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All HBS Web
(811)
- People (2)
- News (115)
- Research (609)
- Events (7)
- Multimedia (1)
- Faculty Publications (387)
Anthony Mayo
Tony Mayo is the Thomas S. Murphy Senior Lecturer of Business Administration and C. Roland Christensen Distinguished Management Educator in the Organizational Behavior Unit of Harvard Business School (HBS). He currently teaches and serves as the course head for... View Details
- 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.
- September 1996 (Revised April 1998)
- Case
Mobil USM&R (B): New England Sales and Distribution
By: Robert S. Kaplan
The general manager of a local gasoline/distillate sales and distribution business unit must communicate a new strategy to the unit's 300 employees. An initial strategic planning exercise identified a high-priority list of opportunities that blended the parent...
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Keywords:
Balanced Scorecard;
Adoption;
Strategic Planning;
Customization and Personalization;
Management Practices and Processes;
Growth and Development Strategy;
Measurement and Metrics;
Motivation and Incentives;
Performance Evaluation;
Energy Industry;
Mining Industry;
United States
Kaplan, Robert S. "Mobil USM&R (B): New England Sales and Distribution." Harvard Business School Case 197-026, September 1996. (Revised April 1998.)
- August 2000 (Revised August 2003)
- Case
Cox Communications, Inc., 1999
This case focuses on how much external financing a firm needs and what securities the firm should issue to raise this financing. Cox Communications is a major player in the cable industry, which is consolidating due to technological changes/capabilities brought about...
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Keywords:
Change Management;
Decision Choices and Conditions;
Financing and Loans;
Telecommunications Industry
Chacko, George C., and Peter Tufano. "Cox Communications, Inc., 1999." Harvard Business School Case 201-003, August 2000. (Revised August 2003.)
- 2008
- Working Paper
Deterring Online Advertising Fraud Through Optimal Payment in Arrears
By: Benjamin Edelman
Online advertisers face substantial difficulty in selecting and supervising small advertising partners. Fraud can be well-hidden, and limited reputation systems reduce accountability. But partners are not paid until after their work is complete, and advertisers can...
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Keywords:
Misleading and Fraudulent Advertising;
Online Advertising;
Profit;
Corporate Accountability;
Partners and Partnerships;
Mathematical Methods
Edelman, Benjamin. "Deterring Online Advertising Fraud Through Optimal Payment in Arrears." Harvard Business School Working Paper, No. 08-072, February 2008. (Revised August 2008, October 2008, February 2009.)
- August 2015
- Article
A Comparative-Advantage Approach to Government Debt Maturity
By: Robin Greenwood, Samuel G. Hanson and Jeremy C. Stein
We study optimal government debt maturity in a model where investors derive monetary services from holding riskless short-term securities. In a setting where the government is the only issuer of such riskless paper, it trades off the monetary premium associated with...
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Greenwood, Robin, Samuel G. Hanson, and Jeremy C. Stein. "A Comparative-Advantage Approach to Government Debt Maturity." Journal of Finance 70, no. 4 (August 2015): 1683–1722. (2015 Brattle Group Distinguished Paper for an outstanding corporate finance paper published in the Journal of Finance. Internet Appendix Here.)
- 2022
- Article
Exploring Counterfactual Explanations Through the Lens of Adversarial Examples: A Theoretical and Empirical Analysis.
By: Martin Pawelczyk, Chirag Agarwal, Shalmali Joshi, Sohini Upadhyay and Himabindu Lakkaraju
As machine learning (ML) models become more widely deployed in high-stakes applications, counterfactual explanations have emerged as key tools for providing actionable model explanations in practice. Despite the growing popularity of counterfactual explanations, a...
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Keywords:
Machine Learning Models;
Counterfactual Explanations;
Adversarial Examples;
Mathematical Methods
Pawelczyk, Martin, Chirag Agarwal, Shalmali Joshi, Sohini Upadhyay, and Himabindu Lakkaraju. "Exploring Counterfactual Explanations Through the Lens of Adversarial Examples: A Theoretical and Empirical Analysis." Proceedings of the International Conference on Artificial Intelligence and Statistics (AISTATS) 25th (2022).
- March 2012
- Article
The New Science of Viral Ads
By: Thales Teixeira
It's the holy grail of digital marketing: the viral ad, a pitch that large numbers of viewers decide to share with family and friends. Several techniques derived from new technology can help advertisers attain this. In our research, two colleagues and I use...
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Keywords:
Digital Marketing;
Information Technology;
Research;
System;
Marketing;
Emotions;
Television Entertainment
Teixeira, Thales. "The New Science of Viral Ads." Harvard Business Review 90, no. 3 (March 2012): 25–27.
- March–April 2024
- Article
How Companies Should Weigh in on a Controversy: A Better Approach to Stakeholder Management
By: David M. Bersoff, Sandra J. Sucher and Peter Tufano
Executives need guidance about managing their organizations’ engagement with societal issues—including hot-button topics such as gender, climate, and racial discrimination. Success in this realm does not mean avoiding public controversy or achieving unanimous support...
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Keywords:
Values and Beliefs;
Social Issues;
Business and Stakeholder Relations;
Judgments;
Management Practices and Processes
Bersoff, David M., Sandra J. Sucher, and Peter Tufano. "How Companies Should Weigh in on a Controversy: A Better Approach to Stakeholder Management." Harvard Business Review 102, no. 2 (March–April 2024): 108–119.
- April 2011
- Article
The Origins of Japanese Technological Modernization
By: Tom Nicholas
Explanations of Japanese technological modernization from the late nineteenth to the mid-twentieth century have increasingly focused on domestic capabilities as opposed to the traditional emphasis on knowledge transfers from the West. Yet, the literature is mostly...
