Publications

Article

No Unique Effect of Intergroup Competition on Cooperation: Non-competitive Thresholds Are as Effective as Competitions between Groups for Increasing Human Cooperative Behavior

By: Matthew R. Jordan, Jillian J. Jordan and David G. Rand

Explaining cooperation remains a central topic for evolutionary theorists. Many have argued that group selection provides such an explanation: theoretical models show that intergroup competition could have given rise to cooperation that is costly for the individual.... View Details

Keywords: Intergroup Competition; Threshold Public Goods Game; Multi-level Selection; Cooperation; Groups and Teams; Competition

1985
Working Paper

Sequential Innovation and Market Structure

By: Jerry R. Green and Jean-Jacques Laffont

This paper concerns the introduction of a sequence of new, higher-quality durable products in a market in which there already exists a lower-quality substitute. The product has the further attribute that a real resource cost is incurred at the time a higher-quality... View Details

05 Nov 2019
Blog Post

Environmental Change and Ground-level Impact

interest in that area, but I also made a point of meeting with professors one-on-one to get their perspective on where the emerging opportunities were. Do you have any advice for incoming MBAs with an interest in business and the... View Details

17 Feb 2021
Research & Ideas

Pandemic Self-Care for CEOs: Rituals, Running, and Cognitive Restructuring

for Leaders: Protect and Pivot Keep Your Weary Workers Engaged and Motivated Good Leadership Is an Act of Kindness Cut Payroll Costs with Transparency, Fairness, View Details

Keywords: by Gamze D. Yucaoglu, Robin Abrahams, and Boris Groysberg

January–February 2021
Article

Cross‐firm Return Predictability and Accounting Quality

By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim

We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both... View Details

Keywords: Accounting Quality; Earnings Quality; Stock Returns; Investment Strategy; Accounting; Business Earnings; Quality; Investment Return; Investment; Strategy

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Article

Optimal Taxation in Theory and Practice

By: N. Gregory Mankiw, Matthew C. Weinzierl and Danny Yagan

We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen... View Details

Keywords: Taxation; Theory; Practice; Policy

April 2020 (Revised July 2020)
Case

Amazon in China and India

By: Krishna G. Palepu and Kairavi Dey

Amazon has been unsuccessful in its efforts to develop a business in China. Even though Amazon was an early entrant into China’s e-commerce space, its domestic rivals, especially Alibaba, created innovative business models uniquely suited for the conditions in China. ... View Details

Keywords: Global Strategy; Multinational Firms and Management; Emerging Markets; Business Strategy; Expansion; Business Model; Retail Industry; China; India; United States

22 Jun 2021
Research & Ideas

The COVID-19 Mutiny: When Teams Leave and Take Their Clients

correspondingly negative effect." Align employees with company goals. Anecdote and data alike confirm the adage that “People don’t leave jobs, they leave managers.” For most employees, their direct manager is the face of the organization.... View Details

Keywords: by Robin Abrahams, Boris Groysberg, and Steven L. Manchel

August 2018
Article

Extrapolation and Bubbles

By: Nicholas Barberis, Robin Greenwood, Lawrence Jin and Andrei Shleifer

We present an extrapolative model of bubbles. In the model, many investors form their demand for a risky asset by weighing two signals: an average of the asset’s past price changes and the asset’s degree of overvaluation. The two signals are in conflict, and investors... View Details

Keywords: Bubble; Extrapolation; Volume; Price Bubble; Mathematical Methods

TeachingInterests

Leadership and Corporate Accountability

By: Paul M. Healy

This course focuses on the responsibilities of companies, their leaders, and their boards. Its aim is to deepend students' understanding of the economic, legal, and ethical dimensions of these responsibilities and to provide practical guidance on driving performance... View Details

01 Mar 2024
News

Alumni and Faculty Books and Podcasts

foods, and cook with 500-year-old recipes. The authors have compiled descriptions of México’s eight gastronomic regions and 32 federal states, with details of local specialties. A Bloody View Details

Keywords: Publishing Industries (except Internet); Information

28 Jan 2008
Research & Ideas

Billions of Entrepreneurs in China and India

often provided in a top-down manner. The second difference is the nature and extent of openness to outside influence and foreigners. Foreign direct investment pours into China. India has embraced foreign... View Details

Keywords: by Martha Lagace

17 Jun 2017
Research & Ideas

Amazon, Whole Foods Deal a Big Win for Consumers

Source: 400tmax Editor's Note. Online retailing behemoth Amazon announced June 16 that it would acquire upscale grocery chain Whole Foods Market in a deal valued at more than $13 billion. Though the company has dabbled with the idea of a brick-and-mortar footprint in... View Details

Keywords: by Jose Alvarez and Len Schlesinger; Retail

November 2024
Article

Leadership and Plumbing

By: Frank V. Cespedes

“Leadership” is a growth industry. Amazon lists over 60,000 books on the topic. Most focus on emotional intelligence, charisma, avoiding narcissism (usually someone else’s problem, according to these authors, not their problem) and other personality traits. But as... View Details

Keywords: Leadership Development

August 2012 (Revised November 2012)
Case

Viterra

By: Ray A. Goldberg and Matthew Preble

As Mayo Schmidt's tenure as CEO of the Canadian-based agribusiness Viterra wound down before its sale to the Swiss-based commodity company Glencore, he reflected on his tenure, which had seen the firm grow from a Canadian-focused agricultural cooperative to an... View Details

Keywords: Change Management; Vision; Strategy And Execution; Growth Strategy; Organizational Change And Transformation; International Business; Farm Cooperatives; Agribusiness; Leading Change; Growth and Development Strategy; Market Entry and Exit; Organizational Change and Adaptation; Agriculture and Agribusiness Industry; Canada; Australia; Asia; North America; Europe

April 2010
Article

Endowments, Fiscal Federalism, and the Cost of Capital for States: Evidence from Brazil, 1891-1930

By: Andre C. Martinez Fritscher and Aldo Musacchio

There is a large literature looking at the determinants of country risk (defined as the difference between the yield of a sovereign's bonds and the risk-free rate). In this paper, we contribute to the discussion by arguing that an important explanatory factor is the... View Details

Keywords: Bonds; Performance Capacity; Taxation; Revenue; Governance; Geographic Location; Trade; Price; Cost of Capital; Risk and Uncertainty; Public Administration Industry; Brazil

06 Dec 2014
News

The Genius of Starbucks and Howard Schultz

December 2019 (Revised June 2025)
Case

Mãe Terra and Unilever (A)

By: Lynn S. Paine, Ruth Costas and Priscilla Zogbi

The case concerns the sale of Mãe Terra, one of Brazil's leading brands for packaged organic foods, to the consumer goods giant Unilever in 2017. Working with Unilever management, Mãe Terra’s CEO Alexandre Borges must determine whether and how to keep Mãe Terra's B... View Details

Keywords: Brand Management; Sustainability; Mergers and Acquisitions; Mission and Purpose; Social Enterprise; Corporate Governance; Governing and Advisory Boards; Environmental Sustainability; Organizational Culture; Brands and Branding; Food and Beverage Industry; Agriculture and Agribusiness Industry; Brazil; Latin America

Summer, 2018
Article

Innovation, Reallocation and Growth

By: Daron Acemoglu, Ufuk Akcigit, Harun Alp, Nicholas Bloom and William R. Kerr

We build a model of firm-level innovation, productivity growth, and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the... View Details

Keywords: Entry; Growth; Industrial Policy; Innovation; R＆D; Reallocation; Selection; Market Entry and Exit; Growth and Development; Innovation and Invention; Research and Development; Performance Productivity