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- September 2021
- Supplement
Telepass: From Tolling to Mobility Platform
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
This supplementary dataset can be paired with the case entitled “Telepass: From Tolling to Mobility Platform” (case no. 622-011), to allow students the opportunity to analyze data before class.
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- September 2021
- Case
Telepass: From Tolling to Mobility Platform
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
Telepass, the sole processor of electronic toll payments on Italy’s highways, has ambitions beyond tolling. Since the mid-2010s, the company has been expanding into adjacent services. In 2017, Telepass launched TelepassPay—a mobile payment application (app) that allows...
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- September 2021
- Case
Telepass: From Tolling to Mobility Platform (Abridged)
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
Telepass, the sole processor of electronic toll payments on Italy’s highways, has ambitions beyond tolling. Since the mid-2010s, the company has been expanding into adjacent services. In 2017, Telepass launched TelepassPay—a mobile payment application (app) that allows...
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- 2021
- Working Paper
How Important is Editorial Gatekeeping? Evidence from Top Biomedical Journals
We examine editors' influence on the scientific content of academic journals by unpacking the role of three major forces: journals' missions, aggregate supply of and demand for specific topics, and scientific homophily via editorial gatekeeping. In a sample of top...
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- Fall 2021
- Article
Job-Hopping Toward Equity: Changing Employers Can Help Narrow the Gender Gap in Executive Compensation
By: Boris Groysberg, Paul M. Healy and Eric Lin
Changing employers has been linked to larger pay increases for executives and managers. Although survey-based studies suggest that men gain more than women, an analysis of more than 2,000 job moves found that executive women are commanding bigger increases than men...
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- Fall 2021
- Article
When to Go and How to Go? Founder and Leader Transitions in Private Equity Firms
By: Josh Lerner and Diana Noble
Leadership transition in private equity firms is an understudied field, despite the important, albeit controversial, role such firms play in developed economies. We analyzed 260 firms in an empirical study, supplemented by qualitative interviews with a small sample of...
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- August 2021
- Case
Data Science at the Warriors
By: Iavor I. Bojinov and Michael Parzen
- 2021
- Working Paper
The Asymmetric Mispricing Information in Analysts’ Target Prices
By: Jeremiah Green, John R. M. Hand and Anywhere Sikochi
We study the mispricing information in U.S. and international analysts’ target prices. We hypothesize that asymmetry in the value-relevance of information that firms supply to analysts, and asymmetry in how analysts convert such information into their target prices,...
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- August 2021
- Case
Fair Park Covid-19 Mass Vaccination Site (A)
By: Willy Shih
This case is an opportunity to apply the methods of the Toyota Production System (TPS) to the analysis of an everyday service application: administering Covid-19 vaccines. It describes the start-up of a drive-up Covid-19 mass vaccination site at the Texas State Fair...
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- August 2021
- Supplement
Fair Park Covid-19 Mass Vaccination Site (B)
By: Willy Shih
This case is an opportunity to apply the methods of the Toyota Production System (TPS) to the analysis of an everyday service application: administering Covid-19 vaccines. It describes the start-up of a drive-up Covid-19 mass vaccination site at the Texas State Fair...
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- July 2021
- Article
Availability and Nutrient Composition of Vegetarian Items at U.S. Fast-Food Restaurants
By: Caroline G. Dunn, Mark J. Soto, Sophia V. Hua, Elizabeth A. Keenan, Lindsay M. Jaacks, Julia A. Wolfson and Sara N. Bleich
Research Questions: What are patterns in availability of vegetarian items in U.S. fast-food chains (2012 to 2018) and are there differences in nutrient composition between and within vegetarian and nonvegetarian items annually and over time?
Key Findings: In this... View Details
Key Findings: In this... View Details
Keywords:
Fast Food;
Restaurants;
Vegetarian;
Consumer Health;
Sodium;
Food;
Nutrition;
Health;
Food and Beverage Industry;
United States
- July 2021
- Article
Information Transparency, Multihoming, and Platform Competition: A Natural Experiment in the Daily Deals Market
By: Hui Li and Feng Zhu
Platform competition is shaped by the likelihood of multi-homing (i.e., complementors or consumers adopt more than one platform). To take advantage of multi-homing, platform firms often attempt to motivate their rivals’ high-performing complementors to adopt their own...
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- July 2021
- Article
The Effect of Price on Firm Reputation
By: Michael Luca and Oren Reshef
While a business's reputation can affect its pricing, prices can also affect its reputation. To explore the effect of prices on reputation, we investigate daily data on menu prices and online ratings from a large rating and ordering platform. We find that a price...
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- 2021
- Working Paper
Impact Accounting for Product Use: A Framework and Industry-specific Models
By: George Serafeim and Katie Trinh
This handbook provides the first systematic attempt to generate a framework and industry-specific models for the measurement of impacts on customers and the environment from use of products and services, in monetary terms, that can then be reflected in financial...
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- 2021
- Working Paper
The Diffusion of Disruptive Technologies
By: Nicholas Bloom, Tarek A. Hassan, Aakash Kalyani, Josh Lerner and Ahmed Tahoun
We identify novel technologies using textual analysis of patents, job postings, and earnings calls. Our approach enables us to identify and document the diffusion of 29 disruptive technologies across firms and labor markets in the U.S. Five stylized facts emerge from...
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- June 18, 2021
- Article
Who Do We Invent for? Patents by Women Focus More on Women's Health, but Few Women Get to Invent
By: Rembrand Koning, Sampsa Samila and John-Paul Ferguson
Women engage in less commercial patenting and invention than do men, which may affect what is invented. Using text analysis of all U.S. biomedical patents filed from 1976 through 2010, we found that patents with all-female inventor teams are 35% more likely than...
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Keywords:
Innovation;
Gender Bias;
Health;
Innovation and Invention;
Research;
Patents;
Gender;
Prejudice and Bias
- June 2021
- Technical Note
Introduction to Linear Regression
By: Michael Parzen and Paul J. Hamilton
This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical...
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- Article
Biosimilars and Follow-On Products in the United States: Adoption, Prices, and Users
By: Ariel Dora Stern, Jacqueline L. Chen, Melissa Ouellet, Mark R. Trusheim, Zeid El-Kilani, Amber Jessup and Ernst R. Berndt
Biologic drugs account for a disproportionate share of the increase in pharmaceutical spending in the U.S. and worldwide. Against this backdrop, many look to the expanding market for biosimilars—follow-on products to biologic drugs—as a vehicle for controlling...
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- 2021
- Working Paper
The Great Unequalizer: Initial Health Effects of COVID-19 in the United States
By: Marcella Alsan, Amitabh Chandra and Kosali I. Simon
We measure inequities from the COVID-19 pandemic on mortality and hospitalizations in the United States during the early months of the outbreak. We discuss challenges in measuring health outcomes and health inequality, some of which are specific to COVID-19 and others...
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- Article
Use of Connected Digital Products in Clinical Research Following the COVID-19 Pandemic: A Comprehensive Analysis of Clinical Trials
By: Caroline Marra, William J. Gordon and Ariel Dora Stern
Objectives: In an effort to mitigate COVID-19 related challenges for clinical research, the U.S. Food and Drug Administration (FDA) issued new guidance for the conduct of ‘virtual’ clinical trials in late March 2020. This study documents trends in the use of...
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