Filter Results:
(1,142)
Show Results For
- All HBS Web
(1,456)
- News (157)
- Research (1,142)
- Events (9)
- Multimedia (7)
- Faculty Publications (672)
Show Results For
- All HBS Web
(1,456)
- News (157)
- Research (1,142)
- Events (9)
- Multimedia (7)
- Faculty Publications (672)
Sort by
- January 2019
- Article
Bubbles for Fama
By: Robin Greenwood, Andrei Shleifer and Yang You
We evaluate Eugene Fama's claim that stock prices do not exhibit price bubbles. Based on U.S. industry returns 1926–2014 and international sector returns 1985–2014, we present four findings: (1) Fama is correct in that a sharp price increase of an industry portfolio... View Details
Keywords: Bubble; Market Efficiency; Predictability; Price Bubble; Stocks; Price; Forecasting and Prediction
Greenwood, Robin, Andrei Shleifer, and Yang You. "Bubbles for Fama." Journal of Financial Economics 131, no. 1 (January 2019): 20–43. (Internet Appendix Here.)
- June 2020 (Revised October 2020)
- Case
What Went Wrong with Boeing's 737 Max?
By: William W. George and Amram Migdal
This case describes the development of the Boeing 737 Max airplane model and the events leading up to two tragic plane crashes, in which a total of 346 people died: the crash of Lion Air flight 610 on October 29, 2018, in Indonesia, and the crash of Ethiopian Airlines... View Details
Keywords: Communication; Communication Intention and Meaning; Communication Strategy; Forms of Communication; Announcements; Decision Making; Decision Choices and Conditions; Judgments; Ethics; Moral Sensibility; Values and Beliefs; Globalization; Global Strategy; Governance; Corporate Accountability; Governance Controls; Human Resources; Resignation and Termination; Leadership; Leadership Style; Management; Business or Company Management; Crisis Management; Management Practices and Processes; Management Skills; Management Style; Management Systems; Risk Management; Time Management; Markets; Demand and Consumers; Digital Platforms; Supply and Industry; Duopoly and Oligopoly; Industry Structures; Operations; Product Development; Organizations; Organizational Change and Adaptation; Organizational Culture; Outcome or Result; Failure; Success; Planning; Strategic Planning; Problems and Challenges; Relationships; Business and Community Relations; Business and Government Relations; Business and Stakeholder Relations; Risk and Uncertainty; Safety; Strategy; Transportation; Air Transportation; Aerospace Industry; Air Transportation Industry; Africa; Ethiopia; Asia; Indonesia; North and Central America; United States; Seattle; Chicago
George, William W., and Amram Migdal. "What Went Wrong with Boeing's 737 Max?" Harvard Business School Case 320-104, June 2020. (Revised October 2020.)
- August 2014
- Article
Friends in High Places
By: Lauren Cohen and Christopher Malloy
We demonstrate that personal connections amongst U.S. politicians have a significant impact on Senate voting behavior. Networks based on alumni connections between politicians are consistent predictors of voting behavior. We estimate sharp measures that control for... View Details
Keywords: Vote Trading; Networks; Legislation; Logrolling; Earmarks; Voting; Government Legislation; Social and Collaborative Networks; United States
Cohen, Lauren, and Christopher Malloy. "Friends in High Places." American Economic Journal: Economic Policy 6, no. 3 (August 2014): 63–91.
- November 2010
- Article
The Strategy Research Initiative: Recognizing and Encouraging High-quality Research in Strategy
By: Joanne E. Oxley, Jan Rivkin, Michael D. Ryall and the Strategy Research Initiative
The Strategy Research Initiative—a cross-disciplinary group of mid-career, research-oriented faculty—has organized to coordinate activities that promote high-quality research in the field of strategy. This editorial essay summarizes the group's view of the... View Details
Oxley, Joanne E., Jan Rivkin, Michael D. Ryall, and the Strategy Research Initiative. "The Strategy Research Initiative: Recognizing and Encouraging High-quality Research in Strategy." Strategic Organization 8, no. 4 (November 2010).
