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(1,331)
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- Faculty Publications (467)
Show Results For
- All HBS Web
(1,331)
- News (302)
- Research (920)
- Events (12)
- Multimedia (8)
- Faculty Publications (467)
- 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
Keywords: Online Retail; Quasi-experiments; Abandonment; Synthetic Control; Internet and the Web; Performance; Service Operations
Gallino, Santiago, Nil Karacaoglu, and Antonio Moreno. "Need for Speed: The Impact of Website Performance on Online Retail." Working Paper, October 2018.
- January–February 2015
- Article
Social Comparisons and Deception Across Workplace Hierarchies: Field and Experimental Evidence
By: Benjamin Edelman and Ian Larkin
We examine how unfavorable social comparisons differentially spur employees of varying hierarchical levels to engage in deception. Drawing on literatures in social psychology and workplace self-esteem, we theorize that negative comparisons with peers could cause either... View Details
Edelman, Benjamin, and Ian Larkin. "Social Comparisons and Deception Across Workplace Hierarchies: Field and Experimental Evidence." Organization Science 26, no. 1 (January–February 2015): 78–98.
- January 2018
- Supplement
In the Eye of a Geopolitical Storm: South Korea's Lotte Group, China and the U.S. THAAD Missile Defense System (B)
By: Andy Zelleke and Brian Tilley
This case explores Lotte Group’s challenge of how to respond to Chinese government pressure in 2017, following the Group’s February decision to transfer land to the South Korean government, on which Seoul intended to deploy the U.S.-built THAAD missile defense system.... View Details
- March 2017 (Revised June 2019)
- Case
Mubadala and EBX: To X or to X It?
By: Nori Gerardo Lietz, Ricardo Andrade and Sayiddah Fatima McCree
In April 2012, Mubadala, Abu Dhabi's sovereign wealth fund invested $2 billion in Brazilian conglomerate EBX, believing the company to be undervalued by the public markets. Shortly thereafter, however, EBX and its multiple business lines began to spiral downward. Hani... View Details
Keywords: Sovereign Wealth Funds; Conglomerates; Investing; Corporate Structure; International; Sovereign Finance; Business Conglomerates; Investment; Financing and Loans; Restructuring; Organizational Structure; Economy; Brazil; Abu Dhabi
Lietz, Nori Gerardo, Ricardo Andrade, and Sayiddah Fatima McCree. "Mubadala and EBX: To X or to X It?" Harvard Business School Case 217-065, March 2017. (Revised June 2019.)
- 2025
- Working Paper
Is Love Blind? AI-Powered Trading with Emotional Dividends
By: De-Rong Kong and Daniel Rabetti
We leverage the non-fungible tokens (NFTs) setting to assess the valuation of emotional dividends (LOVE), a long-standing empirical challenge in private-value markets such as art, antiques, and collectibles. Having created and validated our proxy, we use deep learning... View Details
Kong, De-Rong, and Daniel Rabetti. "Is Love Blind? AI-Powered Trading with Emotional Dividends." Working Paper, February 2025.
- August 14, 2020
- Comment
How Has COVID-19 Affected Health Insurance Offered by Small Businesses in the U.S.? Early Evidence from a Survey
By: Leemore S. Dafny, Yin Wei Soon, Zoë Cullen and Christopher T. Stanton
As the COVID-19 pandemic stretches toward its third quarter, loss of health insurance coverage has not figured prominently in the public debate. Data in this report demonstrate why that is, but also suggest that the apparent stability is fragile, with potentially... View Details
Keywords: Health Pandemics; Health Care and Treatment; Insurance; Small Business; Surveys; United States
Dafny, Leemore S., Yin Wei Soon, Zoë Cullen, and Christopher T. Stanton. "How Has COVID-19 Affected Health Insurance Offered by Small Businesses in the U.S.? Early Evidence from a Survey." NEJM Catalyst (August 14, 2020). (Commentary.)
