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Show Results For
- All HBS Web
(2,276)
- People (14)
- News (381)
- Research (1,402)
- Events (9)
- Multimedia (8)
- Faculty Publications (770)
- 2010
- Working Paper
Does Diversification Create Value in the Presence of External Financing Constraints? Evidence from the 2007-2009 Financial Crisis
We show that the value of corporate diversification increased during the 2007-2009 financial crisis. Diversification gave firms both financing and investment advantages. First, conglomerates became significantly more leveraged relative to comparable focused firms.... View Details
Keywords: Diversification; Financial Crisis; Resource Allocation; Investment; Financing and Loans; Business Conglomerates; Capital Markets
Kuppuswamy, Venkat, and Belen Villalonga. "Does Diversification Create Value in the Presence of External Financing Constraints? Evidence from the 2007-2009 Financial Crisis." Harvard Business School Working Paper, No. 10-101, May 2010. (Revised November 2010.)
- January 1991 (Revised November 1994)
- Case
Black Caucus Groups at Xerox Corp. (A)
In 1970 Xerox had a very progressive affirmative action program yet, once hired, black employees faced serious problems, due both to overt discrimination and to their exclusion from the informal networks of support, information and mentoring that the other salespeople... View Details
Keywords: Prejudice and Bias; Alliances; Race Characteristics; Employees; Consumer Products Industry; Electronics Industry; United States
Friedman, Raymond A. "Black Caucus Groups at Xerox Corp. (A)." Harvard Business School Case 491-047, January 1991. (Revised November 1994.)
- Research Summary
Heteroskedasticity Autocorrelation Consistent Covariance Matrix Estimation with Wavelets
I propose a new HAC estimator based on the wavelet representation of the spectral density. Whereas kernel-based HAC estimators [e.g. Newey West (1987) Andrews (1991)] have a fixed bandwidth, a wavelet estimator has bandwidths that vary across wavelet resolution... View Details
- 2020
- Chapter
The Group Malleability Intervention: Addressing Intergroup Conflicts by Changing Perceptions of Outgroup Malleability
By: Amit Goldenberg, J. J. Gross and Eran Halperin
Precise shifts in the ways people make sense of themselves, others, and social situations can help people flourish. This compelling handbook synthesizes the growing body of research on wise interventions—brief, nonclinical strategies that are "wise" to the impact of... View Details
Goldenberg, Amit, J. J. Gross, and Eran Halperin. "The Group Malleability Intervention: Addressing Intergroup Conflicts by Changing Perceptions of Outgroup Malleability." Chap. 15 in Handbook of Wise Interventions: How Social Psychology Can Help People Change, edited by Gregory M. Walton and Alia J. Crum. New York, NY: Guilford Press, 2020.
- 2011
- Working Paper
The Cost of Capital for Alternative Investments
By: Jakub W. Jurek and Erik Stafford
This paper studies the cost of capital for alternative investments. We document that the risk profile of the aggregate hedge fund universe can be accurately matched by a simple index put option writing strategy that offers monthly liquidity and complete transparency... View Details
Keywords: Cost of Capital; Financial Liquidity; Investment; Investment Return; Mathematical Methods; Risk and Uncertainty
Jurek, Jakub W., and Erik Stafford. "The Cost of Capital for Alternative Investments." Harvard Business School Working Paper, No. 12-013, September 2011. (NBER Working Paper Series, No. 19643, November 2013.)
- August 2008
- Case
Sloan & Harrison: Non-Equity Partner Discontent
By: Boris Groysberg and Eliot Sherman
The law firm, Sloan & Harrison, was dealing with some discontent among its junior non-equity partners. These partners were concerned with the transparency of the advancement process, their ability to position themselves as both leaders within the firm and rainmakers,... View Details
Keywords: Employees; Human Resources; Leadership Development; Management Style; Performance; Work-Life Balance; Legal Services Industry
Groysberg, Boris, and Eliot Sherman. "Sloan & Harrison: Non-Equity Partner Discontent." Harvard Business School Case 409-033, August 2008.
- Article
Businessmen and Land Ownership in the Late Nineteenth Century
By: Tom Nicholas
This article analyses the proportions of personal to real estate wealth for a group of 295 businessmen profiled in the Dictionary of business biography. It shows that businessmen who owned land on a large scale in the late nineteenth century were a comparatively small... View Details
Keywords: Ownership; Personal Finance; Property; Biography; History; Acquisition; Wealth; Power and Influence; Status and Position; Integration; Transformation; Market Transactions
Nicholas, Tom. "Businessmen and Land Ownership in the Late Nineteenth Century." Economic History Review 52, no. 1 (February 1999): 27–44.
- Program
Leading in the Digital Era
leadership approach, behaviors, and capabilities to enable your organization to become digitally mature Lead and build a culture of collaboration, empowerment, and inclusion that bridges across generations, geographies, and functions... View Details
- May 2023
- Article
Competition in Pricing Algorithms
By: Zach Y. Brown and Alexander J. MacKay
We document new facts about pricing technology using high-frequency data, and we examine the implications for competition. Some online retailers employ technology that allows for more frequent price changes and automated responses to price changes by rivals. Motivated... View Details
Keywords: Pricing Algorithms; Pricing Frequency; Commitment; Online Competition; Price; Information Technology; Competition
Brown, Zach Y., and Alexander J. MacKay. "Competition in Pricing Algorithms." American Economic Journal: Microeconomics 15, no. 2 (May 2023): 109–156.
