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Show Results For
- All HBS Web
(1,044)
- News (272)
- Research (611)
- Events (5)
- Multimedia (8)
- Faculty Publications (332)
- May 2009
- Article
Configurations of Extremal Even Unimodular Lattices
We extend the results of Ozeki on the configurations of extremal even unimodular lattices. Specifically, we show that if L is such a lattice of rank 56, 72, or 96, then L is generated by its minimal-norm vectors. View Details
Keywords: Mathematical Methods
Kominers, Scott Duke. "Configurations of Extremal Even Unimodular Lattices." International Journal of Number Theory 5, no. 3 (May 2009): 457–464.
- 18 Feb 2013
- News
Jefferson and Lincoln: Different leaders for different times
- 03 Jan 2018
- News
This is how much money it takes for millionaires to be happy
- 23 May 2011
- Op-Ed
Leading and Lagging Countries in Contributing to a Sustainable Society
Editor's note: Please see related story, Corporate Sustainability Reporting: It's Effective. To what extent companies contribute to a sustainable society is a question increasingly important, not only to the companies themselves, but also to investors, the countries... View Details
Keywords: by Robert G. Eccles & George Serafeim
- 20 Sep 2010
- News
Power Posing: Fake It Until You Make It
- February 1991 (Revised August 2001)
- Case
Ann Hopkins (A)
By: Joseph L. Badaracco Jr. and Ilyse Barkan
Intended to help students understand the many barriers organizations face as their members and their management ranks grow more diverse. As a case on business ethics, it encourages students to discuss what "fairness" and "diversity" mean when an organization is also... View Details
Keywords: Ethics; Employee Relationship Management; Organizational Culture; Organizational Structure; Problems and Challenges; Groups and Teams
Badaracco, Joseph L., Jr., and Ilyse Barkan. "Ann Hopkins (A)." Harvard Business School Case 391-155, February 1991. (Revised August 2001.)
- 2018
- Chapter
Work and Well-being: A Global Perspective
By: Jan-Emmanuel De Neve, and Council Members: A. Blankson, A. Clark, C. Cooper, H. James, C. Krekel, J. Lim, P. Litchfield, J. Moss, M. I. Norton, M. Rojas, G. Ward and A.V. Whillans
Work and employment play a central role in most people’s lives. In OECD countries, for example, people spend around a third of their waking hours engaged in paid work. We not only spend considerable amounts of our time at work, employment and workplace quality also... View Details
De Neve, Jan-Emmanuel, and Council Members: A. Blankson, A. Clark, C. Cooper, H. James, C. Krekel, J. Lim, P. Litchfield, J. Moss, M. I. Norton, M. Rojas, G. Ward, and A.V. Whillans. "Work and Well-being: A Global Perspective." Chap. 5 in Global Happiness Policy Report, edited by Global Council for Happiness and Wellbeing, 74–127. New York: Sustainable Development Solutions Network, 2018. Electronic.
- 01 Aug 2015
- News
Harvard professor warns of infrastructure woes
- 18 Nov 2014
- News
Want Stronger, Happier Families? Offer Paternity Leave For New Dads
- July 2021 (Revised October 2021)
- Case
Allianz Customer Centricity: Is Simplicity the Way Forward?
By: Eva Ascarza and Emilie Billaud
This case explores the tradeoffs between product personalization and simplicity as companies grow. The case presents an opportunity to understand whether and how each of these approaches enables and/or limits companies’ abilities to provide customer satisfaction while... View Details
Keywords: Simplicity; Customer Focus and Relationships; Customization and Personalization; Customer Satisfaction; Performance Efficiency; Strategy; Insurance Industry; Europe; Germany
Ascarza, Eva, and Emilie Billaud. "Allianz Customer Centricity: Is Simplicity the Way Forward?" Harvard Business School Case 522-008, July 2021. (Revised October 2021.)
- 07 Jan 2020
- Cold Call Podcast
Can Capitalism Be Fixed by Making Companies More Just?
- 27 Sep 2016
- News
How Companies Are Different When More Women Are in Power
- 05 Sep 2012
- News
Study: Countries with more tipping are more corrupt
- February 1999 (Revised June 1999)
- Case
Bloomberg L.P.
By: Clayton M. Christensen, Richard G. Hamermesh and Jeremy Dann
Michael Bloomberg founded his company to provide customers quick access to financial market data and analytical tools for understanding that data. As Bloomberg L.P. grew quickly,entered the ranks of "large, established companies," it grappled with a whole new range of... View Details
Keywords: Human Resources; Management Analysis, Tools, and Techniques; Organizational Culture; Organizational Structure; Problems and Challenges
Christensen, Clayton M., Richard G. Hamermesh, and Jeremy Dann. "Bloomberg L.P." Harvard Business School Case 399-081, February 1999. (Revised June 1999.)
- May 23, 2011
- Article
Leading and Lagging Countries in Contributing to a Sustainable Society
By: Robert G. Eccles and George Serafeim
To determine the extent to which corporate and investor behavior is changing to contribute to a more sustainable society, researchers Robert Eccles and George Serafeim analyzed data involving over 2,000 companies in 23 countries. One result: a ranking of countries... View Details
Keywords: Change; Society; Corporate Disclosure; Natural Environment; Rank and Position; Social Issues; Financial Statements; Behavior
Eccles, Robert G., and George Serafeim. "Leading and Lagging Countries in Contributing to a Sustainable Society." Harvard Business School Working Knowledge (May 23, 2011).
- Article
Configurations of Rank-40r Extremal Even Unimodular Lattices (r=1,2,3)
By: Scott Duke Kominers and Zachary Abel
We show that if L is an extremal even unimodular lattice of rank 40r with r=1,2,3 then L is generated by its vectors of norms 4r and 4r+2. Our result is an extension of Ozeki's result for the case r=1. View Details
Keywords: Mathematical Methods
Kominers, Scott Duke, and Zachary Abel. "Configurations of Rank-40r Extremal Even Unimodular Lattices (r=1,2,3)." Journal de Théorie des Nombres de Bordeaux 20, no. 2 (2008): 365–371.
- January 2006 (Revised June 2008)
- Case
Lehman Brothers (A): Rise of the Equity Research Department
By: Ashish Nanda, Boris Groysberg and Lauren Prusiner
Under Jack Rivkin's leadership, Shearson Lehman's research department rose from relative obscurity to the highest ranking research department on Wall Street within three years. When Rivkin is promoted to head of equity, he wonders how to succeed in his new position. A... View Details
Keywords: Talent and Talent Management; Leadership; Service Operations; Organizational Culture; Research; Alignment
Nanda, Ashish, Boris Groysberg, and Lauren Prusiner. "Lehman Brothers (A): Rise of the Equity Research Department." Harvard Business School Case 906-034, January 2006. (Revised June 2008.)