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  • 31 Aug 2009
  • Research & Ideas

Why Competition May Not Improve Credit Rating Agencies

and this is what we study. We looked exclusively at corporate bonds (there are no structured products, mortgage-backed securities, etc., in our sample). We find that stronger competition leads to three things: First, ratings move toward... View Details
Keywords: by Martha Lagace; Financial Services
  • 17 Nov 2015
  • First Look

November 17, 2015

forthcoming Journal of Financial Economics Introduction: New Perspectives on Corporate Capital Structure By: Acharya, Viral, Heitor Almeida, and Malcolm Baker Abstract—The National Bureau of Economic Research held a symposium titled... View Details
Keywords: Sean Silverthorne
  • 01 Dec 2011
  • News

Research With Impact: Changing Global Health Practices

used the research findings to change its approach to the issue. Ashraf says that “in both the private sector and the world of global health, effective solutions require understanding the specific context.” Achieving that understanding, especially within a global... View Details
Keywords: birth control; Government; Government
  • 03 Mar 2010
  • What Do You Think?

To What Degree Does “Identity” Affect Economic Performance?

the commitment and loyalty of employees who perceive themselves as the most disposable of corporate assets ." What will it take to turn around negative trends in "identity"? Ajay Kumar Gupta suggests that "creation of View Details
Keywords: by Jim Heskett
  • Fall 2019
  • Article

Du « défi américain » à l’expansion européenne: Les relations économiques transatlantiques des années cinquante aux années soixante-dix

By: Grace A. Ballor
Economic histories of post-war transatlantic relations have focused on two predominant narratives: US aid for European reconstruction through the Marshall Plan, and the threat of American business investment in Europe. But little research has linked these two elements.... View Details
Keywords: Multinational Corporations; Economic History; International Relations; Business History; Foreign Direct Investment; Multinational Firms and Management
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  • 11 Dec 2012
  • First Look

First Look: Dec. 11

suggests that the effect of distance should vanish over time, a hypothesis that we confirm in the data and that distinguishes technology from other flows like goods or investments. We then structurally estimate the model. The parameter... View Details
Keywords: Sean Silverthorne
  • 01 Sep 2016
  • News

Alumni and Faculty Books for September 2016

Alumni Books The Saudi Kingdom by Ali Al Shihabi (MBA 1985) (Markus Wiener Publishers) Al Shihabi presents an analysis of Saudi Arabia’s political stability in light of mounting domestic and international challenges facing the country... View Details
  • Career Coach

Philippe Taieb

positions for The Nature Conservancy, the world's largest environmental nonprofit, and was also the Director of International Operations at City Year, a youth service organization. Outside HBS, Philippe is a consultant and a coach. He... View Details
Keywords: Government; Government; Government; Government; Government; Government; Government; Government; Government; Government; Government; Government
  • October 2019 (Revised February 2025)
  • Case

A Conversation with Ellen J. Kullman, Chairman & CEO of DuPont, 2009-2015

By: Lynn S. Paine and Will Hurwitz
Ellen J. Kullman, the retired Chairman and CEO of DuPont, describes how she guided the storied science and technology company through a contentious proxy battle with activist investor Trian Partners, which acquired DuPont shares in 2013 and sought to break up the... View Details
Keywords: Agribusiness; Capital Structure; Corporate Accountability; Corporate Governance; Institutional Investing; Leadership; Leadership Style; Management; Transformation; Agriculture and Agribusiness Industry; Chemical Industry; United States
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  • Web

Past Projects | Social Enterprise | Harvard Business School

data analysis and metrics tracking. ArcelorMittal and the private sector during the Ebola crisis Spring 2016 | Focus: Healthcare; International Development Team: Sarah Nam and Sisi Pan Description: The Ebola outbreak in 2013-16 devastated... View Details
  • 14 Nov 2019
  • Book

Lifting the Lid on Turkey's Hidden Business History

government intervention in the economy. Businesses in Turkey like many emerging markets also had to navigate great turbulence. Between the 1960s and 1980s, there were repeated military coups, and hyper-inflation between the 1970s and... View Details
Keywords: by Sean Silverthorne
  • December 2006 (Revised January 2008)
  • Case

ViaGen: Revolutionizing the Livestock Industry

By: David E. Bell, Reed Martin and Mary L. Shelman
ViaGen has invested heavily to develop cloning technology for the livestock industry. Cloning has the potential to significantly improve the genetics of livestock, leading to higher quality meat, healthier animals, and more efficient production. Since 2003, the firm... View Details
Keywords: Animal-Based Agribusiness; Business Plan; Governing Rules, Regulations, and Reforms; Marketing Communications; Industry Structures; Business and Government Relations; Genetics; Commercialization; Agriculture and Agribusiness Industry; Biotechnology Industry
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  • 01 Jan 2020
  • What Do You Think?

Why Not Open America's Doors to All the World’s Talent?

H-1B visa, the ticket to temporary employment for skilled immigrants that can lead to the coveted “green card” providing permanent residency. Along with college admissions of international students and and new hires by non-profit... View Details
Keywords: by James Heskett; Technology
  • 02 Feb 2016
  • First Look

February 2, 2016

that accounting research would benefit from a greater focus on the study of causal mechanisms (or causal pathways), increased emphasis on structural modeling of the phenomena of interest, and more in-depth descriptive research. We argue... View Details
Keywords: Sean Silverthorne
  • Profile

Josh Solera

could we put together a coherent, district-wide structure to turn around eleven schools? It wasn’t easy being only twenty-three, twenty-four, and talking to people who had been living with these challenges for years. But in eleven months,... View Details
  • June 2003 (Revised April 2004)
  • Case

Mercy Corps: Global Social Entrepreneurship (A)

By: Christopher A. Bartlett and Daniel F. Curran
Neal Keny-Guyer, CEO of Mercy Corps International, built his organization by following the advice of Theodore Roosevelt: "Be smart enough to hire good people and have sense enough to get out of their way." For eight years, Keny-Guyer helped Mercy Corps grow in size and... View Details
Keywords: Corporate Entrepreneurship; Globalization; Government and Politics; Selection and Staffing; Leadership; Organizational Structure; Opportunities; Afghanistan; Iraq
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  • 04 May 2010
  • First Look

First Look: May 4

Reexamination of Tunneling and Business Groups: New Data and New Methods Authors:Jordan I. Siegel and Prithwiraj Choudhury Abstract The last decade of corporate governance research has been focused in large part on identifying what leads... View Details
Keywords: Martha Lagace
  • 14 Nov 2017
  • First Look

New Research and Ideas: November 14, 2017

Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=53461 2017 Making Research Matter: A Psychologist's Guide to Public Engagement Government and Organizations: Transforming Institutions Using Behavioral Insights By: Dalton,... View Details
Keywords: Carmen Nobel
  • 01 Jun 2003
  • News

New Course on Leadership, Values, and Corporate Accountability

After nearly two years of review and deliberation about the structure and content of the MBA required curriculum, in February Senior Associate Dean and MBA Program Chair W. Carl Kester announced several changes that will be implemented... View Details
Keywords: Colleges, Universities, and Professional Schools; Educational Services
  • 26 Sep 2019
  • Research & Ideas

What Can the World’s Largest Refugee Camp Teach Us About the Meaning of Work?

much more than just an income,” says Hussam, who teaches the course Business, Government and the International Economy to MBA students. “It gives you a sense of identity, of purpose, of a larger goal. It... View Details
Keywords: by Danielle Kost