- 2016
- Article
Do External Labor Market Job Switches Affect the Gender Compensation Gap?
By: Boris Groysberg, Paul M. Healy and Eric Lin
This paper investigates how external mobility influences the gender compensation gap for job switching executives. Using proprietary data for 2,034 executive placements from a global search firm, we find job switching narrows the gender gap by 45%, from 11% to 6%. We... View Details
Groysberg, Boris, Paul M. Healy, and Eric Lin. "Do External Labor Market Job Switches Affect the Gender Compensation Gap?" Academy of Management Annual Meeting Proceedings (2016).
- March 2018
- Article
Scraped Data and Sticky Prices
By: Alberto Cavallo
I use daily prices collected from online retailers in five countries to study the impact of measurement bias on three common price stickiness statistics. Relative to previous results, I find that online prices have longer durations, with fewer price changes close to... View Details
Keywords: Online Data; Scraped Data; Sticky Prices; Scanner Data; Consumer Price Index; Price; Data and Data Sets
Cavallo, Alberto. "Scraped Data and Sticky Prices." Review of Economics and Statistics 100, no. 1 (March 2018): 105–119.
- July 1991 (Revised September 1995)
- Case
Eastman Kodak Co.: Managing Information Systems Through Strategic Alliances
In January 1988, Colby Chandler, Kodak CEO, created the Corporate Information Systems (CIS) and appointed Katherine Hudson head. She at once became the first head of IT and first woman corporate vice president in the company. Throughout 1989, Hudson inaugurated a... View Details
Keywords: Corporate Strategy; Information Technology; Partners and Partnerships; Organizational Structure; Success; Trends; Information Management; Service Operations; Manufacturing Industry
Applegate, Lynda M. "Eastman Kodak Co.: Managing Information Systems Through Strategic Alliances." Harvard Business School Case 192-030, July 1991. (Revised September 1995.)
- December 2003 (Revised February 2008)
- Background Note
Law and Legal Reasoning: An Introduction
By: Henry B. Reiling
Gives prominence to Mr. Justice Holmes' Prediction Theory of the law as a practical--and by analogy to forecasting in finance and other functional areas of business--comfortable, and familiar way for businesspeople to think about the law. Law is defined as a forecast... View Details
Reiling, Henry B. "Law and Legal Reasoning: An Introduction." Harvard Business School Background Note 204-080, December 2003. (Revised February 2008.)
- July 1999 (Revised January 2000)
- Case
Yahoo!: Business on Internet Time
By: Jan W. Rivkin and Jay R. Girotto
In the wake of major competitive moves, CEO Tim Koogle and his senior team at Yahoo!, an Internet portal, must decide whether and how to adjust their strategy. Following deals between AOL and Netscape, Excite and @Home, Infoseek and Disney, and Snap and NBS, Yahoo!... View Details
Keywords: Competitive Strategy; Growth and Development Strategy; Business Strategy; Organizational Structure; Industry Structures; Internet and the Web; Risk Management; Technological Innovation; Business or Company Management; Information Technology Industry; Web Services Industry
Rivkin, Jan W., and Jay R. Girotto. "Yahoo!: Business on Internet Time." Harvard Business School Case 700-013, July 1999. (Revised January 2000.)
- 06 Mar 2016
- News
From the Net to the Masses
Jan W. Rivkin
Jan W. Rivkin is a Professor in the Strategy Unit at Harvard Business School. In the past, he has served as Faculty Chair of the MBA Program, Senior Associate Dean for Research, and head of the Strategy Unit. His research, course development, and teaching focus on... View Details
- Forthcoming
- Article
On the Economic Origins of Concerns Over Women’s Chastity
By: Anke Becker
This paper studies the origins and function of customs and norms that intend to keep women from being promiscuous. Using large-scale survey data from more than 100 countries, I test the anthropological theory that a particular form of preindustrial... View Details
Keywords: Infibulation; Female Sexuality; Paternity Uncertainty; Concern About Women's Chastity; Pastoralism; Economic Anthropology; History; Gender; Social Issues; Culture
Becker, Anke. "On the Economic Origins of Concerns Over Women’s Chastity." Review of Economic Studies (forthcoming). (Pre-published online August 26, 2024.)
- Article
Agility Hacks
By: Amy C. Edmondson and Ranjay Gulati
In the past 20 years, the agile approach to improving products, services, and processes has swept the business world. Rooted in software development, agile has spread to many other functions, and some companies have turned much of their organization, including the... View Details
Keywords: Agile Practices; Agile Project Management; Projects; Management Practices and Processes; Groups and Teams; Innovation Strategy
Edmondson, Amy C., and Ranjay Gulati. "Agility Hacks." Harvard Business Review 99, no. 6 (November–December 2021).
- July 2003 (Revised January 2013)
- Background Note
Note on Organized Labor in U.S. Public Education
Surveys the history, structure, and activities of the two dominant U.S. teachers unions—the National Education Association (NEA) and the American Federation of Teachers (AFT). The NEA and AFT represent approximately 90% of U.S. public school teachers and have grown... View Details
Leschly, Stig. "Note on Organized Labor in U.S. Public Education." Harvard Business School Background Note 804-018, July 2003. (Revised January 2013.)
- 06 Jul 2020
- News