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- All HBS Web
(2,034)
- People (1)
- News (503)
- Research (1,106)
- Events (12)
- Multimedia (7)
- Faculty Publications (527)
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- 2023
- Article
Comparison of COVID-19 Hospitalization Costs across Care Pathways: A Patient-level Time-driven Activity-based Costing Analysis in a Brazilian Hospital
By: Ricardo Bertoglio Cardoso, Miriam Allein Zago Marcolino, Milena Soriano Marcolino, Camila Felix Fortis, Leila Beltrami Moreira, Ana Paula Coutinho, Nadine Oliveira Clausell, Junaid Nabi, Robert S. Kaplan, Ana Paula Beck da Silva Etges and Carisi Anne Polanczyk
The COVID-19 pandemic raised awareness of the need to better understand where and how patient-level costs are incurred in health care organizations. This study used time-driven activity-based costing to estimate COVID-19 patient-level hospital costs in a Brazilian... View Details
Cardoso, Ricardo Bertoglio, Miriam Allein Zago Marcolino, Milena Soriano Marcolino, Camila Felix Fortis, Leila Beltrami Moreira, Ana Paula Coutinho, Nadine Oliveira Clausell, Junaid Nabi, Robert S. Kaplan, Ana Paula Beck da Silva Etges, and Carisi Anne Polanczyk. "Comparison of COVID-19 Hospitalization Costs across Care Pathways: A Patient-level Time-driven Activity-based Costing Analysis in a Brazilian Hospital." BMC Health Services Research 23, no. 198 (2023).
- January 2021
- Article
Commuting and Innovation: Are Closer Inventors More Productive?
By: Hongyu Xiao, Andy Wu and Jaeho Kim
We estimate the causal effect of workplace–home commuting distance on inventor productivity. We construct a novel panel of U.S. inventors with precisely measured workplace–home distances and inventor-level productivity. Our identification strategy exploits firm office... View Details
Keywords: Commuting; Proximity; Inventors; Innovation; Relocation; Telecommuting; Geographic Location; Technological Innovation; Innovation and Management; Innovation Strategy; United States
Xiao, Hongyu, Andy Wu, and Jaeho Kim. "Commuting and Innovation: Are Closer Inventors More Productive?" Art. 103300. Journal of Urban Economics 121 (January 2021).
- 2009
- Working Paper
Endowments, Fiscal Federalism, and the Cost of Capital for States: Evidence from Brazil, 1891-1930
By: Andre C. Martinez Fritscher and Aldo Musacchio
There is a large amount of literature that aims to explain what determines country risk (defined as the difference between the yield of a sovereign's bonds and the risk-free rate). In this paper, we contribute to the discussion by arguing that an important explanatory... View Details
- 24 Oct 2013
- Working Paper Summaries
When $3+$1 > $4: The Effect of Gift Salience on Employee Effort in an Online Labor Market
- November 2016 (Revised February 2017)
- Case
Square, Inc. IPO
By: Ramana Nanda, Robert White and Lauren G. Pickle
In November 2015, Square, Inc. launched its initial public offering (IPO). The IPO had an offering price of $9 per share, lower than the $11 to $13 estimate that had been outlined in the preliminary prospectus and 42% below the $15.50 share price in its most recent... View Details
Keywords: Business Finance; Initial Public Offering; Equity; Capital Markets; Public Equity; Stocks; Venture Capital; Financial Services Industry; United States
Nanda, Ramana, Robert White, and Lauren G. Pickle. "Square, Inc. IPO." Harvard Business School Case 817-054, November 2016. (Revised February 2017.)
- February 2009
- Article
GHG Trading Framework for the U.S. Biofuels Sector
By: Subbu Kumarappan and Satish V. Joshi
Substitution of petroleum fuels with biofuels such as ethanol and biodiesel has been shown to reduce greenhouse gas (GHG) emissions. These GHG reductions can be traded in the emerging carbon markets, and methodologies for quantifying and trading are still being... View Details
Keywords: Climate Change; Environmental Sustainability; Energy Sources; Energy Industry; United States
Kumarappan, Subbu, and Satish V. Joshi. "GHG Trading Framework for the U.S. Biofuels Sector." Transition to a Bioeconomy: Environmental and Rural Development Impacts (February 2009), 78–95.
