By: Amy C. Edmondson and Laura Feldman
The night before the launch of the Challenger shuttle, officials from Morton Thiokol (Solid Rocket Booster manufacturer) and NASA participated in a teleconference to discuss whether to postpone the shuttle launch due to predicted low temperatures at Kennedy Space... View Details
Keywords: Process Analysis; Problems and Challenges; Groups and Teams; Engineering; Risk Management; Analysis; Decision Making; Aerospace Industry; United States
Edmondson, Amy C., and Laura Feldman. "Group Process in the Challenger Launch Decision (A)." Harvard Business School Case 603-068, October 2002. (Revised May 2021.)
- April 2021
- Teaching Note
Social Media War 2021: Snap vs. Facebook vs. TikTok
By: David B. Yoffie and Daniel Fisher
This teaching note provides analysis and a teaching plan for the Social Media War 2021: Snap vs. Facebook vs. TikTok case. View Details
- 2020
- Working Paper
A General Theory of Identification
By: Iavor Bojinov and Guillaume Basse
What does it mean to say that a quantity is identifiable from the data? Statisticians seem to agree
on a definition in the context of parametric statistical models — roughly, a parameter θ in a model
P = {Pθ : θ ∈ Θ} is identifiable if the mapping θ 7→ Pθ is injective.... View Details
Bojinov, Iavor, and Guillaume Basse. "A General Theory of Identification." Harvard Business School Working Paper, No. 20-086, February 2020.
- 14 Aug 2015
- Working Paper Summaries
Are ‘Better’ Ideas More Likely to Succeed? An Empirical Analysis of Startup Evaluation
- 2021
- Working Paper
Time Dependence and Preference: Implications for Compensation Structure and Shift Scheduling
By: Doug J. Chung, Byungyeon Kim and Byoung G. Park
This study jointly examines agents’ time dependence—period effects within instantaneous utility—and time preference—behavior on discounting future utility. The study considers the start- and end-of-period effects for time dependence and exponential and hyperbolic... View Details
Keywords: Time Preferences; Present Bias; Hyperbolic Discounting; Compensation; Dynamic Structural Models; Identification; Time Management; Motivation and Incentives; Behavior; Performance; Compensation and Benefits
Chung, Doug J., Byungyeon Kim, and Byoung G. Park. "Time Dependence and Preference: Implications for Compensation Structure and Shift Scheduling." Harvard Business School Working Paper, No. 21-121, April 2021.
- 24 Oct 2008
- Working Paper Summaries
Signaling Firm Performance Through Financial Statement Presentation: An Analysis Using Special Items
Keywords: by Edward J. Riedl & Suraj Srinivasan
- February 2018
- Supplement
Qualtrics (C)
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
Chung, Doug J., and James M. Lattin. "Qualtrics (C)." Harvard Business School Supplement 518-084, February 2018.
- April 2008 (Revised October 2008)
- Supplement
TD Canada Trust (B): Linking the Service Model to the P&L
By: Dennis Campbell and Brent Kazan
Campbell, Dennis, and Brent Kazan. "TD Canada Trust (B): Linking the Service Model to the P&L." Harvard Business School Supplement 108-043, April 2008. (Revised October 2008.)
- April 2010
- Teaching Note
Groupe Ariel S.A.: Parity Conditions and Cross-Border Valuation (Brief Case)
By: Timothy A. Luehrman and James Quinn
Teaching Note for 4194 View Details
- March 2015 (Revised December 2015)
- Case
Coffee Wars in India: Café Coffee Day 2013
By: David B. Yoffie and Rachna Tahilyani
Café Coffee Day (CCD) is the largest coffee retailer in India. In 2012, Starbucks entered the India market. This case explores CCD's competitive advantages, its analysis of Starbuck's entry strategy, and how it might respond to Starbucks' entry. View Details
Yoffie, David B., and Rachna Tahilyani. "Coffee Wars in India: Café Coffee Day 2013." Harvard Business School Case 715-444, March 2015. (Revised December 2015.)
- Article
Sustainability, Business, and Health
By: George Serafeim, Amanda M. Rischbieth and Howard K. Koh
The coronavirus disease 2019 (COVID-19) pandemic has demonstrated that response demands involvement from every sector of society. As a major example, some businesses have stepped up in ways previously unimaginable. Garment companies have repurposed production to face... View Details
Keywords: COVID; COVID-19; Sustainability; Health And Wellness; Corporate Social Responsibility; Health Pandemics; Health; Corporate Social Responsibility and Impact; Corporate Accountability; Health Care and Treatment
Serafeim, George, Amanda M. Rischbieth, and Howard K. Koh. "Sustainability, Business, and Health." JAMA, the Journal of the American Medical Association 324, no. 2 (July 14, 2020): 147–148.