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Show Results For
-
All HBS Web
(2,078)
- People (2)
- News (200)
- Research (1,345)
- Events (13)
- Multimedia (14)
- Faculty Publications (893)
- August 2019
- Article
When and How to Diversify—A Multicategory Utility Model for Personalized Content Recommendation
By: Yicheng Song, Nachiketa Sahoo and Elie Ofek
Sometimes we desire change, a break from the same or an opportunity to fulfill different aspects of our needs. Noting that consumers seek variety, several approaches have been developed to diversify items recommended by personalized recommender systems. However,...
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Keywords:
Recommender Systems;
Personalization;
Recommendation Diversity;
Variety Seeking;
Collaborative Filtering;
Consumer Utility Models;
Digital Media;
Clickstream Analysis;
Learning-to-rank;
Consumer Behavior;
Media;
Customization and Personalization;
Strategy;
Mathematical Methods
Song, Yicheng, Nachiketa Sahoo, and Elie Ofek. "When and How to Diversify—A Multicategory Utility Model for Personalized Content Recommendation." Management Science 65, no. 8 (August 2019): 3737–3757.
- 2014
- Working Paper
Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches
By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang
Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR web-site, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent...
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Keywords:
Peer Firm;
EDGAR Search Traffic;
Revealed Preference;
Co-search;
Industry Classification;
Analytics and Data Science;
Internet and the Web;
Mathematical Methods;
Corporate Finance
Lee, Charles M.C., Paul Ma, and Charles C.Y. Wang. "Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches." Harvard Business School Working Paper, No. 13-048, November 2012. (Revised September 2013, March 2014, June 2014, July 2014.)
- 20 Aug 2013
- First Look
First Look: August 20
empirically the method proposed by Arcidiacono and Miller (2011) to accommodate unobserved latent class heterogeneity using a computationally light two-step estimator. Second, we illustrate how discount factors can be estimated in a...
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Keywords:
Anna Secino
- 2011
- Article
A Choice Prediction Competition for Social Preferences in Simple Extensive Form Games: An Introduction
By: Eyal Ert, Ido Erev and Alvin E. Roth
Two independent, but related, choice prediction competitions are organized that focus on behavior in simple two-person extensive form games: one focuses on predicting the choices of the first mover and the other on predicting the choices of the second mover. The...
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Keywords:
Forecasting and Prediction;
Behavior;
Decision Choices and Conditions;
Competition;
Motivation and Incentives;
Game Theory;
Fairness
Ert, Eyal, Ido Erev, and Alvin E. Roth. "A Choice Prediction Competition for Social Preferences in Simple Extensive Form Games: An Introduction." Special Issue on Predicting Behavior in Games. Games 2, no. 3 (September 2011): 257–276.
- 29 Apr 2014
- First Look
First Look: April 29
http://www.hbs.edu/faculty/Publication%20Files/bgjs13_84709dcc-425f-4fe2-8600-0f8cbb50be16.pdf August 2013 The Palgrave Encyclopedia of Strategic Management The Case Method By: Bower, Joseph L. Abstract—The case View Details
Keywords:
Sean Silverthorne
- 20 Jul 2010
- First Look
First Look: July 20
rights on firms' external finance constraints via generalized method of moments (GMM) estimation of an augmented investment Euler equation developed by Whited and Wu (2006). Using a large sample of U.S. firms during the period from 1995...
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Keywords:
Martha Lagace
- Web
Marketing - Doctoral
field exam, and then another three years on dissertation research and writing. The Marketing program draws on computer science, economics, behavioral science, and psychological methods to focus on marketing...
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- January 2016
- Article
Zooming In: A Practical Manual for Identifying Geographic Clusters
By: Juan Alcacer and Minyuan Zhao
This paper takes a close look at the reasons, procedures, and results of cluster identification methods. Despite being a popular research topic in strategy, economics, and sociology, geographic clusters are often studied with little consideration given to the...
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Keywords:
Mathematical Methods
Alcacer, Juan, and Minyuan Zhao. "Zooming In: A Practical Manual for Identifying Geographic Clusters." Strategic Management Journal 37, no. 1 (January 2016): 10–21.
- 2022
- Working Paper
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...
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Keywords:
Mathematical Methods
Bertsimas, Dimitris, Vassilis Digalakis Jr, Michael Lingzhi Li, and Omar Skali Lami. "Slowly Varying Regression under Sparsity." Working Paper, September 2022.