- March 1991 (Revised August 1995)
- Case
Interco
Interco has been advised by Wasserstein Perella to reject a $70 per share offer for the company. The case deals with the various types of analysis employed by Wasserstein Perella and allows a discussion of the actions of Interco's board as well as Wasserstein Perella. View Details
Mason, Scott P. "Interco." Harvard Business School Case 291-033, March 1991. (Revised August 1995.)
- August 1994
- Case
Saturn Corp.'s Module II Decision
In the Spring of 1994, Saturn Corp. was setting sales records by attracting more than 25,000 buyers per month. Saturn officials believed there was a long-term opportunity to sell 400,000 to 500,000 cars per year in the United States and selected international markets.... View Details
Keywords: Cost vs Benefits; Production; Expansion; Manufacturing Industry; Auto Industry; Retail Industry; Tennessee; United States
McGahan, Anita M., and Greg Keller. "Saturn Corp.'s Module II Decision." Harvard Business School Case 795-011, August 1994.
- September 2017 (Revised December 2017)
- Case
Hulu: Redefining the Way People Experience TV
By: Henry W. McGee and Christine Snively
In May 2017, Hulu CEO Mike Hopkins announced the launch of Hulu Live TV, a new offering that would "change the way people experience TV." The new service would allow consumers to bypass traditional cable and satellite delivery and use the Internet to access live... View Details
Keywords: Television Industry; Internet; Television Entertainment; Internet and the Web; Disruptive Innovation; Competitive Strategy; Price; Media and Broadcasting Industry; Entertainment and Recreation Industry
McGee, Henry W., and Christine Snively. "Hulu: Redefining the Way People Experience TV." Harvard Business School Case 318-002, September 2017. (Revised December 2017.)
- 20 Nov 2007
- First Look
First Look: November 20, 2007
concept—subsequently often referred to as the "$100 PC"—was launched at the Media Lab in 2003 before being spun into a separate nonprofit association, One Laptop Per Child (OLPC), founded by Negroponte in January 2005. At the... View Details
Keywords: Martha Lagace
- July 2012 (Revised July 2014)
- Case
Warby Parker: Vision of a 'Good' Fashion Brand
By: Christopher Marquis and Laura Velez Villa
In its third year of existence and poised to double its workforce, Warby Parker attributed its success to an innovative approach in the eyewear industry and to the company culture that supported it. With a mission combining social and business goals, the company had... View Details
Keywords: Entrepreneurship; Innovation; Business And Society; Social Responsiblity; Organizational Behavior; Social Entrepreneurship; Growth Management; Corporate Social Responsibility and Impact; Brands and Branding; Organizational Culture; Marketing Strategy; Innovation and Invention; Apparel and Accessories Industry; Health Industry; United States
Marquis, Christopher, and Laura Velez Villa. "Warby Parker: Vision of a 'Good' Fashion Brand." Harvard Business School Case 413-051, July 2012. (Revised July 2014.)
- March 1990 (Revised January 1997)
- Case
ROLM: The SIGMA Introduction
ROLM's product development manager, Bob Lundy, has to prepare a detailed plan for launching a new product, code named SIGMA. The new product, though outstanding in features, has the potential to drastically affect ROLM's fortunes because it is incompatible with its... View Details
Rangan, V. Kasturi. "ROLM: The SIGMA Introduction." Harvard Business School Case 590-082, March 1990. (Revised January 1997.)
