Publications
Publications
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- All HBS Web
(1,765)
- Faculty Publications (351)
- Article
Decreases In Readmissions Credited to Medicare's Program to Reduce Hospital Readmissions Have Been Overstated
By: Christopher Ody, Lucy Msall, Leemore S. Dafny, David Grabowski and David Cutler
Medicare’s Hospital Readmissions Reduction Program (HRRP) has been credited with lowering risk-adjusted readmission rates for targeted conditions at general acute care hospitals. However, these reductions appear to be illusory or overstated. This is because a... View Details
- December 2018
- Article
Reserve Design: Unintended Consequences and the Demise of Boston's Walk Zones
By: Umut Dur, Scott Duke Kominers, Parag A. Pathak and Tayfun Sönmez
Admissions policies often use reserves to grant certain applicants higher priority for some (but not all) available seats. Boston’s school choice system, for example, reserved half of each school’s seats for local neighborhood applicants while leaving the other half... View Details
- October 2018 (Revised September 2022)
- Case
Stock-Based Compensation at Twitter
By: Jonas Heese, Zeya Yang and Mike Young
Olivia Nash, an analyst at leading hedge fund BlueShark Capital Management, had just finished listening to the hour-long earnings call for Twitter’s Q4 2017 results. Was Twitter doing well? That depended on which numbers she chose to believe. According to Generally... View Details
- 2018
- Working Paper
Need for Speed: The Impact of Website Performance on Online Retail
By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
The share of e-commerce sales is rapidly increasing and so are the associated losses generated by website outages and slow websites. We leverage novel retail and website performance data to investigate the impact of website performance on online sales. This question is... View Details
- 12 Aug 2018 - 14 Aug 2018
- Conference Presentation
Abstraction, Knowledge Flows, and the Rapid Dissemination of Emerging Technologies
By: Willy C. Shih
Many emerging technologies are remarkably complex and embody high levels of technological sophistication, and they often are key enablers for new products and services. Yet the speed of dispersal of the know-how required to employ these technologies and foster... View Details
- July 2018 (Revised December 2018)
- Case
SOFWERX: Innovation at U.S. Special Operations Command
By: Herman Leonard, Mitchell Weiss, Jin Hyun Paik and Kerry Herman
James “Hondo” Geurts, the Acquisition Executive for U.S. Special Operations Command, was in the middle of his Senate confirmation hearing in 2017 to become Assistant Secretary of the Navy for Research, Development and Acquisition. The questions had a common theme: how... View Details
Keywords: James Geurts; Innovation; Public Entrepreneurship; Open Innovation; Crowdsourcing; Contests; Prototyping; SOFWERX; Special Operations; SOCOM; Govtech; Procurement; FAR; EZ-Fly; Navy; Department Of Defense; Innovation and Invention; Innovation and Management; Innovation Leadership; Entrepreneurship; Public Sector; Acquisition; Public Administration Industry; United States
- June 2018
- Article
The Fed, the Bond Market, and Gradualism in Monetary Policy
By: Jeremy C. Stein and Adi Sunderam
We develop a model of monetary policy with two key features: (i) the central bank has some private information about its long-run target for the policy rate, and (ii) the central bank is averse to bond-market volatility. In this setting, discretionary monetary policy... View Details
- April 2018
- Article
Scope versus Speed: Team Diversity, Leader Experience, and Patenting Outcomes for Firms
By: Prithwiraj Choudhury and Martine R. Haas
How does the organization of patenting activity affect a firm’s patenting outcomes? We investigate how the composition of patenting teams relates to both the scope of their patent applications and the speed of their patent approvals by examining the main effects of... View Details
- February 2018 (Revised June 2021)
- Case
New Constructs: Disrupting Fundamental Analysis with Robo-Analysts
By: Charles C.Y. Wang and Kyle Thomas
This case highlights the business challenges associated with a financial technology firm, New Constructs, that created a technology that can quickly parse complicated public firm financials to paint a clearer economic picture of firms, remove accounting distortions,... View Details
- 2018
- Working Paper
Zig-Zagging Your Way to Transformative Impact
By: V. Kasturi Rangan and Tricia Gregg
Achieving transformative impact has been much discussed by social entrepreneurs, funders, and consultants. These discussions have focused on issues of increasing impact and scale, but often with no clear distinction between the two terms. In order to provide clarity,... View Details
- January 2018 (Revised March 2018)
- Case
Portugal: Can Socialism Survive?
