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Show Results For
- All HBS Web
(1,182)
- News (238)
- Research (766)
- Events (4)
- Multimedia (2)
- Faculty Publications (200)
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- 13 Jun 2012
- HBS Case
HBS Cases: A Startup Takes On the Credit Ratings Giants
For most of the 20th century, three bond ratings agencies—Moody's, Fitch, and Standard & Poor's—dominated the credit ratings industry, recently controlling 97 percent of the market. But the status quo was disrupted by the 2008 global... View Details
- Spring 2013
- Article
Does Mandatory IFRS Adoption Improve the Information Environment?
By: Joanne Horton, George Serafeim and Ioanna Serafeim
We examine the effect of mandatory International Financial Reporting Standards (IFRS) adoption on firms' information environment. We find that after mandatory IFRS adoption, consensus forecast errors decrease for firms that mandatorily adopt IFRS relative to forecast... View Details
Keywords: International Accounting; Financial Reporting; Standards; Information; Quality; Earnings Management
Horton, Joanne, George Serafeim, and Ioanna Serafeim. "Does Mandatory IFRS Adoption Improve the Information Environment?" Contemporary Accounting Research 30, no. 1 (Spring 2013): 388–423.
- June 2018 (Revised August 2019)
- Case
Qualcomm Inc., 2019
By: David B. Yoffie and Andrew S. Choi
This case is set in mid-2019, when Qualcomm was struggling with unwanted take-over battles, fights with Apple and the Chinese government, and internal dissension on the board of directors. Ten years earlier Qualcomm was hailed as a monopoly on CDMA technologies and... View Details
Keywords: Technology Cycles; Strategy; Competitive Advantage; Intellectual Property; Information Technology; Standards; Business Model; Organizational Change and Adaptation; Telecommunications Industry; Semiconductor Industry
Yoffie, David B., and Andrew S. Choi. "Qualcomm Inc., 2019." Harvard Business School Case 718-514, June 2018. (Revised August 2019.)
- May 2024 (Revised June 2024)
- Case
Together for Sustainability
This case documents the origin and development of Together for Sustainability (TfS), a chemical industry initiative dedicated to raising sustainability standards throughout the industry’s supply chains. In 2011, six Chief Procurement Officers (CPOs) from some of the... View Details
Keywords: Environmental Sustainability; Standards; Supply Chain Management; Corporate Social Responsibility and Impact; Partners and Partnerships; Nonprofit Organizations; Corporate Accountability; Chemical Industry
Gulati, Ranjay, David Shin, and Emily Tedards. "Together for Sustainability." Harvard Business School Case 424-062, May 2024. (Revised June 2024.)
- 11 Sep 2019
- Research & Ideas
Germany May Have the Answer for Reducing Drug Prices
says. Her team detailed the findings in an article in the July edition of Health Affairs, The Impact of Price Regulation on the Availability of New Drugs in Germany. Drug pricing, German-style Before companies can set higher prices for... View Details
- 09 Feb 2009
- Research & Ideas
Uncompromising Leadership in Tough Times
Economic difficulties need not mean that we lower our standards for leadership. If anything, we should raise our sights. New work by HBS professor Michael Beer and colleagues shows that there is still a place for what they term... View Details
Keywords: by Martha Lagace
- 06 Oct 2009
- First Look
First Look: October 6
Case Study of Utilitarian Income Redistribution Authors:N. Gregory Mankiw and Matthew C. Weinzierl Publication:American Economic Journal: Economic Policy (forthcoming) Abstract Should the income tax include a credit for short taxpayers and a surcharge for tall ones?... View Details
Keywords: Martha Lagace
- March 2010
- Article
Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research
By: Ian D. Gow, Daniel Taylor and Gaizka Ormazabal
We review and evaluate the methods commonly used in the accounting literature to correct for cross-sectional and time-series dependence. While much of the accounting literature studies settings in which variables are cross-sectionally and serially correlated, we find... View Details
Keywords: History; Cost of Capital; Activity Based Costing and Management; Performance Evaluation; Cost Accounting; Time Management; Research; Mathematical Methods; Equity; Borrowing and Debt; Accounting Audits; Accounting Industry
Gow, Ian D., Daniel Taylor, and Gaizka Ormazabal. "Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research." Accounting Review 85, no. 2 (March 2010): 483–512.
