Publications

This book investigates the sources of interest group influence on public policy. Trumbull argues that diffuse groups like consumers are more influential, and industry less influential, than we commonly assume. View Details

Keywords: Government and Politics; Interests; Power and Influence; Demand and Consumers; Policy

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15 Mar 2010
HBS Case

Developing Asia’s Largest Slum

were launched in 2004; expressions of interest were invited in June 2007, but in July 2009, the government postponed the call for bids just a few hours before deadline.) Taught For The First Time The case elicited a broad range of student responses when HBS associate... View Details

Keywords: by Julia Hanna; Construction; Real Estate

16 Aug 2016
First Look

August 16, 2016

activities of a large cohort of physician-MBAs by gathering information on 206 physician graduates from the Harvard Business School MBA program who obtained their degrees between 1941 and 2014. Key outcome measures that were examined... View Details

Keywords: Sean Silverthorne

19 Jul 2006
Research & Ideas

Political Turmoil and Mexico’s Economy

analyze current overseas interventions. In addition, many of the findings will go into an HBS case by Debora Spar, Gunnar Trumbull, and myself." NATO's efforts in Afghanistan, says Maurer, superficially... View Details

Keywords: by Julia Hanna

January 2022 (Revised January 2024)
Case

ReNew Power: Leading the Energy Transition in India

By: Gunnar Trumbull and Malini Sen

Founder-CEO of one of India’s largest clean energy companies, ReNew Power, which develops, builds, and operates utility-scale wind and solar energy projects, has to decide the way forward for the company as the country and the world stand poised at the cusp of an... View Details

Keywords: Energy Generation; Renewable Energy; Energy Sources; Entrepreneurship; Private Equity; Initial Public Offering; Forecasting and Prediction; Trends; Transformation; Private Ownership; Environmental Sustainability; Energy Industry; India; Asia

January 2022 (Revised February 2022)
Case

Envision Group

By: Gunnar Trumbull, Bonnie Yining Cao and Dawn H. Lau

Based in China, Envision was one of the world’s leading Greentech companies. Chief Executive Officer Lei Zhang had set the goal of achieving carbon neutrality across the company’s global operations and supply chain by 2022 and 2028 respectively. As part of its... View Details

Keywords: Green Technology; Climate Change; Emerging Markets; Information Technology; Strategy; Management; Renewable Energy; Energy Policy; Environmental Sustainability; Manufacturing Industry; Auto Industry; Green Technology Industry; Battery Industry; China; United States; Japan; United Kingdom; France

March 2011 (Revised March 2012)
Case

Fraunhofer: Innovation in Germany

By: Diego A. Comin, J. Gunnar Trumbull and Kerry Yang

Fraunhofer is one of the largest applied research organizations in the world. With 17,000 employees and a 1.6 billion euros budget, Fraunhofer has 60 institutes in Germany that cover most fields of science. The case examines the consequences that Fraunhofer has for the... View Details

Keywords: Economy; Entrepreneurship; Financial Markets; Government and Politics; Labor; Markets; Outcome or Result; Research and Development; Competitive Strategy; Germany

December 2008
Case

The Financial Crisis of 2008

By: J. Gunnar Trumbull

This case presents excerpts from the speeches of observers to the 2008 financial crisis, including former and current central bankers, a private banker, and a Nobel-prize winning economist. They present different interpretations of the causes of the financial crisis... View Details

Keywords: Financial Crisis; Financial Management; Policy; History; Perspective

Research Summary

The Politics of Consumer Credit

A combination of factors has dramatically increased consumer access to and reliance upon credit across the OECD. These factors include financial liberalization and deregulation, improvements in consumer credit information and its analysis, and a growth in debt... View Details

Research Summary

The Political Power of Weak Interests

One of the most broadly accepted theoretical claims of public policy is the proposal that interests shared by a large set of actors tend to be under-represented in public policy. From Mancur Olson to George Stigler to James Q. Wilson, our most influential theorists... View Details

February 2023
Case

Germany, Europe, and Green Industrial Revolution

By: Gunnar Trumbull and Jonathan Schlefer

In 2023, Germany was racing to master yet another industrial revolution: this time in green technology. Could it transform its manufacturing and industry in time to sustain internationally competitiveness, especially with the United States and China; reach carbon... View Details

Keywords: Economy; Economic Growth; Success; Leadership; Problems and Challenges; Germany

2014
Book

Consumer Lending in France and America: Credit and Welfare

Why did America embrace consumer credit over the course of the twentieth century, when most other countries did not? How did American policy makers by the late twentieth century come to believe that more credit would make even poor families better off? This book traces... View Details

Keywords: Attitudes; Credit; France; United States

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