Publications

17 Apr 2009
Working Paper Summaries

The Investment Strategies of Sovereign Wealth Funds

Keywords: by Shai Bernstein, Josh Lerner & Antoinette Schoar; Financial Services

Article

The Impact of Corporate Social Responsibility on Investment Recommendations

By: Ioannis Ioannou and George Serafeim

Using a large sample of publicly traded U.S. firms over 16 years, we investigate the impact of corporate socially responsible (CSR) strategies on security analysts' recommendations. Socially responsible firms received more favorable recommendations in recent years... View Details

Keywords: Public Ownership; Corporate Social Responsibility and Impact; Strategy; Experience and Expertise; Value Creation; Public Equity; Markets; Investment; Perception; United States

This paper proposes a new approach to social cost-benefit analysis using a model in which a benevolent government chooses risky projects in the presence of market failures and tax distortions. The government internalizes market failures and therefore perceives project... View Details

TransDigm in 2017: The Beginning of the End or The End of the Beginning?

TransDigm, an incredibly successful yet relatively unknown company, manufactures a wide range of highly engineered aerospace parts utilizing a somewhat controversial strategy. In the 10 years following its IPO in March 2006, its stock price increased by... View Details

30 Aug 2017
News

The Surprising Power of Online Experiments

01 Sep 2023
News

Elevator Pitch: Standard of Care

Illustration by Drue Wagner Mike H. M. Teodorescu (DBA 2018) CEO, SurgiBox Dan Brown (DBA 2019) CFO Concept: Founded in the wake of Haiti’s 2010 earthquake, SurgiBox’s lead product is a portable operating room that fits into a backpack and runs on a rechargeable... View Details

Keywords: entrepreneurship; healthcare; surgery; Ukraine; Ambulatory Health Care Services; Health, Social Assistance

Research Summary

Do Measures of Financial Constraints Measure Financial Constraints?

Financial constraints are fundamental to empirical research in finance and economics. In joint work with Alexander Ljunqvist, we propose two novel tests to evaluate how well measures of financial constraints actually capture constraints. We find that firms... View Details

April 2002 (Revised October 2003)
Case

Pension Plan of Bethlehem Steel, 2001, The

By: Peter Tufano

Bethlehem Steel's 2001 bankruptcy filing inspires an employee's daughter to evaluate her father's pension plan, weeks after September 11's tragedies exacerbated a weakening U.S. economy and just months before her father planned to retire. Battered equity markets and... View Details

Keywords: Asset Management; Financial Instruments; Retirement; Steel Industry; United States

01 Dec 2008
News

Lack of Energy: The Problem of Human Inertia

medium current sacrifice in returnfor a larger benefit (or a lesser harm) in the future. From research conducted with Todd Rogers (PhDOB ’08), he finds that “such proposals tend to fail because people overweight the immediate cost View Details

April 2019 (Revised October 2020)
Case

Kraft Heinz: The $8 Billion Brand Write-Down

By: Jill Avery

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 taken a $15.4 billion asset write-down,... View Details

September 2020
Teaching Plan

Harlem Capital: Changing the Face of Entrepreneurship

By: George Serafeim

Jarrid Tingle and Henri Pierre-Jacques had spent the summer between their first and second years of their MBA program fund raising for their start-up venture capital (VC) firm, Harlem Capital Partners. Harlem Capital was founded upon the principle that addressing the... View Details

Keywords: Venture Capital Firm Compensation; Entrepreneurial Finance; Entrepreneurial Financing; Black Entrepreneurs; Black Leadership; Black Inventors; Inclusion; Minority-owned Businesses; Race And Ethnicity; Race Characteristics; Entrepreneurship; Venture Capital; Diversity; Race; Gender; Mission and Purpose; Social Enterprise; Financial Services Industry; United States

2015
Book

Economic Analysis of the Digital Economy

By: Avi Goldfarb, Shane Greenstein and Catherine Tucker

As the cost of storing, sharing, and analyzing data has decreased, economic activity has become increasingly digital. But while the effects of digital technology and improved digital communication have been explored in a variety of contexts, the impact on economic... View Details

Keywords: Information Technology; Economics

03 Jul 2025
Video

Caroline Elkins presents "Empire on Trial: Historic Injustice and the Complexities of Hope"

June 2005 (Revised May 2006)
Case

Covisint (A): The Evolution of a B2B Marketplace

By: Lynda M. Applegate and Elizabeth Collins

Ford Motor Co., General Motors, and DaimlerChrysler--the three original equipment manufacturers (OEMs) that dominated the automotive industry throughout the 20th century--launched Covisint in February 2000 as an industry supply chain exchange that would drive out cost... View Details

Keywords: Business Model; Supply Chain Management; Business Startups; Management Teams; Manufacturing Industry; Auto Industry; United States

March 2019
Article

Evidence of Upcoding in Pay-for-Performance Programs

By: Hamsa Bastani, Joel Goh and Mohsen Bayati

Recent Medicare legislation seeks to improve patient care quality by financially penalizing providers for hospital-acquired infections (HAIs). However, Medicare cannot directly monitor HAI rates and instead relies on providers accurately self-reporting HAIs in claims... View Details

Keywords: Medical Coding; Health Policy; Healthcare-acquired Conditions; Medicare; Health Care and Treatment; Policy; Performance Improvement; Quality; Measurement and Metrics; Government Legislation

SSRN

As the cost of storing, sharing, and analyzing data has decreased, economic activity has become increasingly digital. But while the effects of digital technology and improved digital communication have been explored in a variety of contexts, the impact on... View Details

August 2003
Article

When Does the Market Matter? Stock Prices and the Investment of Equity-Dependent Firms

By: Malcolm Baker, Jeremy Stein and Jeffrey Wurgler

We use a simple model of corporate investment to determine when investment will be sensitive to non-fundamental movements in stock prices. The key cross-sectional prediction of the model is that stock prices will have a stronger impact on the investment of firms that... View Details

Keywords: Stocks; Price; Investment; Equity; Forecasting and Prediction; Rank and Position; Markets

Read Now

January 2014 (Revised May 2015)
Case

Yahoo: Both Sides of the Stamped Deal

By: Jeffrey J. Bussgang and Lisa C. Mazzanti

In 2012, Marissa Mayer became the CEO of Yahoo!, a tech giant with a tumultuous past. When Mayer tries to reinvigorate the company, she hires Jacqueline Reses, who has a private equity background, to head both human resources and mergers and acquisitions (M&A). As part... View Details

Keywords: Mobile App; Acquisition-hire; Exit Strategy; Start-up; Mobile and Wireless Technology; Mergers and Acquisitions; Human Resources; Entrepreneurship; Business Startups; Product Development; Technology Industry; Sunnyvale; New York (city, NY)