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- Faculty Publications (66)
- February 2018 (Revised December 2020)
- Case
People Analytics at Teach For America (A)
By: Jeffrey T. Polzer and Julia Kelley
As of mid-2016, national nonprofit Teach For America (TFA) had struggled with three consecutive years of declining application totals, and senior management was re-examining the organization's strategy, including recruitment and selection. A few months earlier, former...
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Polzer, Jeffrey T., and Julia Kelley. "People Analytics at Teach For America (A)." Harvard Business School Case 418-013, February 2018. (Revised December 2020.)
- January–February 2018
- Article
Some Customers Would Rather Leave Without Saying Goodbye
By: Eva Ascarza, Oded Netzer and Bruce G.S. Hardie
We investigate the increasingly common business setting in which companies face the possibility of both observed and unobserved customer attrition (i.e., “overt” and “silent” churn) in the same pool of customers. This is the case for many online-based services where...
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Keywords:
Churn;
Retention;
Attrition;
Customer Base Analysis;
Hidden Markov Models;
Latent Variable Models;
Customer Relationship Management;
Consumer Behavior
Ascarza, Eva, Oded Netzer, and Bruce G.S. Hardie. "Some Customers Would Rather Leave Without Saying Goodbye." Marketing Science 37, no. 1 (January–February 2018): 54–77.
- 2017
- Article
Inflation Bets or Deflation Hedges? The Changing Risks of Nominal Bonds
By: John Y. Campbell, Adi Sunderam and Luis M. Viceira
The covariance between U.S. Treasury bond returns and stock returns has moved considerably over time. While it was slightly positive on average in the period 1953–2009, it was unusually high in the early 1980s and negative in the 2000s, particularly in the downturns of...
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Campbell, John Y., Adi Sunderam, and Luis M. Viceira. "Inflation Bets or Deflation Hedges? The Changing Risks of Nominal Bonds." Critical Finance Review 6, no. 2 (2017): 263–301.
- 2016
- Working Paper
Meet the Oligarchs: Business Legitimacy, State Capacity and Taxation
By: Rafael Di Tella, Juan Dubra and Alejandro Lagomarsino
We analyze the role of people’s beliefs about the rich in the determination of public policy in the context of a randomized online survey experiment. A question we study is the desirability of government-private sector meetings, a variable we argue is connected to...
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Keywords:
Business Legitimacy;
State Capacity;
Meetings;
Taxes;
Top 1%;
Regulation;
Prejudice and Bias;
Values and Beliefs;
Taxation;
Business and Government Relations
Di Tella, Rafael, Juan Dubra, and Alejandro Lagomarsino. "Meet the Oligarchs: Business Legitimacy, State Capacity and Taxation." Harvard Business School Working Paper, No. 17-046, December 2016.
- 2017
- Working Paper
Discretionary Task Ordering: Queue Management in Radiological Services
By: Maria Ibanez, Jonathan R. Clark, Robert S. Huckman and Bradley R. Staats
Work scheduling research typically prescribes task sequences implemented by managers. Yet employees often have discretion to deviate from their prescribed sequence. Using data from 2.4 million radiological diagnoses, we find that doctors prioritize similar tasks...
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Keywords:
Discretion;
Scheduling;
Queue;
Healthcare;
Learning;
Experience;
Decentralization;
Delegation;
Behavioral Operations;
Operations;
Service Operations;
Service Delivery;
Performance;
Performance Effectiveness;
Performance Efficiency;
Performance Improvement;
Performance Productivity;
Decisions;
Time Management;
Cost vs Benefits;
Health Industry
Ibanez, Maria, Jonathan R. Clark, Robert S. Huckman, and Bradley R. Staats. "Discretionary Task Ordering: Queue Management in Radiological Services." Harvard Business School Working Paper, No. 16-051, October 2015. (Revised March 2017.)
- January 22, 2015
- Other Article
Are Capital Controls Effective? Firm-level Evidence from Brazil
By: Laura Alfaro, Anusha Chari and Fabio Kanczuk
Capital controls are back in fashion. This column discusses new firm-level evidence from Brazil showing that capital controls segment international financial markets, reduce external financing, and lower firm-level investment. They disproportionately affect small,...
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Alfaro, Laura, Anusha Chari, and Fabio Kanczuk. "Are Capital Controls Effective? Firm-level Evidence from Brazil." Vox, CEPR Policy Portal (January 22, 2015).
