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Show Results For
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All HBS Web
(1,022)
- People (1)
- News (192)
- Research (683)
- Events (7)
- Multimedia (3)
- Faculty Publications (336)
- 2022
- Article
Data Poisoning Attacks on Off-Policy Evaluation Methods
By: Elita Lobo, Harvineet Singh, Marek Petrik, Cynthia Rudin and Himabindu Lakkaraju
Off-policy Evaluation (OPE) methods are a crucial tool for evaluating policies in high-stakes domains such as healthcare, where exploration is often infeasible, unethical, or expensive. However, the extent to which such methods can be trusted under adversarial threats...
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Lobo, Elita, Harvineet Singh, Marek Petrik, Cynthia Rudin, and Himabindu Lakkaraju. "Data Poisoning Attacks on Off-Policy Evaluation Methods." Proceedings of the Conference on Uncertainty in Artificial Intelligence (UAI) 38th (2022): 1264–1274.
- July 2023
- Article
Marketplace Scalability and Strategic Use of Platform Investment
By: Jin Li, Gary Pisano, Richard Xu and Feng Zhu
The scalability of a marketplace depends on the operations of the marketplace platform as well as its sellers’ capacities. In this study, we explore one strategy that a marketplace platform can use to enhance its scalability: providing an ancillary service to sellers....
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Li, Jin, Gary Pisano, Richard Xu, and Feng Zhu. "Marketplace Scalability and Strategic Use of Platform Investment." Management Science 69, no. 7 (July 2023): 3958–3975.
- June 2015 (Revised September 2017)
- Supplement
Generating Higher Value at IBM
By: Benjamin C. Esty and Scott Mayfield
This case analyzes IBM's financial performance and its capital allocation decisions over a 10-year period from 2004-2013, during which IBM returned more than $140B to shareholders through a combination of dividends and share repurchases. During this time, CEO Sam...
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- 2012
- Working Paper
Information Technology and Boundary of the Firm: Evidence from Plant-Level Data
By: Chris Forman and Kristina McElheran
We study the relationship between different margins of information technology (IT) use and vertical integration using plant-level data from the U.S. Census of Manufactures. Focusing on the short-run decision of whether to allocate production output to downstream plants...
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Keywords:
Information Technology;
Technology Adoption;
Production;
Factories, Labs, and Plants;
Vertical Integration;
Supply Chain;
Manufacturing Industry;
United States
Forman, Chris, and Kristina McElheran. "Information Technology and Boundary of the Firm: Evidence from Plant-Level Data." Harvard Business School Working Paper, No. 12-092, April 2012.
- May 2011
- Article
Higher Risk, Lower Returns: What Hedge Fund Investors Really Earn
By: Ilia Dichev and Gwen Yu
The returns of hedge fund investors depend not only on the returns of the hedge funds they hold but also on the timing and magnitude of their capital flows in and out of the funds. We use dollar-weighted returns (a form of IRR) to assess the properties of actual...
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Dichev, Ilia, and Gwen Yu. "Higher Risk, Lower Returns: What Hedge Fund Investors Really Earn." Journal of Financial Economics 100, no. 2 (May 2011): 248–263.
- May – June 2011
- Article
Too Many Cooks Spoil the Broth: How High Status Individuals Decrease Group Effectiveness
By: Boris Groysberg, Jeffrey T. Polzer and Hillary Anger Elfenbein
Can groups become effective simply by assembling high status individual performers? Though an affirmative answer may seem straightforward on the surface, this answer becomes more complicated when group members benefit from collaborating on interdependent tasks....
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Keywords:
Groups and Teams;
Equity;
Theory;
Human Resources;
Integration;
Body of Literature;
Performance Effectiveness;
Status and Position;
Experience and Expertise
Groysberg, Boris, Jeffrey T. Polzer, and Hillary Anger Elfenbein. "Too Many Cooks Spoil the Broth: How High Status Individuals Decrease Group Effectiveness." Organization Science 22, no. 3 (May–June 2011): 722–737.
