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Show Results For
- All HBS Web
(1,035)
- People (1)
- News (279)
- Research (568)
- Events (8)
- Multimedia (11)
- Faculty Publications (278)
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- Research Summary
Wall Street Research
By: Paul M. Healy
Wall Street research helps to support a well-functioning capital market by providing investors with information about investment opportunities, and corporate issuers with liquidity for their stocks. Yet surprisingly little is known about how Wall Street research... View Details
- 2012
- Working Paper
The Cost of Friendship
By: Paul A. Gompers, Yuhai Xuan and Vladimir Mukharlyamov
This paper explores two broad questions on collaboration between individuals. First, we investigate what personal characteristics affect people's desire to work together. Second, given the influence of these personal characteristics, we analyze whether this attraction... View Details
Gompers, Paul A., Yuhai Xuan, and Vladimir Mukharlyamov. "The Cost of Friendship." NBER Working Paper Series, No. 18141, June 2012.
- 07 Jul 2009
- First Look
First Look: July 7
different and many SOEs have learned the lessons of the past. Organizational Design: Balancing Search and Stability in Strategic Decision Making Authors:Jan Rivkin and Nicolaj Siggelkow Publication:In The Network Challenge: Strategy, Profit and Risk in an Interlinked... View Details
Keywords: Martha Lagace
- March 2021
- Case
CashDrop (A)
By: Rembrand Koning, Paul A. Gompers and Sarah Gulick
In July 2020, Ruben Flores-Martinez had launched a startup, CashDrop, which provided easy and cheap sales options for small businesses. The COVID-19 pandemic helped CashDrop quickly grow. Flores-Martinez, who had previously sought and been denied venture capital... View Details
Keywords: Payment Systems; Small Business; Entrepreneurship; Business Startups; Venture Capital; Online Technology; Technology Industry; Financial Services Industry; Chicago; Illinois
Koning, Rembrand, Paul A. Gompers, and Sarah Gulick. "CashDrop (A)." Harvard Business School Case 221-051, March 2021.
- 15 Aug 2006
- First Look
First Look: August 15, 2006
compared to their Mexican counterparts. In Mexico, foreign companies, which had access to financial markets abroad, also had lower average connections with banks. I conclude by arguing that even though the Brazil, Mexico and the United... View Details
Keywords: Sean Silverthorne
- July 2022
- Article
Private Equity and COVID-19
By: Paul A. Gompers, Steven N. Kaplan and Vladimir Mukharlyamov
We survey more than 200 private equity (PE) managers from firms with $1.9 trillion of assets under management (AUM) about their portfolio performance, decisionmaking and activities during the Covid-19 pandemic. Given that PE managers have significant incentives to... View Details
Keywords: COVID-19 Pandemic; Health Pandemics; Private Equity; Management; Investment Portfolio; Performance; Decision Making; Value Creation
Gompers, Paul A., Steven N. Kaplan, and Vladimir Mukharlyamov. "Private Equity and COVID-19." Journal of Financial Intermediation 51 (July 2022).
- March 2022 (Revised January 2025)
- Technical Note
Exploratory Data Analysis
This module note provides an overview of exploratory data analysis for an introduction to data science course. It begins by defining the term "data", and then describes the different types of data that companies work with (structured v. unstructured, categorical v.... View Details
Keywords: Data Analysis; Data Science; Statistics; Data Visualization; Exploratory Data Analysis; Analytics and Data Science; Analysis
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Exploratory Data Analysis." Harvard Business School Technical Note 622-098, March 2022. (Revised January 2025.)
- Article
Improved Bounds on the Sizes of S.P Numbers
By: Paul Myer Kominers and Scott Duke Kominers
A number which is S.P in base r is a positive integer which is equal to the sum of its base-r digits multiplied by the product of its base-r digits. These numbers have been studied extensively in The Mathematical Gazette. Recently, Shah Ali... View Details
Keywords: Mathematical Methods
Kominers, Paul Myer, and Scott Duke Kominers. "Improved Bounds on the Sizes of S.P Numbers." Mathematical Gazette 94, no. 529 (March 2010): 127–129.
- 09 Dec 2014
- First Look
First Look: December 9
performance of hybrid organizations that pursue a social mission, and sustain their operations through commercial activities, by studying work integration social enterprises (WISEs). We argue that social imprinting and economic... View Details
Keywords: Sean Silverthorne
- 2023
- Working Paper
The Market for CEOs: Evidence from Private Equity
By: Paul A. Gompers, Steven N. Kaplan and Vladimir Mukharlyamov
Most research on the CEO labor market studies public company CEOs while largely ignoring CEOs in private equity (PE) funded companies. We fill this gap by studying the market for CEOs among U.S. companies purchased by PE firms in large leveraged buyout transactions.... View Details
Gompers, Paul A., Steven N. Kaplan, and Vladimir Mukharlyamov. "The Market for CEOs: Evidence from Private Equity." NBER Working Paper Series, No. 30899, April 2022. (Revised January 2023.)
- August 2006 (Revised August 2007)
- Case
Revenue Recognition Problems in the Communications Equipment Industry
By: Paul M. Healy and Arjuna J Costa
Designed to explore recognition issues in the context of a potential market downturn. In late 2000, Lucent Technologies reports multiple revisions to its recent financial results due to revenue recognition problems, leading to a dramatic decline in its stock price.... View Details
Keywords: Corporate Disclosure; Revenue Recognition; Policy; Supply and Industry; Performance; Communications Industry
Healy, Paul M., and Arjuna J Costa. "Revenue Recognition Problems in the Communications Equipment Industry." Harvard Business School Case 107-025, August 2006. (Revised August 2007.)