- 09 Apr 2001
- Research & Ideas
The Manager’s Guide to Communicating with Customers Collection
depth in a focus group.—Gerald Zaltman Underhill shuns academic market research as being too theoretical. Yet some of this research supports Underhill's commonsense findings. Such is the case with the work...
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- 2016
- Article
Penalized Fast Subset Scanning
By: Skyler Speakman, Sriram Somanchi, Edward McFowland III and Daniel B. Neill
We present the penalized fast subset scan (PFSS), a new and general framework for scalable and accurate pattern detection. PFSS enables exact and efficient identification of the most anomalous subsets of the data, as measured by a likelihood ratio scan statistic....
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Keywords:
Disease Surveillance;
Likelihood Ratio Statistic;
Pattern Detection;
Scan Statistic;
Mathematical Methods
Speakman, Skyler, Sriram Somanchi, Edward McFowland III, and Daniel B. Neill. "Penalized Fast Subset Scanning." Journal of Computational and Graphical Statistics 25, no. 2 (2016): 382–404. (Selected for “Best of JCGS” invited session by the journal’s editor in chief.)
- June 2011 (Revised January 2013)
- Case
Oddo Securities―ESG Integration
By: Paul M. Healy
The case describes the process of integrating environmental, social, and governance issues into valuation models and research analyst recommendations.
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Keywords:
Financial Strategy;
Mathematical Methods;
Integration;
Valuation;
Environmental Sustainability;
Social Issues;
Governance Controls;
Investment
Serafeim, George, Paul M. Healy, and Aldo Sesia. "Oddo Securities―ESG Integration." Harvard Business School Case 111-085, June 2011. (Revised January 2013.)
- Research Summary
Overview
By: Ayelet Israeli
Professor Israeli utilizes econometric methods and field experiments to study data driven decision making in marketing context. Her research focuses on data-driven marketing, with an emphasis on how businesses can leverage their own data, customer data, and market data...
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- January 2009
- Article
Spatial Diversity in Invention: Evidence from the Early R&D Labs
By: Tom Nicholas
This article uses historical data on inventor and firm R&D lab locations to examine the technological and geographic structure of corporate knowledge capital accumulation during a formative period in the organization of US innovation. Despite the localization of...
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Keywords:
Factories, Labs, and Plants;
Geographic Location;
Innovation and Invention;
Patents;
Knowledge Acquisition;
Research and Development;
United States
Nicholas, Tom. "Spatial Diversity in Invention: Evidence from the Early R&D Labs." Journal of Economic Geography 9, no. 1 (January 2009).
- 30 Oct 2012
- First Look
First Look: October 30
note describes the Congruence Model, a method by which an organization can assess whether its building blocks (critical tasks, formal organizational arrangements, people, and culture) are aligned (congruent) with its strategy. The model...
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Keywords:
Sean Silverthorne
- Web
Site Map
Behavioral Research Business & Environment Business History Case Method Project Christensen Center for Teaching & Learning Creating Emerging Markets Crossover Into Business Digital Data Design Institute at...
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- Web
Capital IQ | Baker Library | Bloomberg Center | Harvard Business School
includes RatingsDirect, providing access to credit research on bond issues around the world, including public finance and structured finance issues. Go To Database Access Access method HarvardKey Authorized...
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- 21 Jan 2014
- First Look
First Look: January 21
existing methods such as including observed covariates, random effects, or fixed effects. We then apply the latent space approach to identify social influence on installation of mobile apps in a social network. We find that peer influence...
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Keywords:
Sean Silverthorne
- 2019
- Working Paper
Breaking and Reconfiguring the Boundaries Between Domain Experts and Crowds to Solve Complex R&D Problems through Partial Decomposition
By: Hila Lifshitz - Assaf and Zoe Szajnfarber
The need for domain experts is all but universally assumed when organizing for scientific and technological innovation. In contrast, we are witnessing a burgeoning of citizen science, crowdsourcing, and other “open” methods based on the opposite assumption that crowds...
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- Research Summary
Incorporating Price and Inventory Endogeneity in Firm-Level Sales Forecasting.
Forecasting firm-level sales is a key activity in top-down planning in most organizations. In the retailing industry, firms can use inventory and price to stimulate demand. Hence, standard time series methods for sales forecasting can be improved by incorporating...
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