Publications
Publications
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- All HBS Web
(7,878)
- Faculty Publications (2,087)
- Article
Designing Social Networks: Joint Tasks and the Formation and Endurance of Network Ties
By: Sharique Hasan and Rembrand Koning
Can managers influence the formation of organizational networks? In this article, we evaluate the effect of joint tasks on the creation of network ties with data from a novel field experiment with 112 aspiring entrepreneurs. During the study, we randomized individuals... View Details
- 2020
- Book
Experimentation Works: The Surprising Power of Business Experiments
By: Stefan Thomke
Don’t fly blind. See how the power of experiments works for you. When it comes to improving customer experiences, trying out new business models, or developing new products, even the most experienced managers often get it wrong. They discover that intuition,... View Details
- 2020
- Article
Mutual Funds: Skill and Performance
By: Jonathan B. Berk, Jules van Binsbergen and Max Miller
The authors summarize the recent literature on mutual fund manager skill and performance. They discuss the latest contributions in the field and reinterpret them through the lens of the rational expectations framework (efficient market hypothesis). They further discuss... View Details
- Article
Prosocial Spending and Buying Time: Money as a Tool for Increasing Subjective Well-Being
By: Elizabeth Dunn, A.V. Whillans, Michael I. Norton and Lara B. Aknin
Researchers have long been interested in the relationship between income and happiness, but a newer wave of work suggests that how people use their money also matters. We discuss the three primary areas in which psychologists have explored the relationship... View Details
- 2020
- Working Paper
The Effects of Information on Credit Market Competition: Evidence from Credit Cards
By: C. Fritz Foley, Agustin Hurtado, Andres Liberman and Alberto Sepulveda
We show empirically that public credit information increases competition in credit markets. We access data that cover all credit card borrowers in Chile and include details about relationship borrowers have with each lender. We exploit a natural experiment whereby a... View Details
- 2020
- Chapter
The Gift of Global Talent: Innovation Policy and the Economy
By: William R. Kerr
Talent is the most precious resource for today’s knowledge-based economy, and a significant share of the U.S. skilled workforce in technology fields is foreign born. The United States has long held a leading position in attracting global talent, but the gap to other... View Details
- January 2020
- Case
Banorte Móvil: Data-Driven Mobile Growth
By: Ayelet Israeli, Carla Larangeira and Mariana Cal
In mid-2019, Carlos Hank was deliberating over the results for Banorte Móvil—the mobile application for Banorte, Mexico’s most profitable and second-largest financial institution. Hank, who had been appointed as Banorte´s Chairman of the Board in January 2015, had... View Details
- January 2020 (Revised July 2020)
- Supplement
MoviePass: The 'Get Big Fast' Strategy
By: Benjamin C. Esty and Daniel Fisher
In August 2017, MoviePass dramatically lowered its subscription price from $50 per month to just $10 for up to one movie per day. The idea was to rapidly scale the business to the point where they could generate incremental revenue streams form related businesses... View Details
Keywords: Market Entry; Growth Strategy; Profit Vs. Growth; Subscription Business; Cash Burn; Data Analytics; Get-big-fast; Buyer Power; Strategy Implementation; Movie Industry; Racing; Business Strategy; Value Creation; Consolidation; Cash Flow; Growth Management; Business Startups; Entrepreneurship; Disruptive Innovation; Mobile Technology; Motion Pictures and Video Industry; Entertainment and Recreation Industry; Advertising Industry; Information Industry; United States
- January 2, 2020
- Article
Changes in Quality of Care After Hospital Mergers and Acquisitions
By: Nancy Dean Beaulieu, Leemore S. Dafny, B. E. Landon, Jesse Dalton, Ifedayo Kuye and J. Michael McWilliams
Background: The hospital industry has consolidated substantially during the past two decades and at an accelerated pace since 2010. Multiple studies have shown that hospital mergers have led to higher prices for commercially insured patients, but research about effects... View Details
- 2019
- Working Paper
Industrial Change, the Boundary of the Firm, and Racial Employment Segregation
By: John-Paul Ferguson and Rembrand Koning