- February 2014
- Teaching Note
Olympus (A)
By: Jay W. Lorsch and Suraj Srinivasan
As 2012 approached the woes of the financial crisis seemed to be fading, companies were resuming business as usual and some of the scrutiny on corporate governance practices began to recede as well. That is until another major financial scandal emerged in Japan in the... View Details
- January 1998 (Revised March 2000)
- Case
Reading Rehabilitation Hospital: Implementing Patient-Focused Care
Reading Rehab Hospital has experimented with a popular new concept in health care--patient-focused care--intended to increase quality and reduce costs by organizing care delivery around particular diagnoses or "service lines," rather than around the functions or... View Details
Keywords: Demand and Consumers; Production; Service Operations; Health Care and Treatment; Health Industry
Gittell, Jody H., and Mason Brown. "Reading Rehabilitation Hospital: Implementing Patient-Focused Care." Harvard Business School Case 898-172, January 1998. (Revised March 2000.)
- March 2022
- Article
Revealing Corruption: Firm and Worker Level Evidence from Brazil
By: Emanuele Colonnelli, Spyridon Lagaras, Jacopo Ponticelli, Mounu Prem and Margarita Tsoutsoura
We study how the disclosure of corrupt practices affects the growth of firms involved in illegal interactions with the government using randomized audits of public procurement in Brazil. On average, firms exposed by the anti-corruption program grow larger after the... View Details
Colonnelli, Emanuele, Spyridon Lagaras, Jacopo Ponticelli, Mounu Prem, and Margarita Tsoutsoura. "Revealing Corruption: Firm and Worker Level Evidence from Brazil." Journal of Financial Economics 143, no. 3 (March 2022): 1097–1119.
- February 2021 (Revised March 2023)
- Supplement
The Coronavirus (COVID-19) Pandemic and the Global Economy (B)
By: Alberto Cavallo and Christian Godwin
By December 2020, the COVID-19 pandemic had swept across the globe, creating widespread disruption in all aspects of everyday life. Almost 90 million people had been infected and nearly two million had died from the disease. By this point in the pandemic—a year since... View Details
Keywords: COVID-19 Pandemic; Economy; Health Pandemics; Economic Slowdown and Stagnation; Global Range; Crisis Management; Disruption
Cavallo, Alberto, and Christian Godwin. "The Coronavirus (COVID-19) Pandemic and the Global Economy (B)." Harvard Business School Supplement 721-434, February 2021. (Revised March 2023.)
- 2021
- Working Paper
Quantifying the Inefficiency of Multi-unit Auctions for Normal Goods
By: Brian Baisa and Simon Essig Aberg
We study multi-unit auctions for homogenous goods in a private value setting where bidders have non-quasilinear preferences. Several recent impossibility results study this setting and find there is no mechanism that retains the Vickrey auction’s desired incentive and... View Details
Baisa, Brian, and Simon Essig Aberg. "Quantifying the Inefficiency of Multi-unit Auctions for Normal Goods." Working Paper, August 2021.
- May 2020
- Teaching Note
Kraft Heinz: The $8 Billion Brand Write-Down
By: Jill Avery
Teaching Note for HBS Case No. 519-076. On Friday, February 22, 2019, following an unexpected and disappointing earnings report, The Kraft Heinz Company’s stock price fell 27%, wiping out $16 billion in market value. CEO Bernardo Hees had announced that the company had... View Details
- March 2015 (Revised December 2016)
- Case
Philips Healthcare Latin America
By: Sunil Gupta
On a beautiful sunny afternoon in October 2013, Daniel Mazon (GMP 15), decided to take some time out of his busy schedule of the General Management Program (GMP) at the Harvard Business School to reflect on his company's situation. Mazon was the Vice President and... View Details
Keywords: Healthcare; Latin America; Organizational Structure; Salesforce Management; Health Care and Treatment; Medical Devices and Supplies Industry; Health Industry; Latin America
Gupta, Sunil. "Philips Healthcare Latin America." Harvard Business School Case 515-097, March 2015. (Revised December 2016.)