- March 2018
- Article
Polluted Morality: Air Pollution Predicts Criminal Activity and Unethical Behavior
By: Jackson G. Lu, Julia J. Lee, F. Gino and Adam D. Galinsky
Air pollution is a serious problem that influences billions of people globally. Although the health and environmental costs of air pollution are well known, the present research investigates its ethical costs. We propose that air pollution can increase criminal and... View Details
Lu, Jackson G., Julia J. Lee, F. Gino, and Adam D. Galinsky. "Polluted Morality: Air Pollution Predicts Criminal Activity and Unethical Behavior." Psychological Science 29, no. 3 (March 2018): 340–355.
- June 2023
- Case
Investing in the Climate Transition at Neuberger Berman
By: George Serafeim and Benjamin Maletta
By mid-2023, Neuberger Berman (NB), an active asset manager, had grown its assets under management to about half a trillion dollars and took pride in its client centricity and innovative spirit. Responding to client demand for investment products that integrated... View Details
Keywords: Carbon Emissions; Sustainability; Decarbonization; Performance; Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Business Analysis; Investing; Regulation; Asset Management; Investment Strategy; Climate Change; Transition; Analysis; Product Positioning; Strategy; Investment Portfolio; Financial Services Industry; Energy Industry
Serafeim, George, and Benjamin Maletta. "Investing in the Climate Transition at Neuberger Berman." Harvard Business School Case 123-092, June 2023.
- September 2024
- Case
The Health Equity Accelerator at Boston Medical Center
By: Susanna Gallani, Mary Witkowski and Katie Sonnefeldt
This case describes how Boston Medical Center, a hospital and safety net organization, changed its strategic approach to health equity after realizing that previous efforts were not sufficient to address the health disparities among their patients. In 2021, the Health... View Details
Keywords: Health Care and Treatment; Health Disorders; Innovation and Management; Innovation Leadership; Innovation Strategy; Adaptation; Business Strategy; Mission and Purpose; Decisions; Organizational Change and Adaptation; Organizational Structure; Diversity; Race; Ethnicity; Urban Scope; Local Range; Equality and Inequality; Health Industry; Boston
Gallani, Susanna, Mary Witkowski, and Katie Sonnefeldt. "The Health Equity Accelerator at Boston Medical Center." Harvard Business School Case 125-039, September 2024.
- September 12, 2022
- Article
Merit or Inherit: How to Approach Succession in a Family Business
By: Josh Baron
One of the most critical questions facing family businesses is how to treat the next generation. They are clearly different from other employees, as current or potential owners of the company, whose wealth and reputation are on the line. On the flip side, most parents... View Details
Baron, Josh. "Merit or Inherit: How to Approach Succession in a Family Business." Harvard Business Review (website) (September 12, 2022).
- 2021
- Working Paper
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" European Corporate Governance Institute Finance Working Paper, No. 736/2021, February 2021. (Harvard Business School Working Paper, No. 21-112, April 2021.)
- February 2018
- Case
Rosslyn Resource: Monetization and Sales Strategy
By: Robert J. Dolan and Sunru Yong
Rosslyn Resource identifies exploration targets (potential mineral deposits) in the mining industry and advances them until the project can be monetized, usually through sale to a larger mining company, in return for an upfront fee and a royalty on future revenues.... View Details
Keywords: Strategy; Decision Choices and Conditions; Business Model; Organizational Change and Adaptation; Mining Industry
Dolan, Robert J., and Sunru Yong. "Rosslyn Resource: Monetization and Sales Strategy." Harvard Business School Brief Case 918-509, February 2018.
