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Show Results For
- All HBS Web
(1,970)
- People (2)
- News (289)
- Research (1,171)
- Events (33)
- Multimedia (12)
- Faculty Publications (748)
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- October 2024
- Article
Canary Categories
By: Eric Anderson, Chaoqun Chen, Ayelet Israeli and Duncan Simester
Past customer spending in a category is generally a positive signal of future customer spending. We show that there exist “canary categories” for which the reverse is true. Purchases in these categories are a signal that customers are less likely to return to that... View Details
Keywords: Churn; Churn Management; Churn/retention; Assortment Planning; Retail; Retailing; Retailing Industry; Preference Heterogeneity; Assortment Optimization; Customers; Retention; Consumer Behavior; Forecasting and Prediction; Retail Industry
Anderson, Eric, Chaoqun Chen, Ayelet Israeli, and Duncan Simester. "Canary Categories." Journal of Marketing Research (JMR) 61, no. 5 (October 2024): 872–890.
- 2025
- Working Paper
Government-Brokerage Analysts and Market Stabilization: Evidence from China
By: Sheng Cao, Xianjie He, Charles C.Y. Wang and Huifang Yin
We show analysts at government-controlled brokerage firms serve as a market stabilization tool
in China. Using earnings forecasts from 2005–2019, we find government-brokerage analysts
issue relatively more optimistic—yet less accurate and timely—forecasts during... View Details
Keywords: Sell-side Analysts; Forecast Optimism; Forecast Accuracy; Government Incentives; Market Stabilization; Government Ownership; Coordinated Economies; Stocks; Forecasting and Prediction; Business and Government Relations; Emerging Markets
Cao, Sheng, Xianjie He, Charles C.Y. Wang, and Huifang Yin. "Government-Brokerage Analysts and Market Stabilization: Evidence from China." Harvard Business School Working Paper, No. 18-095, March 2018. (Revised March 2025.)
- May 2013
- Article
The Stock Selection and Performance of Buy-Side Analysts
Prior research on equity analysts focuses almost exclusively on those employed by sell-side investment banks and brokerage houses. Yet investment firms undertake their own buy-side research and their analysts face different stock selection and recommendation incentives... View Details
Keywords: Buy-side Analysts; Sell-side Analysts; Stock Recommendations; Recommendation Optimism; Recommendation Performance; Investment Recommendations; Conflicts Of Interest; Financial Markets; Financial Institutions; Financial Services Industry; United States
Groysberg, Boris, Paul Healy, George Serafeim, and Devin Shanthikumar. "The Stock Selection and Performance of Buy-Side Analysts." Management Science 59, no. 5 (May 2013): 1062–1075.
- Article
The Stock Selection and Performance of Buy-Side Analysts
We examine the selection and performance of stocks recommended by analysts at a large investment firm relative to those of sell-side analysts during the period mid-1997 and 2004. The buy-side firm's analysts issued less optimistic recommendations for stocks with larger... View Details
Keywords: Buy-side Analysts; Sell-side Analysts; Stock Recommendations; Recommendation Optimism; Recommendation Performance; Investment Recommendations; Conflicts Of Interest; Financial Markets; Financial Institutions; Stocks; Financial Services Industry; United States
Groysberg, Boris, Paul M. Healy, Georgios Serafeim, Devin Shanthikumar, and Gui Yang. "The Stock Selection and Performance of Buy-Side Analysts." Harvard Business School Working Knowledge (March 20, 2012).