- 2025
- Working Paper
Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation
By: Kyle Herkenhoff, Josh Lerner, Gordon M. Phillips, Francisca Rebelo and Benjamin Sampson
We measure the real effects of private equity buyouts on worker outcomes by building a new
database that links transactions to matched employer-employee data in the United States. To
guide our empirical analysis, we derive testable implications from three theories in... View Details
Herkenhoff, Kyle, Josh Lerner, Gordon M. Phillips, Francisca Rebelo, and Benjamin Sampson. "Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation." Harvard Business School Working Paper, No. 25-046, March 2025. (Revised June 2025.)
- 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 2014
- Supplement
J.C. Penney's 'Fair and Square' Strategy (C): Back to the Future
By: Elie Ofek, Jill Avery and Jose B. Alvarez
Rehired in April 2013, Myron E. "Mike" Ullman III was brought back to stabilize the retailer's business. Under Ron Johnson's "Fair and Square" program, sales had declined rapidly and quarterly losses and expensive capital investments had put severe pressure on cash... View Details
Ofek, Elie, Jill Avery, and Jose B. Alvarez. "J.C. Penney's 'Fair and Square' Strategy (C): Back to the Future." Harvard Business School Supplement 514-073, January 2014.
- August 2011 (Revised October 2014)
- Case
High Wire Act: Credit Suisse and Contingent Capital (A)
By: Clayton S. Rose and Aldo Sesia
Late in 2010, Credit Suisse CEO Brady Dougan and his team closed in on the decision of whether or not to issue contingent capital, which Swiss regulators would require by 2019. There were a number of substantial issues facing Dougan and his team, including whether... View Details
Keywords: Financial Institutions; Capital Markets; Financial Crisis; Decision Choices and Conditions; Leadership; International Finance; Financial Liquidity; Risk and Uncertainty; Competitive Strategy; Financial Services Industry; Switzerland
Rose, Clayton S., and Aldo Sesia. "High Wire Act: Credit Suisse and Contingent Capital (A)." Harvard Business School Case 312-007, August 2011. (Revised October 2014.)
- January 2004 (Revised February 2005)
- Case
Timberland and Community Involvement (Abridged Version)
By: James E. Austin and James Quinn
When Jeffrey Swartz became the third generation in his family to lead the Timberland Co., he made community involvement an integral part of the company's strategy. Under Swartz's leadership, Timberland formed a close partnership with City Year, the national corps of... View Details
Keywords: Philanthropy and Charitable Giving; Business and Community Relations; Business and Stakeholder Relations; Corporate Strategy; Manufacturing Industry
Austin, James E., and James Quinn. "Timberland and Community Involvement (Abridged Version)." Harvard Business School Case 304-086, January 2004. (Revised February 2005.)
- 2015
- Working Paper
The Probability of Rare Disasters: Estimation and Implications
By: Emil Siriwardane
I analyze a rare disasters economy that yields a measure of the risk neutral probability of a macroeconomic disaster, p*t. A large panel of options data provides strong evidence that p*t is the single factor driving option-implied jump risk measures in the cross... View Details
Siriwardane, Emil. "The Probability of Rare Disasters: Estimation and Implications." Harvard Business School Working Paper, No. 16-061, November 2015.
- August 2016
- Article
Asymmetric Effects of Favorable and Unfavorable Information on Decision-making Under Ambiguity
By: Alexander Peysakhovich and Uma R. Karmarkar
Most daily decisions involve uncertainty about outcome probabilities arising from incomplete knowledge, i.e., ambiguity. We explore how the addition of partial information affects these types of choices using theoretical and empirical methods. Our experiments in both... View Details
Keywords: Ambiguity; Decision Making; Outcomes; Information; Decision Choices and Conditions; Outcome or Result
Peysakhovich, Alexander, and Uma R. Karmarkar. "Asymmetric Effects of Favorable and Unfavorable Information on Decision-making Under Ambiguity." Management Science 62, no. 8 (August 2016).