- February 2008
- Case
EFI, Inc. (A)
By: David B. Godes and Lauren Barley
EFI has a unique sales compensation challenge. They cannot allocate sales credit for their core product to individual salespeople. So, they've historically paid the sales force as a team. This has worked out fine, since they've been a near-monopoly seller of a single...
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Keywords:
Change Management;
Compensation and Benefits;
Performance Evaluation;
Groups and Teams;
Salesforce Management;
Motivation and Incentives
Godes, David B., and Lauren Barley. "EFI, Inc. (A)." Harvard Business School Case 508-044, February 2008.
- 2015
- Case
Fine Harvest Restaurant Group (cases A and B)
By: Clara (Xiaoling) Chen, Kenneth A. Merchant, Tatiana Sandino and Wim A. Van der Stede
The Fine Harvest Restaurant Group cases A and B examine a company's design of a new system to evaluate the performance (and determine the bonuses) for its restaurant managers. Fine Harvest had traditionally evaluated restaurant managers based on store margins and had...
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- March 2008
- Article
Market Reactions to Export Subsidies
By: M. A. Desai and James R. Hines Jr.
This paper analyzes the economic impact of export subsidies by investigating stock price reactions to a critical event in 1997. On November 18, 1997, the European Union announced its intention to file a complaint before the World Trade Organization (WTO), arguing that...
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Keywords:
Economic Systems;
Trade;
Development Economics;
Financial Markets;
Profit;
Taxation;
Volume;
Value Creation;
Market Design;
Business Subsidiaries;
Utilities Industry;
Financial Services Industry;
Europe;
North and Central America
Desai, M. A., and James R. Hines Jr. "Market Reactions to Export Subsidies." Journal of International Economics 74, no. 2 (March 2008).
Summit Public Schools
In early 2018, Diane Tavenner, co-founder and CEO of Summit Public Schools, a charter management organization, was full of hope and anticipating good outcomes for its future student graduates. The graduating class of 2017 was Summit’s first cohort of high school... View Details
- Web
Resumes & Cover Letters - Alumni
concise, visually appealing resume will make a stronger impression than a dense, text-laden document. Respect page margins and properly space the text. Learn to appreciate the value of "white space." Limit a resume to one or two pages but...
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- January 2021 (Revised March 2021)
- Case
Jumia's Path to Profitability
By: Ramon Casadesus-Masanell, Pippa Tubman Armerding and Gamze Yucaoglu
The case opens in September 2019 as Sacha Poignonnec and Jeremy Hodara, co-founders and co-CEOs of Jumia, the leading Pan-African e-commerce platform, are contemplating the company’s path to profitability in the aftermath of a fragile investor sentiment, as the company...
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Keywords:
Retail;
Business Models;
Business Model;
Business Startups;
Emerging Markets;
For-Profit Firms;
Strategy;
Digital Platforms;
Information Technology;
Technology Adoption;
Value Creation;
Globalization;
Entrepreneurship;
Competition;
Expansion;
Logistics;
Profit;
Resource Allocation;
Diversification;
Corporate Strategy;
Retail Industry;
Technology Industry;
Africa
Casadesus-Masanell, Ramon, Pippa Tubman Armerding, and Gamze Yucaoglu. "Jumia's Path to Profitability." Harvard Business School Case 721-355, January 2021. (Revised March 2021.)
- 21 May 2007
- Research & Ideas
Fixing the Marketing-CEO Disconnect
In most companies, no one knows and understands your customers and their changing needs better than the marketing department. Certainly that knowledge should be routinely presented and understood by the chief executive and board of directors, right? But over time, and...