- March 2007 (Revised October 2007)
- Module Note
Negotiating Effectively in Family Business Systems
By: Deepak Malhotra and John A. Davis
Explores how families in business can apply five principles of negotiation that are used effectively by non-family members. The distinctive characteristics of family relationships and of family business systems--which affect the use of these principles--are described. View Details
Malhotra, Deepak, and John A. Davis. "Negotiating Effectively in Family Business Systems." Harvard Business School Module Note 807-144, March 2007. (Revised October 2007.)
- August 2000
- Exercise
Brand Report Card Exercise
Designed primarily to give students the opportunity to evaluate brands by breaking down individual attributes and analyzing performance in these areas. In doing so, students will be able to isolate a brand's distinct characteristics and decide which areas are the most... View Details
Keywords: Brands and Branding
Lemon, Katherine N., Kevin L. Keller, and Elizabeth Bornheimer. "Brand Report Card Exercise." Harvard Business School Exercise 501-004, August 2000.
- 17 Jul 2016
- Working Paper Summaries
Tort Reform and Innovation
- May 1987 (Revised November 1998)
- Case
John Deere Component Works (A)
By: Robert S. Kaplan
The division has recognized the inadequacies of its existing, traditional cost system for estimating product costs. Describes the innovative activity-based system that was developed to more accurately trace overhead costs to individual products. Provides students with... View Details
Keywords: Activity Based Costing and Management; Cost Accounting; Cost Management; Cost vs Benefits; Production; Budgets and Budgeting; Innovation and Invention; Innovation and Management; Consumer Products Industry
Kaplan, Robert S. "John Deere Component Works (A)." Harvard Business School Case 187-107, May 1987. (Revised November 1998.)
- April 1976 (Revised September 1996)
- Background Note
Use of Cases in Management Education
Briefly describes the process of case writing, the general nature of cases, and the advantages to students of learning by the case method. An approach to studying a case, individually or as a group member, for classroom discussion is outlined. Also summarizes the basic... View Details
Corey, E. Raymond. "Use of Cases in Management Education." Harvard Business School Background Note 376-240, April 1976. (Revised September 1996.)
- December 1994
- Background Note
Cost System Analysis
By: Robert S. Kaplan
Describes six characteristics of cost systems: standard vs. actual costs; job-order vs. process costing; variable vs. full costs; disaggregate vs. aggregate cost accumulation; and specific vs. average rates for labor and overhead. A rewritten version of an earlier... View Details
Kaplan, Robert S. "Cost System Analysis." Harvard Business School Background Note 195-181, December 1994.
- 31 May 2017
- Working Paper Summaries
Stock Price Synchronicity and Material Sustainability Information
- May 2025
- Article
Transaction Cost Economics in the Digital Economy: A Research Agenda
By: Frank Nagle, Robert Seamans and Steve Tadelis
Transaction cost economics theory explains when it is more efficient for a transaction between two parties to occur across the market or within an organization. How does transaction cost economics apply in the digital economy, which relies on digital transactions? In... View Details
Keywords: Transaction Cost Economics; Digital Economy; Economics; Cost; Markets; Research; Digital Transformation
Nagle, Frank, Robert Seamans, and Steve Tadelis. "Transaction Cost Economics in the Digital Economy: A Research Agenda." Strategic Organization 23, no. 2 (May 2025): 351–365.
- December 1999
- Case
Sun Microsystems, Inc. (A6): Enterprise 250: Mark Canepa on the Newcomer as Change Agent
By: Rosabeth M. Kanter and Jane Roessner
Coming to Sun Microsystems after 20 years with Hewlett-Packard (HP), Mark Canepa brought a highly organized leadership style more characteristic of HP than Sun. His goal was to use the development of a new workstation product to build a disciplined, process-oriented,... View Details
- 2017
- Working Paper
Rainy Day Stocks
By: Niels Gormsen and Robin Greenwood
We study the good- and bad-times performance of equity portfolios formed on characteristics. Many characteristics associated with good performance during bad times – value, profitability, small size, safety, and total volatility – also perform well during good times.... View Details
Gormsen, Niels, and Robin Greenwood. "Rainy Day Stocks." Harvard Business School Working Paper, No. 17-066, January 2017.
