Publications

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

Find at Harvard

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

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

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

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

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

Keywords: CEOs; Jobs and Positions; Ownership; Recruitment

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 1999 (Revised July 2003)
Case

Pre-Paid Legal Services, Inc.

By: Paul M. Healy and Jacob Cohen

Pre-Paid Legal Services' business model reveals two key issues--managing the sales force and sales growth and managing claims. Students analyze the economics of the business and consider how to measure firm performance, how to evaluate and reward the sales force, and... View Details

Keywords: Financial Management; Financial Strategy; Salesforce Management; Marketing Strategy; Accrual Accounting; Business Cycles; Forecasting and Prediction; Insurance; Business Growth and Maturation; Insurance Industry

March 2022 (Revised January 2025)
Technical Note

Exploratory Data Analysis

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

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

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

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

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

Keywords: Sell-side Analysts; Brokerage; Investment Banking; Buy-side Analysts; Compensation; Financial Services Industry

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

Harvard Business School

Broadcast executive and businessman W. Don Cornwell was hired by Goldman Sachs in 1971 and later promoted to chief operating officer of the investment banking division's corporate finance department. In 1988, Cornwell left the securities... View Details

2016
Article

Do External Labor Market Job Switches Affect the Gender Compensation Gap?

By: Boris Groysberg, Paul M. Healy and Eric Lin

This paper investigates how external mobility influences the gender compensation gap for job switching executives. Using proprietary data for 2,034 executive placements from a global search firm, we find job switching narrows the gender gap by 45%, from 11% to 6%. We... View Details

Keywords: Executive Compensation; Gender

Find at Harvard

2009
Other Unpublished Work

Bridge Building in Venture Capital-Backed Acquisitions

By: Paul A. Gompers and Yuhai Xuan

We study the role of common venture capital investors in alleviating asymmetric information between public acquirers and private venture capital-backed targets. We find that acquisition announcement returns are more positive for acquisitions in which both the target... View Details

Keywords: Mergers and Acquisitions; Venture Capital; Private Equity; Knowledge Sharing; Market Transactions

December 2015
Article

On Wealth and the Diversity of Friendships: High Social Class People around the World Have Fewer International Friends

By: Maurice H. Yearwood, Amy Cuddy, Nishtha Lambaa, Wu Youyoua, Ilmo van der Lowe, Paul K. Piff, Charles Gronin, Pete Fleming, Emiliana Simon-Thomas, Dacher Keltner and Aleksandr Spectre

Having international social ties carries many potential advantages, including access to novel ideas and greater commercial opportunities. Yet little is known about who forms more international friendships. Here, we propose social class plays a key role in determining... View Details

Keywords: Friendships; Social Class; Internationalism; Wealth; Relationships; Globalization

Find at Harvard

August 2009 (Revised August 2010)
Supplement

Eddie Bauer (B)

By: Paul M. Healy, Sharon P. Katz and Aldo Sesia

In February 2007, shareholders of Eddie Bauer, the specialty apparel retailer, were scheduled to vote on management's proposed sale of the company to two private equity firms. More than 50% of outstanding shares in Eddie Bauer needed to be voted in favor of the deal... View Details

Keywords: Financial Statements; Mergers and Acquisitions; Governing and Advisory Boards; Privatization; Valuation; Apparel and Accessories Industry; Retail Industry; United States