- July 2022
- Teaching Note
eGrocery and the Role of Data and E-Commerce Analytics for CPG Firms
By: Ayelet Israeli
Teaching Note for HBS Case No. 521-077. View Details
Keywords: Data; Data Analysis; Data Analytics; Data Sharing; CPG; Consumer Packaged Goods (CPG); Delivery Planning; Customer Lifetime Value; Online Channel; Retail; Retail Analytics; Retailing Industry; Ecommerce; Grocery; Optimization; Analytics and Data Science; Analysis; Customer Value and Value Chain; Marketing Channels; E-commerce; Retail Industry; Consumer Products Industry; United States
- July 2022
- Supplement
Solution for E-Commerce Analytics for CPG Firms (C): Free Delivery Terms
By: Ayelet Israeli
Keywords: Data; Data Analysis; Data Analytics; Data Sharing; CPG; Consumer Packaged Goods (CPG); Delivery Planning; Customer Lifetime Value; Online Channel; Retail; Retail Analytics; Retailing Industry; Ecommerce; Grocery; Optimization; Analytics and Data Science; Analysis; Customer Value and Value Chain; Marketing Channels; E-commerce; Retail Industry; Consumer Products Industry; United States
- February 2021 (Revised February 2021)
- Background Note
eGrocery and the Role of Data for CPG Firms
By: Ayelet Israeli, Fedor (Ted) Lisitsyn and Mark A. Irwin
This notes provides information about the eGrocery industry and how traditional CPG companies handle this channel and potential data. It is recommended to use together with a series of exercises entitled: "E-Commerce Analytics for CPG Firms (A), (B), and (C)." View Details
Keywords: Data; Data Analysis; Data Analytics; Data Sharing; CPG; Consumer Packaged Goods (CPG); Delivery Planning; Customer Lifetime Value; Online Channel; Retail; Retail Analytics; Retailing Industry; Ecommerce; Grocery; Optimization; Analytics and Data Science; Analysis; Customer Value and Value Chain; Marketing Channels; E-commerce; Retail Industry; Consumer Products Industry; United States
Israeli, Ayelet, Fedor (Ted) Lisitsyn, and Mark A. Irwin. "eGrocery and the Role of Data for CPG Firms." Harvard Business School Background Note 521-077, February 2021. (Revised February 2021.)
- 10 Nov 2003
- Research & Ideas
Globalization: The Strategy of Differences
their place. I do not claim that arbitrage to exploit differences is any more a complete strategic solution than the optimal exploitation of scale economies. To the contrary: If they are to get their global strategies right in the long... View Details
Keywords: by Pankaj Ghemawat
- 2009
- Book
Financial Economics
By: Zvi Bodie, Robert C. Merton and David L. Cleeton
This book seeks to explain finance through its functions rather than its institutions, concentrating on the three pillars of finance: optimization over time, asset valuation, and risk management. View Details
Bodie, Zvi, Robert C. Merton, and David L. Cleeton. Financial Economics. 2nd ed. NJ: Prentice Hall, 2009. (Overview; Translated into Korean and Hungarian.)
- July 2018
- Article
Revisiting the Classical View of Benefit-Based Taxation
This article incorporates into modern optimal tax theory the classical logic of benefit‐based taxation in which an individual's benefit from the activities of the state is tied to his or her income‐earning ability. First‐best optimal policy is characterized... View Details
Weinzierl, Matthew. "Revisiting the Classical View of Benefit-Based Taxation." Economic Journal 128, no. 612 (July 2018): F37–F64. (Also Harvard Business School Working Paper, No. 14-101, April 2014.)
- August 2016 (Revised July 2017)
- Background Note
Brand Portfolio Strategy and Brand Architecture
By: Jill Avery
While companies choose to brand their products and services in many different ways, there are some central tenets that help define an optimal brand portfolio and associated brand architecture. Brand portfolio strategy involves the design, deployment, and management of... View Details
Keywords: Brand Management; Brand Portfolio; Brand Extension; Brand Portfolio Strategy; Brand Architecture; Consumer Behavior; Marketing; Brands and Branding; Marketing Strategy
Avery, Jill. "Brand Portfolio Strategy and Brand Architecture." Harvard Business School Background Note 517-021, August 2016. (Revised July 2017.)