- January 2024
- Article
Population Interference in Panel Experiments
By: Kevin Wu Han, Guillaume Basse and Iavor Bojinov
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
Han, Kevin Wu, Guillaume Basse, and Iavor Bojinov. "Population Interference in Panel Experiments." Journal of Econometrics 238, no. 1 (January 2024).
- January 2006 (Revised March 2010)
- Case
Peer-to-Peer File Sharing and the Market for Digital Information Goods
By: Ramon Casadesus-Masanell, Andres Hervas and Jordan Mitchell
We study competitive interaction between two alternative models of digital content distribution over the Internet: peer-to-peer (p2p) file sharing and centralized client-server distribution. We present microfoundations for a stylized model of p2p file sharing where all... View Details
Keywords: Price; Profit; Distribution; Competition; Internet and the Web; Information Infrastructure
Casadesus-Masanell, Ramon, Andres Hervas, and Jordan Mitchell. "Peer-to-Peer File Sharing and the Market for Digital Information Goods." Harvard Business School Case 706-479, January 2006. (Revised March 2010.)
- August 2016 (Revised June 2017)
- Case
Oversight Systems
By: Frank V. Cespedes and Amram Migdal
The case, set in May 2016, discusses sales strategy and managing sales and service at Oversight Systems, an Atlanta, Georgia–based software firm that developed analytics for organizations to monitor their data for errors, fraud, and operational inefficiencies. Included... View Details
Keywords: Sales; Sales Strategy; Entrepreneurial Sales; Entrepreneurial Sales And Marketing; Software Sales; Marketing; Marketing Management; Pricing; Salesforce Management; Distribution Channels; Marketing Strategy; Technology Industry; North America; United States; Atlanta; Georgia (state, US)
Cespedes, Frank V., and Amram Migdal. "Oversight Systems." Harvard Business School Case 817-015, August 2016. (Revised June 2017.)
- 2025
- Working Paper
Enhancing Treatment Effect Prediction on Privacy-Protected Data: An Honest Post-Processing Approach
By: Ta-Wei Huang and Eva Ascarza
As firms increasingly rely on customer data for personalization, concerns over privacy and regulatory compliance have grown. Local Differential Privacy (LDP) offers strong individual-level protection by injecting noise into data before collection. While... View Details
Keywords: Targeted Intervention; Conditional Average Treatment Effect Estimation; Differential Privacy; Honest Estimation; Post-processing; Analytics and Data Science; Consumer Behavior; Marketing
Huang, Ta-Wei, and Eva Ascarza. "Enhancing Treatment Effect Prediction on Privacy-Protected Data: An Honest Post-Processing Approach." Harvard Business School Working Paper, No. 24-034, December 2023. (Revised March 2025.)
- March 2008 (Revised December 2011)
- Case
IBM Values and Corporate Citizenship
IBM's transformation into a globally integrated enterprise (GIE) began with a conviction about what should never change. Since its founding in 1911, the company operated under a set of principles articulated by founder Thomas Watson and became known for a strong... View Details
Keywords: Values and Beliefs; Globalized Firms and Management; Technological Innovation; Leading Change; Corporate Social Responsibility and Impact; Organizational Change and Adaptation; Organizational Culture; Integration
Kanter, Rosabeth M. "IBM Values and Corporate Citizenship." Harvard Business School Case 308-106, March 2008. (Revised December 2011.)
- May 2006 (Revised November 2006)
- Case
DVD War
By: David B. Yoffie and Michael Slind
In 2006, the DVD was the most popular storage medium in the entertainment and computer industries. The development of high-definition (HD) technology created a need for a format with greater storage capacity. Instead of agreeing on a single standard for a new HD disc,... View Details
Keywords: Disruption; Entertainment; Business History; Intellectual Property; Product; Competition; Technology Adoption; Electronics Industry; Entertainment and Recreation Industry
Yoffie, David B., and Michael Slind. "DVD War." Harvard Business School Case 706-504, May 2006. (Revised November 2006.)