- Article
Aztec Castles and the dP3 Quiver
By: Megan Leoni, Gregg Musiker, Seth Neel and Paxton Turner
Bipartite, periodic, planar graphs known as brane tilings can be associated to a large class of quivers. This paper will explore new algebraic properties of the well-studied del Pezzo 3 (dP3) quiver and geometric properties of its corresponding brane tiling. In...
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Leoni, Megan, Gregg Musiker, Seth Neel, and Paxton Turner. "Aztec Castles and the dP3 Quiver." Journal of Physics A: Mathematical and Theoretical 47, no. 47 (November 28, 2014).
- October 2014 (Revised August 2018)
- Case
Caesars Entertainment
By: Janice H. Hammond and Aldo Sesia
This case describes the introduction of a regression analysis model for forecasting guest arrivals to Caesars Palace hotel in Las Vegas, Nevada. The company will use the forecast to staff the front desk in the hotel. The staff is unionized and the company has little...
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Keywords:
Forecasting;
Staffing;
Gaming;
Gaming Industry;
Hotel Industry;
Decision Making;
Forecasting and Prediction;
Human Resources;
Selection and Staffing;
Entertainment;
Games, Gaming, and Gambling;
Operations;
Service Delivery;
Service Operations;
Accommodations Industry;
Travel Industry;
Tourism Industry;
Food and Beverage Industry;
Las Vegas
Hammond, Janice H., and Aldo Sesia. "Caesars Entertainment." Harvard Business School Case 615-031, October 2014. (Revised August 2018.)
- 2013
- Working Paper
Separating Homophily and Peer Influence with Latent Space
By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski
We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of...
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Keywords:
Social Influence;
Social Network;
Mobile App;
Peer Effects;
Latent Homophily;
Latent Space;
Proxy Variables;
Familiarity;
Behavior;
Consumer Behavior;
Applications and Software;
Social and Collaborative Networks;
Mobile and Wireless Technology;
Power and Influence;
Social Media
Davin, Joseph P., Sunil Gupta, and Mikolaj Jan Piskorski. "Separating Homophily and Peer Influence with Latent Space." Harvard Business School Working Paper, No. 14-053, January 2014.
- July–August 2013
- Article
A Joint Model of Usage and Churn in Contractual Settings
By: Eva Ascarza and Bruce G.S. Hardie
As firms become more customer-centric, concepts such as customer equity come to the fore. Any serious attempt to quantify customer equity requires modeling techniques that can provide accurate multiperiod forecasts of customer behavior. Although a number of researchers...
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Keywords:
Churn;
Retention;
Contractual Settings;
Access Services;
Hidden Markov Models;
RFM;
Latent Variable Models;
Customer Value and Value Chain;
Consumer Behavior
Ascarza, Eva, and Bruce G.S. Hardie. "A Joint Model of Usage and Churn in Contractual Settings." Marketing Science 32, no. 4 (July–August 2013): 570–590.
- 2011
- Article
Smart News Feeds for Social Networks Using Scalable Joint Latent Factor Models
By: Himabindu Lakkaraju, Angshu Rai and Srujana Merugu
Lakkaraju, Himabindu, Angshu Rai, and Srujana Merugu. "Smart News Feeds for Social Networks Using Scalable Joint Latent Factor Models." Proceedings of the International World Wide Web Conference 20th (2011).
- September 2010
- Article
Strategies to Fight Ad-sponsored Rivals
By: Ramon Casadesus-Masanell and Feng Zhu
We analyze the optimal strategy of a high-quality incumbent that faces a low-quality ad-sponsored competitor. In addition to competing through adjustments of tactical variables such as price or the number of ads a product carries, we allow the incumbent to consider...
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Keywords:
Strategy;
Business Models;
Tactics;
Pricing;
Business Model;
Advertising;
Competition;
Quality;
Price;
Product Marketing
Casadesus-Masanell, Ramon, and Feng Zhu. "Strategies to Fight Ad-sponsored Rivals." Management Science 56, no. 9 (September 2010): 1484–1499.
- May 2010
- Supplement
Tim Westergren of Pandora Radio
By: Willy C. Shih and Halle Alicia Tecco
Pandora Radio is at a crossroads. Founder Tim Westergren has just been told by a well known VC to get rid of his unprofitable customers in order to get his costs down, but Westergren is not sure that such actions are consistent with his company's business model....
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Keywords:
History;
Business Model;
Customers;
Venture Capital;
Internet and the Web;
Cost Management;
Outcome or Result;
Customization and Personalization;
Growth and Development Strategy;
Music Industry
Shih, Willy C., and Halle Alicia Tecco. "Tim Westergren of Pandora Radio." Harvard Business School Video Supplement 610-714, May 2010.
