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All HBS Web
(908)
- People (2)
- News (204)
- Research (431)
- Events (3)
- Multimedia (11)
- Faculty Publications (229)
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- 2013
- Chapter
Weighted Generating Functions for Type II Lattices and Codes
By: Noam D. Elkies and Scott Duke Kominers
We give a new structural development of harmonic polynomials on Hamming space, and harmonic weight enumerators of binary linear codes, that parallels one approach to harmonic polynomials on Euclidean space and weighted theta functions of Euclidean lattices. Namely, we...
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Keywords:
Mathematical Methods
Elkies, Noam D., and Scott Duke Kominers. "Weighted Generating Functions for Type II Lattices and Codes." In Quadratic and Higher Degree Forms. Vol. 31, edited by Alladi Krishnaswami, Manjul Bhargava, David Savitt, and Pham Huu Tiep, 63–108. Developments in Mathematics. Springer, 2013.
- May 2013
- Case
Launching Krispy Natural: Cracking the Product Management Code
By: Frank V. Cespedes and Heather Beckham
Pemberton Products is a U.S. market leader in the cookie and bakery snacks segment of the sweet snack market. Looking to expand into the salty snack market, the company acquires Krispy Inc., a maker of salty snack crackers located in the southeastern U.S. To compete...
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Keywords:
Analytics and Data Science;
Competition;
Organizational Culture;
Management Teams;
Brands and Branding;
Expansion;
Marketing Strategy;
Product Launch;
Acquisition;
Food and Beverage Industry;
Ohio;
United States
Cespedes, Frank V., and Heather Beckham. "Launching Krispy Natural: Cracking the Product Management Code." Harvard Business School Brief Case 913-574, May 2013.
- October 2023 (Revised March 2024)
- Case
GameStop: Social Media Finds a Cheat Code
By: Joseph Pacelli and Sarah Mehta
This case covers the events leading up to the 2021 GameStop short squeeze. Using GameStop as an illustrative example, the case explores the rise in retail trading, increased financial information sharing on social media, and the gamification of investing enabled by...
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- 2003
- Working Paper
DENA Coding Scheme (Detailed Event Narrative Analysis)
By: Teresa M. Amabile, Jennifer S. Mueller and Susan M. Archambault
- 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...
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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.
- 2006
- Article
Voluntary Codes of Conduct for Multinational Corporations: Coordinating Duties of Rescue and Justice
By: Nien-he Hsieh
This paper examines the extent to which the voluntary adoption of codes of conduct by multinational corporations (MNCs) renders MNCs accountable for the performance of actions specified in a code of conduct. In particular, the paper examines the ways in which codes of...
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Keywords:
Business Ventures
Hsieh, Nien-he. "Voluntary Codes of Conduct for Multinational Corporations: Coordinating Duties of Rescue and Justice." Business Ethics Quarterly 16, no. 2 (April 2006): 119–135.
- 2010
- Article
On the Classification of Type II Codes of Length 24
By: Noam D. Elkies and Scott Duke Kominers
We give a new, purely coding-theoretic proof of Koch's criterion on the tetrad systems of Type II codes of length 24 using the theory of harmonic weight enumerators. This approach is inspired by Venkov's approach to the classification of the root systems of Type II...
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Keywords:
Mathematical Methods
Elkies, Noam D., and Scott Duke Kominers. "On the Classification of Type II Codes of Length 24." SIAM Journal on Discrete Mathematics 23, no. 4 (2010).
- 14 May 2019
- Research & Ideas
Ethics Bots and Other Ways to Move Your Code of Business Conduct Beyond Puffery
required employees to uphold all regulations and “act with integrity in all that we do.” When the panel of three judges took a look at the argument, however, they threw it out of court as irrelevant. “We think the statements in Cigna’s View Details
Keywords:
by Michael Blanding
- July–August 2019
- Article
Coupling Labor Codes of Conduct and Supplier Labor Practices: The Role of Internal Structural Conditions
By: Yanhua Bird, Jodi L. Short and Michael W. Toffel
Exploitive working conditions have spurred companies to pressure their suppliers to adopt labor codes of conduct and to conform their labor practices to the standards set forth in those codes. Yet little is known about whether organizational structures such as codes...
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Keywords:
Organization Theory;
Economic Sociology;
Social Responsibility;
Sustainability;
Auditing;
Process Improvement;
Organizational Structure;
Corporate Social Responsibility and Impact;
Supply Chain;
Labor;
Working Conditions
Bird, Yanhua, Jodi L. Short, and Michael W. Toffel. "Coupling Labor Codes of Conduct and Supplier Labor Practices: The Role of Internal Structural Conditions." Organization Science 30, no. 4 (July–August 2019): 847–867. (Best Paper Award at ComplianceNet Conference 2019, 2020 Responsible Research in Management Award Finalist.)
