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All HBS Web
(115,674)
- Faculty Publications (107)
- March 2018 (Revised February 2023)
- Teaching Note
Managing Diversity and Inclusion at Yelp
By: Michael Luca, Joshua Schwartzstein and Gauri Subramani
Teaching Note for HBS No. 918-009.
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- January 17, 2018
- Other Article
Using Traditional and Digital Data Sources Together in Economic Research
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
Glaeser, Edward L., Hyunjin Kim, and Michael Luca. "Using Traditional and Digital Data Sources Together in Economic Research." Vox, CEPR Policy Portal (January 17, 2018).
- January 2018
- Article
Big Data and Big Cities: The Promises and Limitations of Improved Measures of Urban Life
By: Edward L. Glaeser, Scott Duke Kominers, Michael Luca and Nikhil Naik
New, "big" data sources allow measurement of city characteristics and outcome variables at higher frequencies and finer geographic scales than ever before. However, big data will not solve large urban social science questions on its own. Big data has the most value for...
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Glaeser, Edward L., Scott Duke Kominers, Michael Luca, and Nikhil Naik. "Big Data and Big Cities: The Promises and Limitations of Improved Measures of Urban Life." Economic Inquiry 56, no. 1 (January 2018): 114–137.
- 2017
- Article
Handgun Waiting Periods Reduce Gun Deaths
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
Handgun waiting periods are laws that impose a delay between the initiation of a purchase and final acquisition of a firearm. We show that waiting periods, which create a “cooling off” period among buyers, significantly reduce the incidence of gun violence. We estimate...
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Keywords:
Gun Policy;
Gun Violence;
Waiting Period;
Injury Prevention;
Policy;
Safety;
Governing Rules, Regulations, and Reforms;
United States
Luca, Michael, Deepak Malhotra, and Christopher Poliquin. "Handgun Waiting Periods Reduce Gun Deaths." Proceedings of the National Academy of Sciences 114, no. 46 (November 14, 2017).
- 2017
- Working Paper
Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
Can new data sources from online platforms help to measure local economic activity? Government datasets from agencies such as the U.S. Census Bureau provide the standard measures of economic activity at the local level. However, these statistics typically appear only...
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Glaeser, Edward L., Hyunjin Kim, and Michael Luca. "Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity." Harvard Business School Working Paper, No. 18-022, September 2017. (Revised October 2017.)
- September 2017 (Revised February 2023)
- Supplement
Managing Diversity and Inclusion at Yelp (B)
By: Michael Luca, Joshua Schwartzstein and Gauri Subramani
Supplements the (A) case.
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Luca, Michael, Joshua Schwartzstein, and Gauri Subramani. "Managing Diversity and Inclusion at Yelp (B)." Harvard Business School Supplement 918-012, September 2017. (Revised February 2023.)
- August 2017 (Revised February 2023)
- Case
Managing Diversity and Inclusion at Yelp
By: Michael Luca, Joshua Schwartzstein and Gauri Subramani
This case explores the industry-wide lack of employee diversity in the technology sector and Yelp’s decision to take a leadership position in identifying strategies to increase diversity. The goal of the case is to provide an opportunity for students to develop a...
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Keywords:
Diversity;
Employees;
Leading Change;
Strategy;
Organizational Culture;
Technology Industry
Luca, Michael, Joshua Schwartzstein, and Gauri Subramani. "Managing Diversity and Inclusion at Yelp." Harvard Business School Case 918-009, August 2017. (Revised February 2023.)
- August 2017 (Revised November 2017)
- Case
Paktor: Designing a Dating App
By: Michael Luca, Stephanie Chan and Essie Alamsyah
Paktor is a popular mobile-based online dating app from Singapore, where a user can swipe right or left on a profile to indicate her interest in a potential match. The case is designed to explore issues related to pricing, market design, and launch strategies in the...
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Luca, Michael, Stephanie Chan, and Essie Alamsyah. "Paktor: Designing a Dating App." Harvard Business School Case 918-005, August 2017. (Revised November 2017.)
- 2018
- Working Paper
Survival of the Fittest: The Impact of the Minimum Wage on Firm Exit
By: Dara Lee Luca and Michael Luca
We study the impact of the minimum wage on firm exit in the restaurant industry, exploiting recent changes in the minimum wage at the city level. We find that the impact of the minimum wage depends on whether a restaurant was already close to the margin of exit....
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Luca, Dara Lee, and Michael Luca. "Survival of the Fittest: The Impact of the Minimum Wage on Firm Exit." Harvard Business School Working Paper, No. 17-088, April 2017. (Revised August 2018.)
- April 2017
- Article
Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment
By: Benjamin Edelman, Michael Luca and Daniel Svirsky
In an experiment on Airbnb, we find that applications from guests with distinctively African-American names are 16% less likely to be accepted relative to identical guests with distinctively White names. Discrimination occurs among landlords of all sizes, including...
