Publications

15 Apr 2019
News

Why Anxious Customers Prefer Human Customer Service

2014
Working Paper

Digital Discrimination: The Case of Airbnb.com

By: Benjamin Edelman and Michael Luca

Online marketplaces often contain information not only about products, but also about the people selling the products. In an effort to facilitate trust, many platforms encourage sellers to provide personal profiles and even to post pictures of themselves. However,... View Details

Keywords: Prejudice and Bias; Internet and the Web; Race; Trust; Renting or Rental; Accommodations Industry; Real Estate Industry

SSRN

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October 2007 (Revised January 2009)
Background Note

Analyzing Relative Costs

By: Hanna Halaburda and Jan W. Rivkin

Introduces students to the technique of relative cost analysis, a core technique of strategists. Among the intricate quantitative analyses that strategists undertake, relative cost analysis may be the most common. The goal of a relative cost analysis is simply to... View Details

Keywords: Cost; Management Analysis, Tools, and Techniques; Mathematical Methods; Competition; Competitive Advantage

October 2009 (Revised June 2010)
Case

Hulu: An Evil Plot to Destroy the World?

By: Anita Elberse and Sunil Gupta

In July 2009, Jason Kilar, the chief executive officer of Hulu, is debating whether the online video aggregator should move away from a purely advertising-supported model, and whether it should participate in an industry-wide initiative to develop and test... View Details

Keywords: Advertising; Business Model; Television Entertainment; Distribution Channels; Service Operations; Internet and the Web; Media and Broadcasting Industry; Motion Pictures and Video Industry

Research Summary

4. Collaborative Brokerage, Generative Creativity, and Creative Success

Joint work with Lee Fleming (Technology and Operations Management Unit, Harvard Business School) and David Chen (Doctoral Candidate, Harvard Business School and Harvard School of... View Details

2016
Working Paper

Reviews, Reputation, and Revenue: The Case of Yelp.com

By: Michael Luca

Do online consumer reviews affect restaurant demand? I investigate this question using a novel dataset combining reviews from the website Yelp.com and restaurant data from the Washington State Department of Revenue. Because Yelp prominently displays a restaurant's... View Details

Keywords: Revenue; Network Effects; Reputation; Social and Collaborative Networks; Food and Beverage Industry; Service Industry; Washington (state, US)

SSRN

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18 Apr 2012
News

Lessons in a common language

03 Jun 2016
Working Paper Summaries

The Risk Anomaly Tradeoff of Leverage

Keywords: by Malcolm Baker, Mathias F. Hoeyer, and Jeffrey Wurgler

10 Nov 2011
News

Gauging Groupon’s Public Offering

2007
Book

Mergers: Leadership, Performance & Corporate Health

By: David G. Fubini, Colin Price and Maurizio Zollo

Drawing on their own extensive integration experience, the systematic analysis of 167 mergers, and cutting edge academic research, the authors of this book identify the common leadership challenges to be tackled for the achievement of what we call 'corporate health',... View Details

Keywords: Corporate Health; Mergers and Acquisitions; Leadership; Organizational Change and Adaptation; Success

Find at Harvard

29 Jun 2020
News

After saving his own life with a repurposed drug, a professor reviews every drug being tried against Covid-19. Here's what he's found

Article

Mitigating Bias in Adaptive Data Gathering via Differential Privacy

By: Seth Neel and Aaron Leon Roth

Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details

Keywords: Bandit Algorithms; Bias; Analytics and Data Science; Mathematical Methods; Theory

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December 2005 (Revised February 2019)
Case

Brighter Smiles for the Masses--Colgate vs. P&G

By: Felix Oberholzer-Gee, Dennis Yao and Filipa Azevedo Jorge

In 2000, Procter & Gamble Co. introduced Crest Whitestrips, a new, revolutionary product that allowed consumers to whiten their teeth at home. With Whitestrips, P&G created an entire new category in oral care, worth $460 million in 2002. Whitestrips sent P&G's main... View Details

Keywords: Competitive Advantage; Competitive Strategy; Advertising; Product Launch; Patents; Price; Performance Effectiveness; Consumer Products Industry

September 2020 (Revised September 2021)
Supplement

Student Success at Georgia State University (B)

By: Michael W. Toffel, Robin Mendelson and Julia Kelley

This is a supplement to the Student Success at Georgia State University (A) case. The (B) case includes the results of a randomized control trial that Georgia State conducted to test education technology start-up AdmitHub’s chatbot solution as a strategy for improving... View Details

November 1990 (Revised August 1996)
Background Note

Sampling and Statistical Inference

By: Arthur Schleifer Jr.

An introduction to sampling and statistical inference that covers the main concepts (confidence intervals, tests of statistical significance, choice of sample size) that are needed in making inferences about a population mean or percent. Includes discussion of problems... View Details

Keywords: Mathematical Methods; Forecasting and Prediction; Demographics