- May 2013
- Teaching Note
Launching Krispy Natural: Cracking the Product Management Code (Brief Case)
By: Frank V. Cespedes and Heather Beckham
This case study concerns a review and interpretation of test market results for a new packaged good product. The purpose of the case is to provide students with practice and guidelines in the analysis of quantitative test market data while illustrating the roles of...
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- Article
Kill or Die: Moral Judgment Alters Linguistic Coding of Causality
By: Julian De Freitas, Peter DiScioli, Jason Nemirow, Maxim Massenkoff and Steven Pinker
What is the relationship between the language people use to describe an event and their moral judgments?
We test the hypothesis that moral judgment and causative verbs rely on the same underlying mental
model of people’s actions. Experiment 1a finds that participants...
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Keywords:
Moral Cognition;
Moral Psychology;
Causative Verbs;
Trolley Problem;
Argument Structure;
Moral Sensibility;
Judgments
De Freitas, Julian, Peter DiScioli, Jason Nemirow, Maxim Massenkoff, and Steven Pinker. "Kill or Die: Moral Judgment Alters Linguistic Coding of Causality." Journal of Experimental Psychology: Learning, Memory, and Cognition 43, no. 8 (August 2017): 1173–1182.
- February 2007
- Module Note
The Remains of the Day Summary: Reasoning From a Moral Code
By: Sandra J. Sucher
A summary of the major themes discussed in the seventh class of The Moral Leader (EC curriculum).
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Sucher, Sandra J. "The Remains of the Day Summary: Reasoning From a Moral Code." Harvard Business School Module Note 607-071, February 2007.
- September 19, 2017
- Article
After Equifax Breach, Companies Advised to Review Open-Source Software Code
By: Ben DiPietro and Lou Shipley
It doesn’t make much sense: At a time when high-powered automated trading systems can execute stock sales in real time, some companies that rely on open-source software to help to run their businesses track their open-source use on spread sheets on paper.
Lou... View Details
Lou... View Details
Keywords:
Software;
Open-source;
Security Vulnerabilities;
Data Privacy;
Hack;
Applications and Software;
Safety;
Cybersecurity
DiPietro, Ben, and Lou Shipley. "After Equifax Breach, Companies Advised to Review Open-Source Software Code." Wall Street Journal (September 19, 2017).
- 26 Dec 2012
- Working Paper Summaries
Reinforcing Regulatory Regimes: How States, Civil Society, and Codes of Conduct Promote Adherence to Global Labor Standards
- May 2013
- Conference Presentation
Which Suppliers Better Adhere to International Labor Standards? Evidence from Codes of Conduct Audits
- 2016
- Working Paper
The U.S. Chamber of Commerce and the Modern Administrative State, 1912–1925: Trade Associations, Codes of Fair Competition, and State Building
By: Laura Phillips Sawyer
From its founding in 1912 through the interwar years, the Chamber's history shows a persistent preoccupation with progressive economics and policy-making. Rather than flouting the new ideas of institutional economics, which favored federal regulators overseeing data...
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Phillips Sawyer, Laura. "The U.S. Chamber of Commerce and the Modern Administrative State, 1912–1925: Trade Associations, Codes of Fair Competition, and State Building." Harvard Business School Working Paper, No. 16-085, February 2016.
- 05 Jul 2006
- Working Paper Summaries
Exploring the Structure of Complex Software Designs: An Empirical Study of Open Source and Proprietary Code
- 2004
- Working Paper
Exploring the Structure of Complex Software Designs: An Empirical Study of Open Source and Proprietary Code
By: Alan MacCormack, John Rusnak and Carliss Y. Baldwin
MacCormack, Alan, John Rusnak, and Carliss Y. Baldwin. "Exploring the Structure of Complex Software Designs: An Empirical Study of Open Source and Proprietary Code." Harvard Business School Working Paper, No. 05-016, October 2004. (Revised 3/06.)
- 14 Feb 2013
- Talk
Reinforcing Regulatory Regimes: How States, Civil Society, and Codes of Conduct Promote Adherence to Global Labor Standards
Toffel, Michael W. "Reinforcing Regulatory Regimes: How States, Civil Society, and Codes of Conduct Promote Adherence to Global Labor Standards." New Directions in Regulation Seminar Series, Harvard Kennedy School Regulatory Policy Program, Cambridge, MA, United States, February 14, 2013.