- June 1983
- Article
A Comparison of Tournaments and Contracts
By: Jerry R. Green and Nancy Stokey
Tournaments, reward structures based on rank order, are compared with individual contracts in a model with one risk-neutral principal and many risk-averse agents. Each agent's output is a stochastic function of his effort level plus an additive shock term that is... View Details
Green, Jerry R., and Nancy Stokey. "A Comparison of Tournaments and Contracts." Journal of Political Economy 91, no. 3 (June 1983): 349–364.
- Article
Orienteering for Electioneering
By: Jonah Kallenbach, Robert Kleinberg and Scott Duke Kominers
In this paper, we introduce a combinatorial optimization problem that models the investment decision a political candidate faces when treating his or her opponents’ campaign plans as given. Our formulation accounts for both the time cost of traveling between districts... View Details
Kallenbach, Jonah, Robert Kleinberg, and Scott Duke Kominers. "Orienteering for Electioneering." Operations Research Letters 46, no. 2 (March 2018): 205–210.
- 06 Sep 2005
- Research & Ideas
The Best Place for Retirement Funds
and Harold Zhang, set out to derive rules for optimal asset location behavior for investors with these individually managed retirement accounts. Two results came out of this work: First, the optimal strategy... View Details
Keywords: by Ann Cullen
- July 2005
- Exercise
Pricing for Profit: Multi-Part Pricing in the U.K. Credit Card Industry
Examines the optimal pricing mechanism for credit cards. View Details
Coughlan, Peter J. "Pricing for Profit: Multi-Part Pricing in the U.K. Credit Card Industry." Harvard Business School Exercise 706-407, July 2005.
- 18 Apr 2016
- Working Paper Summaries
Popular Acceptance of Morally Arbitrary Luck and Widespread Support for Classical Benefit-Based Taxation
Keywords: by Matthew C. Weinzierl
- May–June 2025
- Article
Slowly Varying Regression Under Sparsity
By: Dimitris Bertsimas, Vassilis Digalakis Jr, Michael Lingzhi Li and Omar Skali Lami
We consider the problem of parameter estimation in slowly varying regression models with sparsity constraints. We formulate the problem as a mixed integer optimization problem and demonstrate that it can be reformulated exactly as a binary convex optimization problem... View Details
Bertsimas, Dimitris, Vassilis Digalakis Jr, Michael Lingzhi Li, and Omar Skali Lami. "Slowly Varying Regression Under Sparsity." Operations Research 73, no. 3 (May–June 2025): 1581–1597.
- January 1990 (Revised November 1992)
- Case
Competition and Product Variety
Examines the choice of optimal product positioning in a differentiated goods market. View Details
Brandenburger, Adam M., and Vijay Krishna. "Competition and Product Variety." Harvard Business School Case 190-100, January 1990. (Revised November 1992.)
- 2009
- Case
Blaine Kitchenware, Inc.: Capital Structure: Brief Case No. 4040.
By: Timothy A. Luehrman and Joel L. Heilprin
A diversified mid-sized manufacturer of kitchen tools contemplates a stock repurchase in response to an unsolicited takeover. The company must analyze its debt capacity and optimal capital structure,while considering associated changes in firm value and stock price.... View Details
- March 2022
- Article
Where to Locate COVID-19 Mass Vaccination Facilities?
By: Dimitris Bertsimas, Vassilis Digalakis Jr, Alexander Jacquillat, Michael Lingzhi Li and Alessandro Previero
The outbreak of COVID-19 led to a record-breaking race to develop a vaccine. However, the limited vaccine capacity creates another massive challenge: how to distribute vaccines to mitigate the near-end impact of the pandemic? In the United States in particular, the new... View Details
Keywords: Vaccines; COVID-19; Health Care and Treatment; Health Pandemics; Performance Effectiveness; Analytics and Data Science; Mathematical Methods
Bertsimas, Dimitris, Vassilis Digalakis Jr, Alexander Jacquillat, Michael Lingzhi Li, and Alessandro Previero. "Where to Locate COVID-19 Mass Vaccination Facilities?" Naval Research Logistics Quarterly 69, no. 2 (March 2022): 179–200.