Publications
Publications
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- All HBS Web
(5,242)
- Faculty Publications (989)
- Article
Investor Sentiment in the Stock Market
By: Malcolm Baker and Jeffrey Wurgler
We examine how investor sentiment affects the cross-section of stock returns. Theory predicts that a broad wave of sentiment will disproportionately affect stocks whose valuations are highly subjective and are difficult to arbitrage. We test this prediction by... View Details
- February 2007 (Revised April 2010)
- Case
Wyeth Pharmaceuticals: Spurring Scientific Creativity with Metrics
By: Robert S. Huckman, Gary P. Pisano and Mark Rennella
Describes the reorganization of the drug discovery organization at Wyeth Pharmaceuticals and focuses on the decisions to: (1) centralize decision-making within drug discovery and (2) institute numerical metrics--jointly affecting all R&D scientists--for the progression... View Details
- February 2007 (Revised January 2008)
- Supplement
Multifactor Models (CW)
By: Malcolm P. Baker
- 2007
- Working Paper
Behavioral Decision Research, Legislation, and Society: Three Cases
By: Max H. Bazerman
- November 2006 (Revised May 2025)
- Case
Eli Lilly: Developing Cymbalta
By: Elie Ofek and Ron Laufer
Anticipating the expiration of its Prozac patent, Eli Lilly has to make tough decisions regarding the development of its next-generation antidepressant drug. In particular, the company needs to decide whether to first establish that once-a-day dosing for Cymbalta... View Details
- November 2006 (Revised November 2009)
- Course Overview Note
Introduction to Competitive Dynamics: Strategy and Tactics
By: Dennis A. Yao
Provides an overview of the course Competitive Dynamics: Strategy and Tactics and discusses challenges facing those who wish to use game theory to assist in strategic and tactical decision making. View Details
- October 2006
- Article
Location Choices across the Value Chain: How Activity and Capability Influence Collocation
By: Juan Alcacer
There has been a recent revival of interest in the geographic component of firm strategy. Recent research suggests that two opposing forces—competition costs and agglomeration benefits—determine whether firms collocate in a given geographic market. Unexplored is (1)... View Details
- August 2006
- Background Note
Analyzing Work Groups
By: Linda A. Hill and Michel Anteby
Work groups are the building blocks of organizations. They are found in all areas of an organization, from research and development to customer service, and at all levels, from the executive suite to the factory floor. Some are incredibly successful, while others are... View Details
- August 2006
- Article
Investor Sentiment and the Cross Section of Stock Returns
By: Malcolm Baker and Jeffrey Wurgler
We examine how investor sentiment affects the cross-section of stock returns. Theory predicts that a broad wave of sentiment will disproportionately affect stocks whose valuations are highly subjective and are difficult to arbitrage. We test this prediction by... View Details
- August 2006
- Article
Predicting Returns with Managerial Decision Variables: Is There a Small-Sample Bias?
By: Malcolm Baker, Ryan Taliaferro and Jeffrey Wurgler
Many studies find that aggregate managerial decision variables, such as aggregate equity issuance, predict stock or bond market returns. Recent research argues that these findings may be driven by an aggregate time-series version of Schultz's (2003, Journal of Finance... View Details
- 2006
- Article
Schumpeter's Plea: Historical Methods in the Study of Entrepreneurship
By: Rohit Daniel Wadhwani and Geoffrey Jones
This paper outlines the case for why and how historical methods are important to the study of entrepreneurship. We show that research in entrepreneurship has displayed declining attention to historical context since the field first emerged in the 1940s. We discuss why... View Details
- 2006
- Chapter
A Decision Perspective on Organizations: Social Cognition, Behavioral Decision Theory and the Psychological Links to Micro and Macro Organizational Behaviour
By: M. A. Neale, A. E. Tenbrunsel, T. Galvin and M. H. Bazerman
- May 2006 (Revised October 2007)
- Case
EU Verdict Against Microsoft
By: David B. Yoffie and Michael Slind
In 2004, following an investigation that began in 1998, the European Commission (EC) issued an antitrust judgment against Microsoft Corp., levying a record fine of 497 million euros ($613 million) and mandating changes of commercial behavior and bundling of Windows... View Details
- April 2006
- Background Note
Informing Service Management with Customer Data
By: Frances X. Frei and Dennis Campbell
Taught as the third module in a Harvard Business School course on Managing Service Operations. Explores the role of data analysis in ongoing service management. Describes how to realize the maximum amount of value from analyses and use this information in... View Details
- March 2006
- Background Note
Influencing Customer Behavior in Service Operations
By: Frances X. Frei and Amy C. Edmondson
Explores ways in which service firms can influence the behavior of their customers. Drawing from research on employee motivation and applying it to customer motivation, the note describes two levels of managerial control: instrumental control, which shapes behavior... View Details
- January 2006 (Revised April 2007)
- Case
General Electric Healthcare, 2006
By: Tarun Khanna and Elizabeth Raabe
In January 2006, Joe Hogan, head of General Electric (GE) Healthcare Technologies, prepared to step into William Castell's shoes as CEO of GE Healthcare, the world's leading manufacturer of diagnostic imaging equipment. In 2004, former CEO Jeff Immelt acquired Amersham... View Details
Keywords: Corporate Entrepreneurship; Cost vs Benefits; Growth and Development Strategy; Mergers and Acquisitions; Machinery and Machining; Global Range; Multinational Firms and Management; Product Design; Technological Innovation; Expansion; Value Creation; Business Subsidiaries; Health Industry; Medical Devices and Supplies Industry
- 2006
- Conference Paper
Modeling Repeated Play of the Prisoners' Dilemma with Reinforcement Learning over an Enriched Strategy Set
By: A. E. Roth and Ido Erev
- December 2005 (Revised March 2007)
- Case
Innovation and Collaboration at Merrill Lynch
By: Boris Groysberg and Ingrid Vargas
In the spring of 2005, Candace Browning, head of Global Securities Research and Economics at Merrill Lynch, led about 500 Merrill Lynch analysts worldwide in a collaborative effort to produce innovative research, most of them accustomed to working independently in... View Details
- December 2005
- Article
Adjusting Choice Models to Better Predict Market Behavior
By: Greg Allenby, Geraldine Fennel, Joel Huber, Thomas Eagle, Tim Gilbride, Jaehwan Kim, Peter Lenk, Rich Johnson, Bryan Orme, Elie Ofek, Thomas Otter and Joan Walker