By: Richard H.K. Vietor and Haviland Sheldahl-Thomason
Portugal was not ready to join the European Monetary Union in 1999. With strong unions, weak competitiveness, and a legacy of socialism, it could not compete with north-European countries. After borrowing extensively to fund deficits, Portugal went into debt crisis in... View Details
- January 2018
- Case
Kids & Company: Entering the U.S.
By: Boris Groysberg, Matthew G. Preble and Katherine Connolly Baden
In April 2017, Victoria Sopik and Jennifer Nashmi, CEO and CFO (respectively) of Kids & Company, a Canadian childcare provider that they had co-founded in the early 2000s and developed into a nearly 100-unit enterprise, are discussing how the company should proceed... View Details
Keywords: Child Care; Childcare; Day Care; Daycare; Early Childhood Education; Strategy; Growth and Development Strategy; Growth Management; Business Strategy; Competitive Strategy; Competitive Advantage; Expansion; Leadership; Marketing; Product Marketing; Brands and Branding; Service Delivery; Service Operations; Product Design; Product Development; Cross-Cultural and Cross-Border Issues; Selection and Staffing; Customer Focus and Relationships; Entrepreneurship; Service Industry; Education Industry; United States; Canada
- January–February 2018
- Article
The Leader's Guide to Corporate Culture: How to Manage the Eight Critical Elements of Organizational Life
By: Boris Groysberg, Jeremiah Lee, Jesse Price and J. Yo-Jud Cheng
Executives are often confounded by culture, because much of it is anchored in unspoken behaviors, mindsets, and social patterns. But when properly managed, culture can help them achieve change and build organizations that will thrive in even the most trying times. In... View Details
- 2017
- Working Paper
The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond
By: Josh Lerner
Patents and citations are powerful tools for understanding innovative activity inside the firm and are increasingly used in corporate finance research. But due to the complexities of patent data collection and the changing spatial and industry composition of innovative... View Details
- November 2017 (Revised February 2019)
- Case
Kurt Summers: Investing in Our Chicago (Abridged)
By: Joshua Margolis and Michael Norris
In 2016, Kurt Summers, the Chicago City Treasurer, considered his future in Chicago politics. With an unpopular governor and mayor soon up for reelection, should Summers consider running for higher office? Summers reflects on his time growing up in gang-controlled... View Details
- November 2017
- Supplement
Merging American Airlines and US Airways (B)
By: David G. Fubini, David A. Garvin and Carin-Isabel Knoop
Exhibit to Merging American Airlines and US Airways (A) case. In February 2013, US Airways announced that it would merge with American Airlines to create the world’s largest airline. Doug Parker, the CEO of US Airways, would become CEO of the new American Airlines... View Details
- 2017
- Report
Room to Grow: Identifying New Frontiers for Apprenticeships
By: Joseph B. Fuller and Matthew Sigelman
In the United States, apprentices are employed in just 27 occupations, mostly in skilled, physical trades. An analysis of job postings data shows that extending apprenticeships to more occupations provides an opportunity to expand employment and close the middle skills... View Details
- 2017
- Working Paper
Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market
By: Feng Zhu
We examine how app developers on the Android mobile platform adjust their innovation efforts (rate and direction) and value-capture strategies in response to Google’s entry threat and actual entry into their markets. We find that, after Google’s entry threat increases,... View Details
- Article
"Troll" Check? A Proposal for Administrative Review of Patent Litigation
By: Lauren Cohen, John Golden, Umit Gurun and Scott Duke Kominers
The patent system is commonly justified as a way to promote social welfare and, more specifically, technological progress. For years, however, there has been concern that patent litigation is undermining, rather than furthering, these goals. Particularly in the United... View Details
- 2017
- Working Paper
International Business and Emerging Markets: A Long-Run Perspective
By: Geoffrey Jones
This working paper explores long-run patterns in the strategies of international business in developing countries. There was a massive wave of Western multinational investment in the developing world during the first wave of globalization before the 1920s. The... View Details