- 2015
- Working Paper
Initial Offer Precision and M&A Outcomes
By: Petri Hukkanen and Matti Keloharju
Building on recent research in social psychology, this paper analyzes the link between the precision of initial cash offers and M&A outcomes. About one-half of the offers are made at the precision of $1 or $5 per share, and an additional one-third at the precision of... View Details
Hukkanen, Petri, and Matti Keloharju. "Initial Offer Precision and M&A Outcomes." Harvard Business School Working Paper, No. 16-058, November 2015.
- December 2010
- Article
An Exploration of Technology Diffusion
By: Diego Comin and Bart Hobijn
We develop a model that, at the aggregate level, is similar to the one sector neoclassical growth model, while, at the disaggregate level, has implications for the path of observable measures of technology adoption. We estimate our model using data on the diffusion of... View Details
Comin, Diego, and Bart Hobijn. "An Exploration of Technology Diffusion." American Economic Review 100, no. 5 (December 2010): 2031–59.
- November 2009 (Revised March 2011)
- Case
New York Life and Immediate Annuities
By: Julio J. Rotemberg and John T. Gourville
By positioning Immediate Annuities as "guaranteed lifetime income," New York Life has built itself a $1.4 billion per year business by 2009. However, to make Immediate Annuities a mainstream financial product for retirees, New York Life must understand why many... View Details
Keywords: Insurance; Personal Finance; Product Marketing; Consumer Behavior; Retirement; Salesforce Management; Insurance Industry
Rotemberg, Julio J., and John T. Gourville. "New York Life and Immediate Annuities." Harvard Business School Case 510-040, November 2009. (Revised March 2011.)
- April 2006 (Revised April 2012)
- Background Note
The Role of Private Equity Firms in Merger and Acquisition Transactions
Explores the importance of private equity firms in merger and acquisitions activity around the globe. In many countries, these firms now account for one quarter of the total merger and acquisition activity of all firms. The larger private equity firms generate fees for... View Details
Keywords: Leveraged Buyouts; Mergers and Acquisitions; Private Equity; Investment Funds; Value Creation
Fruhan, William E., Jr. "The Role of Private Equity Firms in Merger and Acquisition Transactions." Harvard Business School Background Note 206-101, April 2006. (Revised April 2012.)
- March 2020 (Revised March 2022)
- Case
Wachtell Lipton: Focused Excellence
By: Ashish Nanda and Margaret Cross
For years, Wachtell, Lipton, Rosen & Katz—a small, New York City law firm—has consistently boasted the highest profits per partner and one of the highest “prestige” ratings among U.S.-based law firms. The firm has remained loyal to a distinctive strategy ever since its... View Details
Nanda, Ashish, and Margaret Cross. "Wachtell Lipton: Focused Excellence." Harvard Business School Case 720-396, March 2020. (Revised March 2022.)
- 21 May 2012
- Research & Ideas
OSHA Inspections: Protecting Employees or Killing Jobs?
of error) of any cost to businesses that had been inspected. In fact, quite the contrary: the decrease in injuries led to a 26 percent reduction in costs from medical expenses and lost wages, translating to an average of $350,000 per... View Details
Keywords: by Michael Blanding
- March 2010 (Revised October 2018)
- Case
Toby Johnson (A): Leading After School
By: Boris Groysberg, Leslie Danford, Amy Lodge and Tereh Sayles
After completing her MBA in 2007, Toby Johnson, a former army pilot with the 18th Airborne Corps Rapid Deployment Force, joined PepsiCo's Leadership Development Program (LDP). For her first assignment with PepsiCo, Johnson accepted a position as a manufacturing-manager... View Details
Keywords: Leading Change; Organizational Change and Adaptation; Organizational Structure; Compensation and Benefits; Business or Company Management
Groysberg, Boris, Leslie Danford, Amy Lodge, and Tereh Sayles. "Toby Johnson (A): Leading After School." Harvard Business School Case 410-103, March 2010. (Revised October 2018.)
- 05 Mar 2009
- Working Paper Summaries
CPC/CPA Hybrid Bidding in a Second Price Auction
Keywords: by Benjamin Edelman & Hoan Soo Lee