- 05 Jul 2016
- First Look
July 5, 2016
foods, leading to consolidation and causing sales to decline in 2010. With 150 years' experience in the industry, Nestlé had transformed into a nutrition, health, and wellness company and made its CSV strategy explicit in the early 21st century. View Details
Keywords: Sean Silverthorne
- 01 Feb 2011
- First Look
First Look: Feb. 1
When information is asymmetric (the quality of a potential partner is known only to himself), it may seem that partner choice is not possible without signaling. Many mutualisms, however, exist without signaling, and the mechanisms by... View Details
- 2020
- Working Paper
Private Equity and COVID-19
By: Paul A. Gompers, Steven N. Kaplan and Vladimir Mukharlyamov
We survey more than 200 private equity (PE) managers from firms with $1.9 trillion of assets under management (AUM) about their portfolio performance, decisionmaking and activities during the Covid-19 pandemic. Given that PE managers have significant incentives to... View Details
Keywords: Health Pandemics; Private Equity; Management; Investment Portfolio; Performance; Decision Making; Value Creation
Gompers, Paul A., Steven N. Kaplan, and Vladimir Mukharlyamov. "Private Equity and COVID-19." NBER Working Paper Series, No. 27889, October 2020.
- June 2014 (Revised May 2017)
- Case
Southeastern Asset Management Challenges Buyout at Dell
By: Paul Healy, Suraj Srinivasan and Aldo Sesia
In late 2012, Michael Dell wants to take Dell Inc., the company he founded, private. Mr. Dell believes that the successful company's transformation from a personal computer (PC) manufacturer to an enterprise solutions and services provider (ESS) is dependent on going... View Details
Keywords: Leveraged Buyout Transaction; Leveraged Recapitalization; Management Buyout; Dell, Inc.; Hedge Fund; Corporate Governance Theory; Valuation; Valuation Ratios; Valuation Methodologies; Board Of Directors; Boards Of Directors; Carl Icahn; Computer Services Industries; Proxy Contest; Proxy Battles; Proxy Fight; Proxy Advisor; Financial Accounting; Financial Analysis; Financial Ratios; Finance; Corporate Accountability; Corporate Governance; Corporate Finance; Leveraged Buyouts; Computer Industry; United States
Healy, Paul, Suraj Srinivasan, and Aldo Sesia. "Southeastern Asset Management Challenges Buyout at Dell." Harvard Business School Case 114-015, June 2014. (Revised May 2017.)
- March 2016
- Article
The Cost of Friendship
By: Paul A. Gompers, Vladimir Mukharlyamov and Yuhai Xuan
We investigate how personal characteristics affect people's desire to collaborate and whether this attraction enhances or detracts from performance in venture capital. We find that venture capitalists who share the same ethnic, educational, or career background are... View Details
Gompers, Paul A., Vladimir Mukharlyamov, and Yuhai Xuan. "The Cost of Friendship." Journal of Financial Economics 119, no. 3 (March 2016): 626–644.
- 07 Oct 2008
- First Look
First Look: October 7, 2008
Working PapersSpanning the Institutional Abyss: The Intergovernmental Network and the Governance of Foreign Direct Investment Authors:Juan Alcacer and Paul Ingram Abstract Global economic transactions such as foreign direct investment... View Details
Keywords: Martha Lagace
- November 2004 (Revised March 2007)
- Case
10 Uncommon Values®: Optimizing the Stock-Selection Process
By: Paul M. Healy and Boris Groysberg
In 2003, Steve Hash, research director at Lehman Brothers, prepared to initiate the firm's "Ten Uncommon Values" stock-picking process for the year. An investment committee had to pick the 10 best stocks from about 100 stock ideas presented by the firm's analysts. The... View Details
Keywords: Stocks; Investment; Financial Strategy; Decision Making; Groups and Teams; Financial Services Industry; United States
Healy, Paul M., and Boris Groysberg. "10 Uncommon Values®: Optimizing the Stock-Selection Process." Harvard Business School Case 405-022, November 2004. (Revised March 2007.)
- Article
Spending Variation Among ACOs in the Medicare Shared Savings Program
By: Michael Anne Kyle, J. Michael McWilliams, Mary Beth Landrum, Bruce E. Landon, Paul Trompke, David J. Nyweide and Michael E. Chernew
OBJECTIVES: Understanding variation in spending across organizations, rather than across geographic areas, is important because care is delivered by organizations and interventions increasingly focus on organizations. Accountable care organizations (ACOs) are... View Details
Keywords: Medicare; Accountable Care Organizations; ACOs; Health Care and Treatment; Spending; Analysis
Kyle, Michael Anne, J. Michael McWilliams, Mary Beth Landrum, Bruce E. Landon, Paul Trompke, David J. Nyweide, and Michael E. Chernew. "Spending Variation Among ACOs in the Medicare Shared Savings Program." American Journal of Managed Care 26, no. 4 (April 2020): 170–175.
- 25 Nov 2014
- First Look
First Look: November 25
Sweden, Canada, and the U.S. obtain the highest management scores closely followed by Germany, with a gap to Italy, Brazil, and then finally India. We also show that autonomous government schools (i.e., government funded but with... View Details
Keywords: Carmen Nobel