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Show Results For
- All HBS Web
(1,536)
- People (10)
- News (458)
- Research (765)
- Events (2)
- Multimedia (9)
- Faculty Publications (321)
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- June 2021
- Article
Cognition and Emotion in Extreme Political Action: Individual Differences and Dynamic Interactions
By: Leor Zmigrod and Amit Goldenberg
Who is most likely to join and engage in extreme political action? While traditional theories have focused on situational factors or group identity attributes, an emerging science illustrates that tendencies for extreme political action may also be rooted in... View Details
Keywords: Extreme Political Action; Ideology; Political Psychology; Cognition-emotion Interactions; Cognition and Thinking; Emotions; Personal Characteristics
Zmigrod, Leor, and Amit Goldenberg. "Cognition and Emotion in Extreme Political Action: Individual Differences and Dynamic Interactions." Current Directions in Psychological Science 30, no. 3 (June 2021): 218–227.
- May 2011
- Article
Extreme Productivity
By: Robert C. Pozen
A veteran top executive at two giant mutual fund companies, the author has also been an attorney, a government official, a law school professor, and a business school professor-sometimes simultaneously. Over the years, he has devised a number of principles and... View Details
Keywords: Managerial Roles; Time Management; Performance Capacity; Performance Effectiveness; Performance Productivity; Personal Development and Career
Pozen, Robert C. "Extreme Productivity." Harvard Business Review 89, no. 5 (May 2011).
- January 2014
- Technical Note
Learning From Extreme Consumers
By: Jill Avery and Michael Norton
Traditional market research methods focus on understanding the average experiences of average consumers. This focus leads to gaps in our knowledge of consumer behavior and often fails to uncover insights that can drive revolutionary, rather than evolutionary... View Details
Keywords: Market Research; Ethnography; Design Thinking; Innovation; New Product Development; Research; Marketing; Consumer Behavior; Innovation and Invention
Avery, Jill, and Michael Norton. "Learning From Extreme Consumers." Harvard Business School Technical Note 314-086, January 2014.
- 19 Dec 2012
- Research & Ideas
How to be Extremely Productive
Extreme Productivity: Boost Your Results, Reduce Your Hours, he shares more performance-enhancing tips on everything from how to sleep better on overnight business flights (window seat, no alcohol, earplugs, and eyeshades) to dealing with... View Details
Keywords: by Deborah Blagg
- 2007
- Working Paper
Extremeness Seeking: When and Why Consumers Prefer the Extremes
By: John T. Gourville and Dilip Soman
Gourville, John T., and Dilip Soman. "Extremeness Seeking: When and Why Consumers Prefer the Extremes." Harvard Business School Working Paper, No. 07-092, May 2007.
- 31 May 2007
- Working Paper Summaries
Extremeness Seeking: When and Why Consumers Prefer the Extremes
Keywords: by John T. Gourville & Dilip Soman
- 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.
- 2015
- Working Paper
Configurations of Extremal Type II Codes
By: Noam D. Elkies and Scott Duke Kominers
We prove configuration results for extremal Type II codes, analogous to the configuration results of Ozeki and of the second author for extremal Type II lattices. Specifically, we show that for n∈{8,24,32,48,56,72,96} every extremal Type II code of length n is... View Details
Keywords: Mathematical Methods
Elkies, Noam D., and Scott Duke Kominers. "Configurations of Extremal Type II Codes." Working Paper, March 2015.
- 2017
- Book
Extreme Teaming: Lessons in Complex, Cross-Sector Leadership
By: Amy C. Edmondson and Jean-François Harvey
Today's global enterprises increasingly involve collaborative work by teams of experts operating across different professions, organizations, and industries. Extreme Teaming provides new insights into the world of complex, cross-industry projects and the ways... View Details
Edmondson, Amy C., and Jean-François Harvey. Extreme Teaming: Lessons in Complex, Cross-Sector Leadership. Emerald Group Publishing, 2017.
- April 19, 2023
- Editorial
Extreme Views Are More Attractive Than Moderate Ones
By: Amit Goldenberg
Do you ever feel like everyone on social media has a more extreme viewpoint than your own? We often blame social media companies for the cacophony of politically extreme opinions around us. After all, these companies are generally motivated to promote the most... View Details
Goldenberg, Amit. "Extreme Views Are More Attractive Than Moderate Ones." Scientific American (website) (April 19, 2023).
- March 2025
- Case
GiveDirectly: Can Direct Cash Transfers End Extreme Poverty?
