Publications

2025
Working Paper

Tax Elasticities of Top Donors: Evidence from Family Foundations

By: Simon Essig Aberg

High net-worth donors who give through a family foundation or donor-advised fund constitute the fastest growing segment of charitable giving in the United States. Using a novel database of foundation tax filings, I document facts about top donors, estimate how they... View Details

Keywords: Philanthropy and Charitable Giving; Taxation; Motivation and Incentives

SSRN

Read Now

April 2013 (Revised June 2016)
Case

AIG and the American Taxpayers (A)

By: Karthik Ramanna and Matthew Shaffer

Explores the decision faced by AIG's board on whether to join shareholder and ex-CEO Maurice Greenberg's lawsuit against the U.S. government. The suit, argued by super-lawyer David Boies (of Bush v. Gore and California Gay Marriage fame), claims that in September 2008... View Details

Keywords: Property Rights; Financial Institutions; Financial Markets; Financial Crisis; Property; Insurance Industry; United States

2024
Working Paper

What Triggers National Stock Market Jumps?

By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon

We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details

Keywords: Uncertainty; Policy Uncertainty; Stock Market; Financial Markets; Volatility; Risk and Uncertainty; Policy; Newspapers

Read Now

Web

Confronting Climate Change - Business & Environment

segments of the business community have opposed government action on climate change. More recently, some companies have begun advocating for government policies to address climate change. Electricity... View Details

August 2024 (Revised February 2025)
Case

Novo Nordisk Foundation

By: Debora L. Spar and Julia M. Comeau

In 2024, Novo Nordisk A/S was one of the most profitable firms in the world, thanks largely to just two GLP-1-based drugs, Ozempic and Wegovy. Unusually, this incredibly profitable firm was controlled not by individual private shareholders, but by a non-profit... View Details

Keywords: Pharmaceutical Companies; Diabetes; Obesity; Foundation; Non-profit Management; Profit; Corporate Governance; Business or Company Management; Corporate Social Responsibility and Impact; Expansion; Philanthropy and Charitable Giving; Nonprofit Organizations; Pharmaceutical Industry; Denmark; Europe

01 Sep 2022
What Do You Think?

Is It Time to Consider Lifting Tariffs on Chinese Imports?

American labor unions. Others argue about the importance of maintaining national security. Could they be persuaded to support such a move if the US government invested in American industries at the same time, perhaps similarly to... View Details

Keywords: Re: James L. Heskett

Web

Health Care - Faculty & Research

in Humana Medicare Advantage plans now had access to Humana-provided primary care, home care, behavioral health, and mail order pharmacy services. Innovative partnerships with private equity firms had helped finance the acquisition and... View Details

October 2024
Case

Edizione

By: Cynthia A. Montgomery, Dante Roscini, Elena Corsi and Hugo Etchegoyhen

This case study examines the diversification and transformation of Edizione, the Benetton family's holding company originally established to reinvest dividends from the Benetton clothing brand. Edizione expanded significantly in the late 1990s and early 2000s,... View Details

March 2018
Case

Chaudhary Group: Rebuilding Nepal

By: Christopher J. Malloy, Lauren H. Cohen and Inakshi Sobti

After the 2015 Nepal earthquake, the Chaudhary Group, a billion-dollar conglomerate in Nepal, decides to play a pivotal role in rebuilding the country. The Group's philanthropic arm (Chaudhary Foundation) works with stakeholders and develops a blue print for short- and... View Details

Web

Advisory Board - Entrepreneurship

an M.B.A. from Harvard Business School, an M.P.A. from Harvard University’s John F. Kennedy School of Government and a B.A. in Economics from the University of California, Berkeley. She serves on the Advisory Board of Harvard Business... View Details

Web

Entrepreneurial Management Curriculum - Faculty & Research

Opportunities in the Restaurant Industry (also listed under General Management) Michael S. Kaufman , Andy Pforzheimer Spring 2026 Q3Q4 3.0 The Coming of Managerial Capitalism Tom Nicholas Spring 2026 Q3Q4 3.0 Entrepreneurial Finance (also... View Details

January 2011
Case

Masdar and Tianjin: Eco-Cities

By: John D. Macomber

Compares Masdar City and Tianjin Eco-City, two high profile "sustainable cities." Each showcases technological and financial innovation. Is it real? Is it replicable and defensible? The case is intended to introduce main concepts and tradeoffs with respect to rapid... View Details

Keywords: Technological Innovation; Business Model; Development Economics; Urban Development; Cash Flow; Project Finance; Competitive Advantage; Environmental Sustainability; City; Infrastructure

September 2009 (Revised June 2011)
Supplement

Citigroup's Exchange Offer (C)

By: Robin Greenwood and James Quinn

Citigroup faced considerable distress in early 2009. In late 2008, the bank had accepted $45 billion in preferred equity from the United States government via the Troubled Assets Relief Program (TARP). Yet, the stock had continued to slide in early 2009. In late... View Details

Keywords: Financial Instruments; Financial Services Industry

July 2009 (Revised June 2015)
Case

Citigroup's Exchange Offer

By: Robin Greenwood and James Quinn

Citigroup faced considerable distress in early 2009. In late 2008, the bank had accepted $45 billion in preferred equity from the United States government via the Troubled Assets Relief Program (TARP). Yet, the stock had continued to slide in early 2009. In late... View Details

Keywords: Financial Crisis; Capital Markets; Banks and Banking; Stocks; Price; Globalized Markets and Industries; Financial Services Industry

2019
Working Paper

Fiscal Rules and Sovereign Default

By: Laura Alfaro and Fabio Kanczuk

Recurrent concerns over debt sustainability in emerging and developed nations have prompted renewed debate on the role of fiscal rules. Their optimality, however, remains unclear. We provide a quantitative analysis of fiscal rules in a standard model of sovereign debt... View Details

Keywords: Sovereign Debt; Hyperbolic Discounting; Fiscal Rules; Sovereign Finance

Read Now

Winter 2019
Article

Value-based Health Care: Lessons for the Anesthesiologist

By: J.A. Martin, B.L. Potter, T.F. Flanagan and T.W. Feeley

At one point or another in our life, we all become consumers of the health care industry. Indeed, health care affects everyone and encompasses a diverse set of services from childbirth, to illness prevention, to the management of chronic disease and end-of-life care.... View Details

Keywords: Value-based Health Care; Anesthesiologists; Health Care and Treatment; Value; Cost Management; Problems and Challenges; Health Industry; United States

Find at Harvard

Register to Read

18 Nov 2014
First Look

First Look: November 18

business model and analyzes how his firm evolved into a diversified business group. The research supports prevailing explanations of business groups, which identify the role of institutional voids, government policies, and contact... View Details

Keywords: Sean Silverthorne

14 Aug 2018
First Look

First Look at New Research and Ideas, August 14, 2018

understanding the mechanisms that permit firms to capture value. Many of these imperfections are competed away when firms struggle to attain and defend competitive advantages, making markets more efficient in the process. The remaining imperfections can become a... View Details

Keywords: by Sean Silverthorne

March 2010 (Revised January 2012)
Case

Bank of America-Merrill Lynch

By: Guhan Subramanian and Nithyasri Sharma

In September 2008, as Lehman Brothers struggled to survive, John Thain, CEO of Merrill Lynch, realized that his bank was also on the brink of failure. Throughout the weekend of September 13–14, 2008, Thain successfully negotiated a deal with Ken Lewis, CEO of Bank of... View Details

Keywords: Mergers and Acquisitions; Financial Crisis; Financing and Loans; Negotiation Deal; Business and Government Relations; Banking Industry; United States