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2023
Working Paper

Causal Interpretation of Structural IV Estimands

By: Isaiah Andrews, Nano Barahona, Matthew Gentzkow, Ashesh Rambachan and Jesse M. Shapiro

We study the causal interpretation of instrumental variables (IV) estimands of nonlinear, multivariate structural models with respect to rich forms of model misspecification. We focus on guaranteeing that the researcher's estimator is sharp zero consistent, meaning... View Details

Keywords: Mathematical Methods

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28 Apr 2016
News

New Study Exposes the Growing Problem of Patent Aggregators and Aggregators’ Negative Impact on Innovation in the United States

February 2009 (Revised August 2010)
Case

Saudi Arabia: Modern Reform, Enduring Stability

By: Richard H. K. Vietor and Nicole Michele Forrest

This case, along with “Dubai: Global Economy” (709-043), provides an opportunity to discuss Saudi Arabia's efforts to modernize, without really Westernizing, in sharp contrast to Dubai, a nearby Arab Emirate. As Saudi Arabia's development strategy unfolds in the past... View Details

Keywords: Development Economics; Non-Renewable Energy; Globalized Markets and Industries; Government and Politics; Growth and Development Strategy; Saudi Arabia; Dubai; Middle East

Forthcoming
Article

Racial Discrimination and the Social Contract: Evidence from U.S. Army Enlistment During WWII

By: Nancy Qian and Marco Tabellini

This paper documents that the Pearl Harbor attack triggered a sharp increase in volunteer enlistment rates of American men, the magnitude of the increase was smaller for Black men than for white men and the Black-white gap was larger in counties with higher levels of... View Details

Keywords: State Capacity; Institutions; War; History; Race; Prejudice and Bias; Government Administration

October 2000 (Revised February 2007)
Case

Harvard Management Company and Inflation-Protected Bonds, The

By: Luis M. Viceira

In March 2000, the board of The Harvard Management Co. (HMC) approved significant changes in the policy portfolio determining the long-run allocation policy of the Harvard University endowment. These changes included a sharp reduction of the allocation to U.S. equities... View Details

Keywords: Bonds; Investment Portfolio; Investment Funds; Asset Management; Corporate Governance; Capital Markets; Financial Services Industry; United States

16 May 2020
News

Businesses are proving quite resilient to the pandemic

February 2009 (Revised August 2010)
Case

Dubai: Global Economy

By: Richard H. K. Vietor and Nicole Michele Forrest

This case, along with Saudi Arabia: “Modern Reform, Enduring Stability” (709-042), provides an opportunity to discuss Saudi Arabia's efforts to modernize, without really Westernizing, in sharp contrast to Dubai, a nearby Arab Emirate. As Saudi Arabia's development... View Details

Keywords: Development Economics; Non-Renewable Energy; Globalized Markets and Industries; Government and Politics; Growth and Development Strategy; Saudi Arabia; Dubai; Middle East

April 1998 (Revised June 1999)
Case

Bausch & Lomb, Inc.: Pressure to Perform

By: Robert L. Simons, Alex C. Sapir '97 and Indra Reinbergs

Bausch & Lomb is the subject of press attacks and experiences a sharp fall in stock price when management practices are exposed. Aggressive goal setting, supported by financial market expectations, is discussed as a precursor to a series of events that results in... View Details

Keywords: Performance Expectations; Management Practices and Processes; Ethics; Financial Markets; Financial Statements; Business and Shareholder Relations

08 Jan 2010
News

Multinational firms, agglomeration, and global networks

March 2024 (Revised March 2024)
Supplement

Miracle Therapeutics (B)

By: Satish Tadikonda, William Marks and Wendi Yajnik

Supplements the (A) case. Following on the negotiations detailed in the Miracle Therapeutics (A) case, Beth Sharp and Jennifer Brilliant from Miracle Therapeutics face new challenges with their company's funding and intellectual property (IP) after several missteps.... View Details

Keywords: Business Startups; Financing and Loans; Intellectual Property; Problems and Challenges; Business or Company Management