By: Natalia Rigol, Benjamin N. Roth, Sarah Mehta and John Schultz
Founded in 2008, GiveDirectly was a nonprofit organization that used direct cash transfers—giving people cash via mobile money—to combat poverty worldwide. By August 2024, the organization had transferred over $800 million to poor people in targeted communities and... View Details
- 2019
- Article
Configurations of Extremal Type II Codes via Harmonic Weight Enumerators
By: Noam D. Elkies and Scott Duke Kominers
We prove configuration results for extremal Type II codes, analogous to the configuration results of Ozeki and of the second author for extremal Type II lattices. Specifically, we show that for n ∈{8,24,32,48,56,72,96} every extremal Type II code of length n is... View Details
Keywords: Mathematical Methods
Elkies, Noam D., and Scott Duke Kominers. "Configurations of Extremal Type II Codes via Harmonic Weight Enumerators." Journal de Théorie des Nombres de Bordeaux 31, no. 3 (2019): 679–688.
- 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.
- April 2018
- Article
Extreme Teaming in an Uncertain World
By: Amy C. Edmondson
Edmondson, Amy C. "Extreme Teaming in an Uncertain World." Life Science Leader (April 2018).
- September 4, 2012
- Article
When to Hire an Extreme Leader
By: Gautam Mukunda
Mukunda, Gautam. "When to Hire an Extreme Leader." Harvard Business Review Blogs (September 4, 2012).
- December 2010
- Article
Organising Response to Extreme Emergencies: The Victorian Bushfires of 2009
By: Dutch Leonard and Arnold M. Howitt
How can people and organisations best respond to emergency events that are significantly beyond the boundaries of what they had generally anticipated, expected, prepared for-or even imagined? What forms of organisations are likely to be best able to cope with such... View Details
Keywords: Organizations; Management Practices and Processes; Natural Disasters; Crisis Management; Boundaries; United States
Leonard, Dutch, and Arnold M. Howitt. "Organising Response to Extreme Emergencies: The Victorian Bushfires of 2009." Australian Journal of Public Administration 69, no. 4 (December 2010): 372–386.
- 2012
- Book
Extreme Productivity: Boost Your Results, Reduce Your Hours
By: Robert C. Pozen
In "Extreme Productivity," Pozen reveals the secrets to workplace productivity and high performance. His book is for anyone feeling overwhelmed by an existing workload—facing myriad competing demands and multiple time-sensitive projects. Offering antidotes to a... View Details
Pozen, Robert C. Extreme Productivity: Boost Your Results, Reduce Your Hours. New York: Harper Business, 2012. (Third best business book of 2012 according to Fast Company.)
- 2018
- Working Paper
Bayesian Ensembles of Binary-Event Forecasts: When Is It Appropriate to Extremize or Anti-Extremize?
By: Kenneth C. Lichtendahl Jr., Yael Grushka-Cockayne, Victor Richmond R. Jose and Robert L. Winkler
Many organizations face critical decisions that rely on forecasts of binary events. In these situations, organizations often gather forecasts from multiple experts or models and average those forecasts to produce a single aggregate forecast. Because the average... View Details
Keywords: Forecast Aggregation; Linear Opinion Pool; Generalized Additive Model; Generalized Linear Model; Stacking.; Forecasting and Prediction
Lichtendahl, Kenneth C., Jr., Yael Grushka-Cockayne, Victor Richmond R. Jose, and Robert L. Winkler. "Bayesian Ensembles of Binary-Event Forecasts: When Is It Appropriate to Extremize or Anti-Extremize?" Harvard Business School Working Paper, No. 19-041, October 2018.
- February 2023
- Article
Homophily and Acrophily as Drivers of Political Segregation
By: Amit Goldenberg, Joseph M. Abruzzo, Zi Huang, Jonas Schone, David Bailey, Robb Willer, Eran Halperin and James J. Gross
Political segregation is an important social problem, increasing polarization and impeding effective governance. Previous work has viewed the central driver of segregation to be political homophily, the tendency to associate with others who have similar views. Here we... View Details
Keywords: Political Affiliation; Extremism; Values and Beliefs; Identity; Groups and Teams; Emotions; Civil Society or Community
Goldenberg, Amit, Joseph M. Abruzzo, Zi Huang, Jonas Schone, David Bailey, Robb Willer, Eran Halperin, and James J. Gross. "Homophily and Acrophily as Drivers of Political Segregation." Nature Human Behaviour 7, no. 2 (February 2023): 219–230.
- Article
Refined Configuration Results for Extremal Type II Lattices of Ranks 40 and 80
By: Noam D. Elkies and Scott Duke Kominers
We show that, if L is an extremal Type II lattice of rank 40 or 80, then L is generated by its vectors of norm min(L)+2. This sharpens earlier results of Ozeki, and the second author and Abel, which showed that such lattices L are generated by their vectors of norms... View Details
Keywords: Mathematical Methods
Elkies, Noam D., and Scott Duke Kominers. "Refined Configuration Results for Extremal Type II Lattices of Ranks 40 and 80." Proceedings of the American Mathematical Society 138, no. 1 (January 2010): 105–108.