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Keywords:
Knowledge Sharing;
Body of Literature;
Innovation and Invention;
Technological Innovation;
Patents;
Measurement and Metrics;
Expansion;
Growth and Development Strategy;
Economic Growth;
Developing Countries and Economies;
Information Technology;
Technology Industry;
Japan;
Germany;
Great Britain;
United States
Nicholas, Tom. "The Origins of Japanese Technological Modernization." Explorations in Economic History 48, no. 2 (April 2011): 272–291.
- September 2009
- Article
Deterring Online Advertising Fraud Through Optimal Payment in Arrears
By: Benjamin Edelman
Online advertisers face substantial difficulty in selecting and supervising small advertising partners. Fraud can be well hidden, and limited reputation systems reduce accountability. But partners are not paid until after their work is complete, and advertisers can...
View Details
Keywords:
Cost Management;
Misleading and Fraudulent Advertising;
Profit;
Online Advertising;
Advertising Industry
Edelman, Benjamin. "Deterring Online Advertising Fraud Through Optimal Payment in Arrears." Financial Cryptography and Data Security: Proceedings of the International Conference (September 2009). (Springer-Verlag Lecture Notes in Computer Science.) (Featured in Working Knowledge: Reducing Risk with Online Advertising.)
- November – December 2007
- Article
Fundamentally Flawed Indexing
By: Andre F. Perold
A new theory of finance is being advanced as providing definitive proof that holding stocks in proportion to their market capitalizations is an inferior investment strategy. The claim is that capitalization weighting necessarily invests more in overvalued stocks and...
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Perold, Andre F. "Fundamentally Flawed Indexing." Financial Analysts Journal 63, no. 6 (November–December 2007). (Winner of Graham and Dodd Best Perspectives Award For excellence in financial writing.)
- September 1987
- Background Note
What Do Venture Capitalists Do?
Presents the results derived from 49 responses to a questionnaire mailed to 100 venture capitalists in late 1984. The purpose of the survey was to shed light on the relationship between venture capitalists and their portfolio companies. The survey revealed that the...
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Keywords:
Borrowing and Debt;
Venture Capital;
Investment Portfolio;
Recruitment;
Surveys;
Managerial Roles;
Service Operations;
Relationships;
Service Industry
Sahlman, William A. "What Do Venture Capitalists Do?" Harvard Business School Background Note 288-015, September 1987.
- Article
Optimal Capital-Gains Taxation under Limited Information
By: Jerry R. Green and Eytan Sheshinski
Taxation of capital gains at realization may distort individuals' decisions regarding holding or selling during an asset's lifetime. This creates the problem of designing a tax structure for capital gains so as to induce efficient patterns of holding and selling....
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Green, Jerry R., and Eytan Sheshinski. "Optimal Capital-Gains Taxation under Limited Information." Journal of Political Economy 86, no. 6 (December 1978): 1143–1158.
- Article
Defining, Measuring, and Improving Value in Spine Care
By: Robert S. Kaplan and Derek Haas
This chapter discusses how to measure and improve spine care outcomes and costs. Today’s commonly used outcome metrics, such as readmission and complication rates, are actually process and quality metrics. They are not the outcomes, such as improvement in pain and...
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Keywords:
Spine Care;
Outcomes Measurement;
Time-Driven Activity-Based Costing;
Health Care and Treatment;
Cost;
Measurement and Metrics;
Performance Improvement;
Value
Kaplan, Robert S., and Derek Haas. "Defining, Measuring, and Improving Value in Spine Care." Seminars in Spine Surgery 30, no. 2 (June 2018): 80–83.
- 2009
- Chapter
On the General Relativity of Fiscal Language
By: Jerry R. Green and Lawrence Kotlikoff
A century ago, everyone thought time and distance were well defined physical concepts. But neither proved absolute. Instead, measures/reports of time and distance were found to depend on one's reference point, specifically one's direction and speed of travel, making...
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Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading
We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact...
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- 12 Sep 2006
- First Look
First Look: September 12, 2006
Working PapersHow Does Foreign Direct Investment Promote Economic Growth? Exploring the Effects of Financial Markets on Linkages Authors:Laura Alfaro, Areendam Chanda, Sebnem Kalemli-Ozcan, and Selin Sayek. Abstract The empirical literature finds mixed evidence on...
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Keywords:
Sean Silverthorne
- Research Summary
Attention Arousal Through Price Partitioning
Existing evidence suggests that preferences are affected by whether a price is presented as one all-inclusive expense or partitioned into a set of mandatory charges. To explain this phenomenon, we introduce a new mechanism whereby price partitioning affects a consumers...
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- 2017
- Working Paper
The Importance of Unemployment Insurance as an Automatic Stabilizer
By: Marco Di Maggio and Amir Kermani
We assess the extent to which unemployment insurance (UI) serves as an automatic stabilizer to mitigate the economy's sensitivity to shocks. Using a local labor market design based on heterogeneity in local benefit generosity (defined as the percentage of household...
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Keywords:
Unemployment Insurance;
Automatic Stabilizers;
Bartik Shocks;
Aggregate Demand;
System Shocks;
Employment;
Balance and Stability;
Insurance;
Volatility;
Insurance Industry
Di Maggio, Marco, and Amir Kermani. "The Importance of Unemployment Insurance as an Automatic Stabilizer." Harvard Business School Working Paper, No. 17-009, July 2016. (Revise and Resubmit to American Economic Journal: Macroeconomics.)