September 2016 (Revised September 2016)
Case

The Tavistock Group and the Australian Agricultural Company

By: Dante Roscini and Matthew Preble

In late 2015, Dr. Shehan Dissanayake, a managing director and board member of Bahamian investment firm The Tavistock Group (Tavistock), the largest shareholder in the Australian Agricultural Company (AACo), one of the country's largest agribusinesses, faces a... View Details

Keywords: Agribusiness; Foreign Direct Investment; Cross-Cultural and Cross-Border Issues; Business and Government Relations; Agriculture and Agribusiness Industry; Australia; Bahamas

June 2024 (Revised February 2025)
Case

Accounting for Loans at SoFi Technologies

By: Joseph Pacelli and Michael Norris

At the release of its first quarter earnings report on May 1, 2023, digital bank SoFi beat its earnings guidance by 25%. On May 2, Wedbush Securities analyst David Chiaverini issued a report downgrading the stock. A second downgrade followed from Chiaverini on May 15.... View Details

Keywords: Accounting; Banks and Banking; Financing and Loans; Valuation; Stocks; Banking Industry; United States

March 2002 (Revised July 2002)
Case

TiVo in 2002: Consumer Behavior

Brodie Keast is anxious to understand the sharp contrast between the inertia of prospects and the deep emotional response shown by converted users of TiVo. After an overview of the company's situation and problems, the case focuses on different kinds of data (sales... View Details

Keywords: Consumer Behavior; Television Entertainment; Entertainment and Recreation Industry

November 2008
Case

HNA Group: Moving China's Air Transport Industry in a New Direction

By: William C. Kirby, F. Warren McFarlan and Tracy Manty

HNA Group, the parent company of Hainan Airlines, was positioning itself to go global and make a mark for itself as the largest private airline in China. Positioned squarely behind the "Big Three" state-owned carriers, Hainan Airlines sought to create a world-class... View Details

Keywords: Global Strategy; Management Practices and Processes; Private Ownership; Competitive Advantage; Air Transportation Industry; China

July 2001 (Revised December 2001)
Case

American Express Interactive

By: Lynda M. Applegate

Follows the protagonist, Sonia Sharpe, as she and her American Express Interactive Team attempt to develop and market an interactive, on-line, corporate travel service in a highly competitive environment. Looks at the possible resources and partnerships a company needs... View Details

Keywords: Corporate Entrepreneurship; Partners and Partnerships; Growth and Development Strategy; Competitive Strategy; Marketing Strategy; Product Positioning; Applications and Software; Technological Innovation; Global Strategy; Expansion; Information Technology; Vertical Integration; Financial Services Industry; Travel Industry

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20 Mar 2017
Working Paper Summaries

Bubbles for Fama

Keywords: by Robin Greenwood, Andrei Shleifer, and Yang You

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

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September 2023
Case

The Meteoric Rise of Skims

By: Ayelet Israeli, Jill Avery and Leonard A. Schlesinger

Since its founding in 2019 by Kim Kardashian and Jens Grede, Skims, a solutions-oriented brand creating the next generation of underwear, loungewear, and shapewear with an eye toward body-type and skin-tone inclusivity, has experienced a meteoric rise. Kardashian, who... View Details

Dec 2001
Other Presentation

Innovation Lecture

By: Michael E. Porter

In his lecture, Professor Porter gave a sharp analysis of the Dutch economy. His message was that the Netherlands must watch its step because it is losing momentum as a knowledge-based economy. Not because it is performing badly, but because other countries are doing... View Details

Keywords: Economics; Netherlands

February 2019 (Revised March 2022)
Case

Mexico: Shifting Left with AMLO

By: Richard H.K. Vietor

Andrés Manuel López Obrador became president of Mexico on December 1, 2018. His election, and the victory of his new Party, MORENA, represent a sharp shift to the left by Mexico’s political system. Previously, President Peña Nieto and his party, the PRI, had initiated... View Details

Keywords: Political Economy; Pacto; Institutional Reform; Nationalism; Energy Reform; Government and Politics; Governing Rules, Regulations, and Reforms; Economic Growth; International Relations; Mexico

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