Racial employment segregation between large workplaces in America has grown over the last generation. We know little about how changes in patterns of employment by economic sector have contributed to this growth, though. While there are many stylized narratives about... View Details
Keywords: Workplace Segregation; Firm Boundaries; Organizations; Employees; Segmentation; Race; Change; United States
- January 2020 (Revised April 2020)
- Case
Rumo: Infrastructure for a Healthier Economy
By: Forest L. Reinhardt, Mariana Cal, Ruth Costas and Natalie Kindred
Brazilian logistics company Rumo operated 13,500 km in railway networks, port terminals, and inland transshipment terminals, connecting major Brazilian ports to the agriculture hubs of Mato Grosso and São Paulo state. Controlled by Cosan, Brazil's leading sugar and... View Details
- Article
Detecting Adversarial Attacks via Subset Scanning of Autoencoder Activations and Reconstruction Error
By: Celia Cintas, Skyler Speakman, Victor Akinwande, William Ogallo, Komminist Weldemariam, Srihari Sridharan and Edward McFowland III
Reliably detecting attacks in a given set of inputs is of high practical relevance because of the vulnerability of neural networks to adversarial examples. These altered inputs create a security risk in applications with real-world consequences, such as self-driving... View Details
- 2021
- Working Paper
Recovering Investor Expectations from Demand for Index Funds
By: Mark Egan, Alexander J. MacKay and Hanbin Yang
We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details
- January 2020
- Article
Rethinking Measurement of Pay Disparity and Its Relation to Firm Performance
By: Ethan Rouen
I develop measures of firm-level pay disparity and examine their relation to firm performance. Using comprehensive compensation data for a large sample of firms, I find no statistically significant relation between the ratio of CEO-to-mean employee compensation and... View Details
- May 2020
- Article
Scalable Holistic Linear Regression
By: Dimitris Bertsimas and Michael Lingzhi Li
We propose a new scalable algorithm for holistic linear regression building on Bertsimas & King (2016). Specifically, we develop new theory to model significance and multicollinearity as lazy constraints rather than checking the conditions iteratively. The resulting... View Details
- Article
Signaling When Nobody Is Watching: A Reputation Heuristics Account of Outrage and Punishment in One-shot Anonymous Interactions
By: Jillian J. Jordan and David G. Rand
Moralistic punishment can confer reputation benefits by signaling trustworthiness to observers. However, why do people punish even when nobody is watching? We argue that people often rely on the heuristic that reputation is typically at stake, such that reputation... View Details
Keywords: Signaling; Morality; Trustworthiness; Anger; Third-party Punishment; Moral Sensibility; Behavior; Trust; Reputation
- Winter 2020
- Article
Unsubstantiated Allegations and Organizational Culture
By: Eugene F. Soltes
When organizations investigate allegations of misconduct, they routinely determine that some allegations are unsubstantiated. A variety of factors may contribute to the conclusion that an allegation does not warrant substantiation, including a lack of supporting... View Details
- 2020
- Working Paper
Capital Regulation and Product Market Outcomes
By: Ishita Sen and David Humphry
We present evidence of product market adjustments and asset reorganizations from the largest ever shift in risk regulation in a developed insurance market. Using proprietary data on insurance risk exposures from the Bank of England, we develop a measure of regulatory... View Details
- 2020
- Working Paper
Internal Models, Make Believe Prices, and Bond Market Cornering
By: Ishita Sen and Varun Sharma
Exploiting position-level heterogeneity in regulatory incentives to misreport and novel data on regulators, we document that U.S. life insurers inflate the values of corporate bonds using internal models. We estimate an additional $9-$18 billion decline in regulatory... View Details
- December 2019
- Article
The Impact of Increasing Search Frictions on Online Shopping Behavior: Evidence from a Field Experiment
By: Donald Ngwe, Kris J. Ferreira and Thales Teixeira
Many online stores are designed such that shoppers can easily access any available discounted products. We propose that deliberately increasing search frictions by placing small obstacles to locating discounted items can improve online retailers’ margins and even... View Details