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Keywords:
by Sean Silverthorne
- July 2021
- Article
Redistribution through Markets
By: Piotr Dworczak, Scott Duke Kominers and Mohammad Akbarpour
Policymakers frequently use price regulations as a response to inequality in the markets they control. In this paper, we examine the optimal structure of such policies from the perspective of mechanism design. We study a buyer-seller market in which agents have private...
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Keywords:
Optimal Mechanism Design;
Redistribution;
Inequality;
Welfare Theorems;
Market Design;
Equality and Inequality
Dworczak, Piotr, Scott Duke Kominers, and Mohammad Akbarpour. "Redistribution through Markets." Econometrica 89, no. 4 (July 2021): 1665–1698. (Authors' names are in certified random order.)
- November 2019
- Article
How Do Sales Efforts Pay Off? Dynamic Panel Data Analysis in the Nerlove-Arrow Framework
By: Doug J. Chung, Byungyeon Kim and Byoung G. Park
This paper evaluates the short- and long-term value of sales representatives’ detailing visits to different types of physicians. By understanding the dynamic effect of sales calls across heterogeneous physicians, we provide guidance on the design of optimal call...
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Keywords:
Nerlove-Arrow Framework;
Stock-of-goodwill;
Dynamic Panel Data;
Serial Correlation;
Instrumental Variables;
Sales Effectiveness;
Detailing;
Analytics and Data Science;
Sales;
Analysis;
Performance Effectiveness;
Pharmaceutical Industry
Chung, Doug J., Byungyeon Kim, and Byoung G. Park. "How Do Sales Efforts Pay Off? Dynamic Panel Data Analysis in the Nerlove-Arrow Framework." Management Science 65, no. 11 (November 2019): 5197–5218.
- May 2018 (Revised October 2020)
- Supplement
La Ribera Health Department (B): Epilogue
By: Regina E. Herzlinger, Emer Moloney and Daniela Beyersdorfer
The La Ribera case studies depict an innovative low cost/high quality privately financed hospital model struggling to achieve alignment with the Six Factors. It is reimbursed by the public sector in a Spanish environment whose Consumers, Structure, and Public Policy...
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- Spring 2013
- Article
The Growth of Finance
By: Robin Greenwood and David S. Scharfstein
The U.S. financial services industry grew from 4.9% of GDP in 1980 to 7.9% of GDP in 2007. A sizeable portion of the growth can be explained by rising asset management fees, which in turn were driven by increases in the valuation of tradable assets, particularly...
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Greenwood, Robin, and David S. Scharfstein. "The Growth of Finance." Journal of Economic Perspectives 27, no. 2 (Spring 2013): 3–28.
- 2012
- Article
Demand and Capacity Management in Air Transportation
This paper summarizes research trends and opportunities in the area of managing air transportation demand and capacity. Capacity constraints and resulting congestion and low schedule reliability currently impose large costs on airlines and their passengers. Significant...
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Keywords:
Demand Management;
Capacity Management;
Mathematical Modeling;
Congestion And Delays;
Trends And Opportunities;
Demand and Consumers;
Air Transportation;
Mathematical Methods;
Performance Capacity;
Air Transportation Industry
Barnhart, Cynthia, Douglas S. Fearing, Amedeo Odoni, and Vikrant Vaze. "Demand and Capacity Management in Air Transportation." EURO Journal on Transportation and Logistics 1, nos. 1-2 (2012): 135–155.
- July 2010
- Supplement
Marketing Analysis Toolkit: Pricing and Profitability Analysis (CW)
By: Thomas J. Steenburgh and Jill Avery
Pricing is one of the most difficult decisions marketers make and the one with the most direct and immediate impact on the firm's financial position. This toolkit will introduce the fundamental terminology and calculations associated with pricing and profitability...
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Incentives for Bad Science
Randomized controlled trials (RCTs) inform medical practice, health care delivery, follow-on research, regulation, and health policy. Yet, many RCTs are inadequately randomized, blinded, and reported. To analyze scientists' and firms' incentives to meet clinical trial...
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