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(136)
- News (52)
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- Faculty Publications (32)
Show Results For
- All HBS Web
(136)
- News (52)
- Research (76)
- Events (2)
- Multimedia (5)
- Faculty Publications (32)
- 17 Jul 2013
- News
How Yelp Might Clean Up the Restaurant Industry
- 20 Feb 2018
- News
Using Yelp to Find the Next Hot Neighborhood
- 05 Mar 2018
- Working Paper Summaries
Nowcasting Gentrification: Using Yelp Data to Quantify Neighborhood Change
- 04 Oct 2011
- News
Why Positive Yelp Reviews Do More Than Nasty Ones
- December 2016
- Article
Fake It Till You Make It: Reputation, Competition, and Yelp Review Fraud
By: Michael Luca and Georgios Zervas
Consumer reviews are now part of everyday decision making. Yet, the credibility of these reviews is fundamentally undermined when businesses commit review fraud, creating fake reviews for themselves or their competitors. We investigate the economic incentives to commit... View Details
Luca, Michael, and Georgios Zervas. "Fake It Till You Make It: Reputation, Competition, and Yelp Review Fraud." Management Science 62, no. 12 (December 2016): 3412–3427.
- 2022
- Working Paper
Consumer Reviews and Regulation: Evidence from NYC Restaurants
By: Chiara Farronato and Georgios Zervas
We investigate the informativeness of hygiene signals in online reviews, and their effect on consumer choice and restaurant hygiene. We first extract signals of hygiene from Yelp. Among all dimensions that regulators monitor through mandated restaurant inspections, we... View Details
Keywords: Restaurants; Reviews; Hygiene; Yelp; Regulation; Food; Governing Rules, Regulations, and Reforms; Consumer Behavior
Farronato, Chiara, and Georgios Zervas. "Consumer Reviews and Regulation: Evidence from NYC Restaurants." NBER Working Paper Series, No. 29715, February 2022.
- 27 Sep 2013
- News
Yelp admits a quarter of submitted reviews could be fake
- September 2018
- Article
Aggregation of Consumer Ratings: An Application to Yelp.com
By: Weijia Dai, Ginger Jin, Jungmin Lee and Michael Luca
Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in... View Details
Keywords: User Generated Content; Crowdsourcing; Yelp; Social and Collaborative Networks; Information; Internet and the Web; Learning; Mathematical Methods; E-commerce
Dai, Weijia, Ginger Jin, Jungmin Lee, and Michael Luca. "Aggregation of Consumer Ratings: An Application to Yelp.com." Quantitative Marketing and Economics 16, no. 3 (September 2018): 289–339.
- 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)
Luca, Michael. "Reviews, Reputation, and Revenue: The Case of Yelp.com." Harvard Business School Working Paper, No. 12-016, September 2011. (Revised March 2016.)
- 26 Sep 2017
- First Look
First Look at New Research and Ideas, September 26, 2017
innovation in the world: open innovation, user innovation, and citizen innovation. Research into this phenomenon could do much to advance the study and practice of creativity. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=52919 Nowcasting the... View Details
Keywords: Sean Silverthorne
- Research Summary
Crowdsourced reviews
To determine whether online consumer reviews influence the way that reputation is formed, Professor Luca has combined reviews from the website Yelp.com with public restaurant data. He has shown that a one-star increase in Yelp ratings results in a 5- to 9-percent... View Details
- 13 Apr 2016
- News
Consumer Reports in the Age of the Amazon Review
- 04 Oct 2011
- Working Paper Summaries