Publications
Publications
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- All HBS Web
(1,163)
- Faculty Publications (47)
- May 2018
- Article
Nowcasting Gentrification: Using Yelp Data to Quantify Neighborhood Change
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
Data from digital platforms have the potential to improve our understanding of gentrification and enable new measures of how neighborhoods change in close to real time. Combining data on businesses from Yelp with data on gentrification from the Census, Federal Housing... View Details
- 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... View Details
- May 2017
- Supplement
Boston Children's Hospital Process Map Video
By: Robert S. Kaplan and Mary Witkowski
The 13 minute video simulates a discussion among orthopedic surgeons and cast room technicians about the processes and resources used when applying long leg casts for patients. The video should be used when teaching Boston Children’s Hospital (Abridged) case, #914-407,... View Details
- December 2016
- Article
Health Care Needs Real Competition
By: Leemore S. Dafny and Thomas H. Lee
The U.S. health care system is inefficient, unreliable, and crushingly expensive. There is no shortage of proposed solutions, but central to the best of them is the idea that health care needs more competition. In other sectors, competition improves quality and... View Details
- December 2016
- Article
Industry Window Dressing
By: Huaizhi Chen, Lauren Cohen and Dong Lou
We explore a new mechanism by which investors take correlated shortcuts and present evidence that managers undertake actions—in the form of sales management—to take advantage of these shortcuts. Specifically, we exploit a regulatory provision wherein a firm’s primary... View Details
- September 2016 (Revised April 2022)
- Case
Zhang Xin and the Emergence of Chinese Philanthropy
By: Geoffrey Jones and Amanda Yang
This case examines the recent emergence of Chinese business philanthropy through the case of the SOHO China Foundation established by the wife and husband real estate moguls Zhang Xin and Pan Shiyi. It begins by describing the early careers of Zhang and Pan, and how... View Details
- February 2016 (Revised July 2017)
- Case
Leadership and Independence at the Federal Reserve
By: David Moss and Marc Campasano
“From the Great Depression, to the stagflation of the seventies, to the current economic crisis caused by the housing bubble, every economic downturn suffered by this country over the past century can be traced to Federal Reserve policy.” Ron Paul, a Republican from... View Details
- Article
How Beliefs about Self-creation Inflate Value in the Human Brain
By: Raphael Koster, Tali Sharot, Rachel Yuan, Benedetto De Martino, Michael I. Norton and Raymond J. Dolan
Humans have a tendency to overvalue their own ideas and creations. Understanding how these errors in judgement emerge is important for explaining suboptimal decisions, as when individuals and groups choose self-created alternatives over superior or equal ones. We show... View Details
- September 2015
- Article
Speaking of the Short-Term: Disclosure Horizon and Managerial Myopia
By: Francois Brochet, Maria Loumioti and George Serafeim
We study conference calls as a voluntary disclosure channel and create a proxy for the time horizon that senior executives emphasize in their communications. We find that our measure of disclosure time horizon is associated with capital market pressures and executives'... View Details
- 2018
- Working Paper
Patent Trolls: Evidence from Targeted Firms
By: Lauren Cohen, Umit G. Gurun and Scott Duke Kominers
We provide the first large-sample evidence on the behavior and impact of non-practicing entities (NPEs) in the intellectual property space. We find that on average, NPEs appear to behave as opportunistic “patent trolls.” NPEs sue cash-rich firms—and target cash in... View Details
- June 2014 (Revised May 2020)
- Supplement
Busse Place (B): Hannah's Dilemma
By: Arthur I. Segel and John H. Vogel, Jr.
Marisa Sanchez, a new Associate at Douglas Private Equity Advisors, confronts a dilemma when she is asked by a Senior Vice President (SVP) to do due diligence on a deal he wants to bring before the investment committee which will include the SVP, Douglas' owner and... View Details
Keywords: Real Estate; Financial Analysis; Property; Finance; Analysis; Ethics; Real Estate Industry; United States
- March 24, 2014
- Article
Like a Boss: How Corporate Negotiators Would Handle Nuclear Talks With Iran
While the Obama team deserves high marks for launching the interim talks, its approach doesn't sell the upside of a comprehensive deal persuasively enough to transform more Iranian skeptics into active supporters—a necessary condition for success if there is an... View Details
Keywords: Negotiations; Nuclear; Conflict Resolution; Winning Coalition; Blocking Coalition; Strategy; France; Germany; Iran; China; Great Britain; United States; Russia; Negotiation; International Relations; Conflict and Resolution; Public Administration Industry; France; Germany; Iran; China; Great Britain; United States; Russia
- March 2013 (Revised October 2013)
- Case
Corporate Solutions at Jones Lang LaSalle (2001) (A)
By: Ranjay Gulati and Luciana Silvestri
This case describes the strategic and organizational challenges that Jones Lang LaSalle (JLL) faced at the turn of the millennium. Until then, JLL sold piecemeal commercial real estate services to its corporate clients, who maintained relationships with a variety of... View Details
- July 2009 (Revised June 2011)
- Case
Dharavi: Developing Asia's Largest Slum (A)
By: Lakshmi Iyer, John D. Macomber and Namrata Arora
Maharashtra state is accepting bids to redevelop Dharavi, the largest slum in Asia. A real estate developer assesses the risks and tenders a bid. The bid conditions include providing new free housing to tens of thousands of slum dwellers, which is anticipated to be... View Details
- April 2009 (Revised July 2010)
- Case
Corporate Solutions at Jones Lang LaSalle (2001)
By: Ranjay Gulati and Lucia Menzer Marshall
Peter Barge, CEO of the newly created Corporate Solutions Group of Jones Lang LaSalle (JLL), is executing a restructuring of the U.S. corporate real estate services division that will enable the company to offer its clients integrated solutions. Barge has created an... View Details
- March 2009
- Article
Trading Restrictions and Stock Prices
By: Robin Greenwood
Firms can manipulate their stock price by limiting the ability of their investors to sell. I examine a series of corporate events in Japan in which firms actively reduced their float—the fraction of shares available to trade—for periods of one to three months, locking... View Details
- May 2008
- Article
Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods
By: Daniel Cohen, Aiyesha Dey and Thomas Lys
We document that accrual‐based earnings management increased steadily from 1987 until the passage of the Sarbanes‐Oxley Act (SOX) in 2002, followed by a significant decline after the passage of SOX. Conversely, the level of real earnings management activities declined... View Details
- July 2007 (Revised July 2008)
- Case
The Beijing Dream
By: Arthur I Segel, Voon Siang Lee, Jialei Tian and Ying Laura Wang
The purchase of a single-family home is generally the major investment for most young couples in China. Shows in detail the process that a young couple goes through in late April 2007 to find, finance, and close on an apartment in Beijing within what they believe to be... View Details
- March 2006 (Revised September 2006)
- Case
Irizar in 2005
By: Ramon Casadesus-Masanell and Jordan Mitchell
In June 2005, Koldo Saratxaga, the leader of Basque-based luxury coach manufacturer Irizar, decided to leave after 14 years at the helm of the worker-owned cooperative. Under Saratxaga's stewardship, Irizar was saved from near bankruptcy in 1991 and has become a highly... View Details
- April 2005 (Revised November 2008)
- Case
Banco Real: Banking on Sustainability
By: Rosabeth M. Kanter and Ricardo Reisen de Pinho
ABN AMRO REAL made corporate social responsibility central to its brand, adding to customer focus and reflecting its values. Leaders developed the Bank of Value theme and implemented it through activities such as microfinance in poor communities, environmentally... View Details