- 2001
- Working Paper
Strategies to Fight Ad-sponsored Rivals
By: Ramon Casadesus-Masanell and Feng Zhu
We analyze the optimal strategy of a high-quality incumbent that faces a low-quality ad-sponsored competitor. In addition to competing through adjustments of tactical variables such as price or the number of ads a product carries, we allow the incumbent to consider...
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Casadesus-Masanell, Ramon, and Feng Zhu. "Strategies to Fight Ad-sponsored Rivals." Harvard Business School Working Paper, No. 10-026, September 2009. (Revised March 2010.)
- March 2010 (Revised November 2010)
- Case
Pandora Radio: Fire Unprofitable Customers?
By: Willy C. Shih and Halle Alicia Tecco
Pandora Radio is at a crossroads. Founder Tim Westergren has just been told by a well known VC to get rid of his unprofitable customers in order to get his costs down, but Westergren is not sure that such actions are consistent with his company's business model....
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Keywords:
Business Model;
Customer Satisfaction;
Music Entertainment;
Venture Capital;
Profit;
Growth and Development Strategy;
Consumer Behavior;
Internet;
Media and Broadcasting Industry
Shih, Willy C., and Halle Alicia Tecco. "Pandora Radio: Fire Unprofitable Customers?" Harvard Business School Case 610-077, March 2010. (Revised November 2010.)
- February 2010 (Revised March 2016)
- Background Note
Marketing Analysis Toolkit: Break-even Analysis
By: Thomas J. Steenburgh and Jill Avery
Marketing managers are often called upon to make recommendations for or against programs that cost money to implement. Before expenditures are made, managers want to be sure that they will be getting a return on their investment. One way of assessing this is by...
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Keywords:
Decision Making;
Investment Return;
Spending;
Management Analysis, Tools, and Techniques;
Marketing Strategy;
Strategic Planning;
Mathematical Methods
Steenburgh, Thomas J., and Jill Avery. "Marketing Analysis Toolkit: Break-even Analysis." Harvard Business School Background Note 510-080, February 2010. (Revised March 2016.)
- September 2009
- Article
A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement
By: Matthew Carty MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow and Dennis Orgill
Background: The increased focus on quality and efficiency improvement within academic surgery has met with variable success among plastic surgeons. Traditional surgical performance metrics, such as morbidity and mortality, are insufficient to improve the... View Details
Keywords:
Experience and Expertise;
Health Care and Treatment;
Medical Specialties;
Outcome or Result;
Performance Efficiency;
Performance Improvement
Carty, Matthew, MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow, and Dennis Orgill. "A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement." Plastic and Reconstructive Surgery 124, no. 3 (September 2009): 706–714.
- February 2005 (Revised November 2016)
- Background Note
Forecasting the Adoption of a New Product
By: Elie Ofek
Provides tools and methodologies that allow forecasting demand for innovative new products. Highlights the Bass model—the theory behind it and ways to determine its parameters. Provides a detailed example of how to use the Bass model to forecast demand for satellite...
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Keywords:
Forecasting and Prediction;
Innovation and Invention;
Marketing;
Demand and Consumers;
Mathematical Methods;
Competition
Ofek, Elie. "Forecasting the Adoption of a New Product." Harvard Business School Background Note 505-062, February 2005. (Revised November 2016.)
- March 2004
- Article
Inflation, Inflation Variability, and Corruption
By: Miguel Braun and Rafael Di Tella
We present a model where agents can inflate the cost of goods needed to start an investment project and inflation variability increases monitoring costs. We show that inflation variability can lead to higher corruption and lower investment. We document a positive...
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Braun, Miguel, and Rafael Di Tella. "Inflation, Inflation Variability, and Corruption." Economics & Politics 16, no. 1 (March 2004).
- October 1994
- Article
Issues in the Estimation and Application of Latent Structure Models of Choice
By: Ulf Bockenholt, Melinda S. de Borrero, Ham Bozdogan, Wayne DeSarbo, William R. Dillon, Sunil Gupta, Wagner Kamakura, Ajith Kumar, V. Ramaswamy and Michael Zenor
Keywords:
Decision Choices and Conditions
Bockenholt, Ulf, Melinda S. de Borrero, Ham Bozdogan, Wayne DeSarbo, William R. Dillon, Sunil Gupta, Wagner Kamakura, Ajith Kumar, V. Ramaswamy, and Michael Zenor. "Issues in the Estimation and Application of Latent Structure Models of Choice." Marketing Letters 5, no. 4 (October 1994): 323–334.