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Keywords:
Discrimination;
Field Experiment;
Bias;
Airbnb;
Prejudice and Bias;
Race;
Accommodations Industry
Edelman, Benjamin, Michael Luca, and Daniel Svirsky. "Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment." American Economic Journal: Applied Economics 9, no. 2 (April 2017): 1–22.
- 2016
- Working Paper
Delaying Firearm Purchases Reduces Gun Violence
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
Handgun waiting periods are laws that impose a two to seven-day delay between the purchase and delivery of a firearm. While states might institute waiting periods for different reasons (e.g., to allow for background checks), these delays also create a “cooling off”...
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- 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...
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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.
- November, 2016
- Article
Fixing Discrimination in Online Marketplaces
By: Ray Fisman and Michael Luca
Online marketplaces such as eBay, Uber, and Airbnb have the potential to reduce racial, gender, and other forms of bias that affect the off-line world. And in the early days of Internet commerce, the relative anonymity of transactions did make it harder for...
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Fisman, Ray, and Michael Luca. "Fixing Discrimination in Online Marketplaces." Harvard Business Review 94, no. 12 (November, 2016): 88–95.
- 2016
- Working Paper
Designing Online Marketplaces: Trust and Reputation Mechanisms
By: Michael Luca
Online marketplaces have proliferated over the past decade, creating new markets where none existed. By reducing transaction costs, online marketplaces facilitate transactions that otherwise would not have occurred and enable easier entry of small sellers. One central...
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Luca, Michael. "Designing Online Marketplaces: Trust and Reputation Mechanisms." NBER Working Paper Series, No. 22616, September 2016.
- September 2016
- Article
When 3+1>4: Gift Structure and Reciprocity in the Field
By: Duncan S. Gilchrist, Michael Luca and Deepak Malhotra
Do higher wages elicit reciprocity and lead to increased productivity? In a field experiment with 266 employees, we find that paying higher wages, per se, does not have a discernible effect on productivity (in a context with no future employment opportunities)....
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Gilchrist, Duncan S., Michael Luca, and Deepak Malhotra. "When 3+1>4: Gift Structure and Reciprocity in the Field." Management Science 62, no. 9 (September 2016): 2639–2650.
- July 2016
- Teaching Note
Launching Yelp Reservations
By: Michael Luca, Kevin Mohan and Patrick Rooney
This teaching note accompanies "Launching Yelp Reservations (A) and (B)," which present a multi-party negotiation among Yelp, current partner OpenTable, and two startups in the online restaurant reservation industry.
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- Article
Crowdsourcing City Government: Using Tournaments to Improve Inspection Accuracy
By: Edward Glaeser, Andrew Hillis, Scott Duke Kominers and Michael Luca
The proliferation of big data makes it possible to better target city services like hygiene inspections, but city governments rarely have the in-house talent needed for developing prediction algorithms. Cities could hire consultants, but a cheaper alternative is to...
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Keywords:
User-generated Content;
Operations;
Tournaments;
Policy-making;
Machine Learning;
Online Platforms;
Analytics and Data Science;
Mathematical Methods;
City;
Infrastructure;
Business Processes;
Government and Politics
Glaeser, Edward, Andrew Hillis, Scott Duke Kominers, and Michael Luca. "Crowdsourcing City Government: Using Tournaments to Improve Inspection Accuracy." American Economic Review: Papers and Proceedings 106, no. 5 (May 2016): 114–118.
- Article
Productivity and Selection of Human Capital with Machine Learning
By: Aaron Chalfin, Oren Danieli, Andrew Hillis, Zubin Jelveh, Michael Luca, Jens Ludwig and Sendhil Mullainathan
Keywords:
Analytics and Data Science;
Selection and Staffing;
Performance Productivity;
Mathematical Methods;
Policy
Chalfin, Aaron, Oren Danieli, Andrew Hillis, Zubin Jelveh, Michael Luca, Jens Ludwig, and Sendhil Mullainathan. "Productivity and Selection of Human Capital with Machine Learning." American Economic Review: Papers and Proceedings 106, no. 5 (May 2016): 124–127.
- March 2016 (Revised January 2020)
- Teaching Note
Behavioural Insights Team (A) and (B)
By: Michael Luca and Patrick Rooney
The Behavioural Insights Team case introduces students to the concept of choice architecture and the value of experimental methods (sometimes called A/B testing) within organizational contexts. The exercise provides an opportunity for students to apply these principles...
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- March 2016
- Supplement
Advertising Experiments at RestaurantGrades
By: Weijia Dai, Hyunjin Kim and Michael Luca
This exercise provides students with a data set consisting of results from a hypothetical experiment, and asks students to make recommendations based on the data. Through this process, the exercise teaches students to analyze, design, and interpret experiments. The...
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