- Research Summary
Growth and the Quality of Foreign Direct Investment: Is All FDI Equal? (joint with Andrew Charlton)
By: Laura Alfaro
In this paper we distinguish different qualities of FDI to re-examine the relationship between FDI and growth. Establishing the quality of FDI, however, is a difficult concept. Quality, that is the effect of a unit of FDI on economic growth, is a combination and... View Details
- Article
Medical Group Structural Integration May Not Ensure That Care Is Integrated, From The Patient's Perspective
By: Michaela J. Kerrissey, Jonathan Clark, Mark Friedberg, Wei Jiang, Ashley Kay Fryer, Molly Frean, Stephen Shortell, Patricia Ramsay, Lawrence Casalino and Sara J. Singer
Structural integration is increasing among medical groups, but whether these changes yield care that is more integrated remains unclear. We explored the relationships between structural integration characteristics of 144 medical groups and perceptions of integrated... View Details
Keywords: Integration; Health Care Delivery; Organization Structure; Organizational Structure; Health Care and Treatment; Perception; Perspective; Health Industry; United States
Kerrissey, Michaela J., Jonathan Clark, Mark Friedberg, Wei Jiang, Ashley Kay Fryer, Molly Frean, Stephen Shortell, Patricia Ramsay, Lawrence Casalino, and Sara J. Singer. "Medical Group Structural Integration May Not Ensure That Care Is Integrated, From The Patient's Perspective." Health Affairs 36, no. 5 (May 2017): 885–892. (Awarded Academy of Management Best Paper Proceedings.)
- February 1985 (Revised September 1988)
- Case
Komatsu Ltd.
Reviews and updates the structure and characteristics of the earth-moving equipment industry presented in the companion case, Caterpillar Tractor Co. After revealing that CAT has suffered major financial losses during the period from 1981 through 1984, the case... View Details
Keywords: Financial Crisis; Machinery and Machining; Price; Growth and Development; Brands and Branding; Product Development; Production; Competitive Strategy; Global Strategy; Manufacturing Industry; Agriculture and Agribusiness Industry; Industrial Products Industry
Bartlett, Christopher A. "Komatsu Ltd." Harvard Business School Case 385-277, February 1985. (Revised September 1988.)
- 2024
- Working Paper
What Do Impact Investors Do Differently?
In recent years, impact investors – private investors who seek to generate simultaneously financial and social returns – have attracted intense interest and controversy. We analyze a novel, comprehensive data set of impact and traditional investors to assess how the... View Details
Keywords: ESG; Socially Responsible Investing; Investment Decisions; Public Goods; Impact Investment; Investment; Private Equity; Venture Capital
Cole, Shawn, Leslie Jeng, Josh Lerner, Natalia Rigol, and Benjamin N. Roth. "What Do Impact Investors Do Differently?" Harvard Business School Working Paper, No. 24-028, November 2023. (Revise and Resubmit, Review of Financial Studies.)
- 2020
- Working Paper
Transaction Cost Economics in the Digital Economy: A Research Agenda
By: Frank Nagle, Robert Seamans and Steve Tadelis
Transaction Cost Economics (TCE) theory has played an important role in understanding when it is more efficient for a transaction between two parties to occur within the market or within an organization. However, as more transactions occur in a digitally-mediated... View Details
Keywords: Transaction Cost Economics; Digital Economy; Economics; Cost; Markets; Research; Digital Transformation
Nagle, Frank, Robert Seamans, and Steve Tadelis. "Transaction Cost Economics in the Digital Economy: A Research Agenda." Harvard Business School Working Paper, No. 21-009, July 2020.