Publications
Publications
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- All HBS Web
(3,573)
- Faculty Publications (557)
- August 2014
- Article
Friends in High Places
By: Lauren Cohen and Christopher Malloy
We demonstrate that personal connections amongst U.S. politicians have a significant impact on Senate voting behavior. Networks based on alumni connections between politicians are consistent predictors of voting behavior. We estimate sharp measures that control for... View Details
- Article
Past, Present and Future Research on Multiple Identities: Toward an Intrapersonal Network Approach
Psychologists, sociologists, and philosophers have long recognized that people have multiple identities—based on attributes such as organizational membership, profession, gender, ethnicity, religion, nationality, and family role(s) and that these multiple identities... View Details
- July 2014
- Article
Diasporas and Outsourcing: Evidence from oDesk and India
By: Ejaz Ghani, William R. Kerr and Christopher Stanton
This study examines the role of the Indian diaspora in the outsourcing of work to India. Our data are taken from oDesk, the world's largest online platform for outsourced contracts, where India is the largest country in terms of contract volume. We use an ethnic name... View Details
- June 2014
- Article
Informal Peer Interaction and Practice Type as Predictors of Physician Performance on Maintenance of Certification Examinations
By: Melissa A. Valentine, S. Barsade, Amy C. Edmondson, A. Gal and R. Rhodes
Context: Physicians can demonstrate mastery of the knowledge that supports continued clinical competence by passing a Maintenance of Certification exam. Exam performance depends on professional learning and development, which may be enhanced by informal routine... View Details
- April 2014 (Revised July 2017)
- Case
The Tate's Digital Transformation
By: Jill Avery
John Stack was the visionary Head of Digital Transformation at the Tate, a collection of four major art galleries in the UK, including Tate Modern, the most visited gallery devoted to modern and contemporary art in the world. Stack was the architect of the Tate's... View Details
- Article
Relational Pluralism Within and Between Organizations
By: Andrew Shipilov, Ranjay Gulati, Martin Kilduff, Stan Li and Wenpin Tsai
Relational pluralism exists when actors maintain multiple kinds of relationships with one another and develop multiple identities as a result. The outcomes of relational pluralism can include greater flexibility in building network ties, more stable exchange... View Details
- Article
Turnkey or Tailored? Relational Pluralism, Institutional Complexity, and the Organizational Adoption of More or Less Customized Practices
By: Ryan Raffaelli and Mary Ann Glynn
We examine how the organizational adoption of new practices is influenced by relational pluralism, i.e., an organization's multiple ties to actors inside and outside its industry. We theorize that institutional mechanisms of practice diffusion underlying relational... View Details
- February 2014 (Revised August 2016)
- Case
Strava
By: Joseph B. Lassiter III, William A. Sahlman and Sid Misra
Strava is a new fast-growing social network for the avid cyclist and runner. The Strava case traces the entrepreneurial journey of two serial entrepreneurs who have been co-founders in a prior venture, and who have co-founded Strava 3 years ago. The protagonists must... View Details
Keywords: Entrepreneurship; Cycling; Biking; Running; Sports; Technology; Mobile App; Mobile; GPS; Motivation; Behavioral Science; Founders; Term Sheet; Investment; Terms; Silicon Valley; Lifestyle; Strava; Financing; Fundraising; Angel; Valuation; Growth; Forecast; Business Startups; Business Plan; Trends; Forecasting and Prediction; Decision Choices and Conditions; Corporate Entrepreneurship; Institutional Investing; Collaborative Innovation and Invention; Innovation Leadership; Innovation Strategy; Innovation and Management; Technological Innovation; Management Succession; Growth Management; Growth and Development Strategy; Market Timing; Bicycle Industry; Consumer Products Industry; Technology Industry; Sports Industry; Web Services Industry; California; New England
- January 2014 (Revised January 2017)
- Case
Nivea (A)
By: Karim R. Lakhani, Johann Fuller, Volker Bilgram and Greta Friar
The case describes the efforts of Beiersdorf, a worldwide leader in the cosmetics and skin care industries, to generate and commercialize new R&D through open innovation using external crowds and "netnographic" analysis. Beiersdorf, best known for its consumer brand... View Details
Keywords: Innovation; Innovation Management; Crowdsourcing; Big Data; Innovation Strategy; Innovation and Management; Knowledge Management; Knowledge Sharing; Research and Development; Social and Collaborative Networks; Collaborative Innovation and Invention; Analytics and Data Science; Beauty and Cosmetics Industry; Consumer Products Industry
- 2013
- Working Paper
Separating Homophily and Peer Influence with Latent Space
By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski
We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of... View Details
- January–February 2014
- Article
IDEO's Culture of Helping
By: Teresa Amabile, Colin M. Fisher and Julianna Pillemer
Leaders can do few things more important than encouraging helping behavior within their organizations. In the highest-performing companies, it is a norm that colleagues support one another's efforts to do the best work they can. That has always been true for efficiency... View Details
- November 2013 (Revised December 2013)
- Case
Endeavor: Miami Heats Up
By: William A. Sahlman, Ramana Nanda, David Lane and Lisa Mazzanti
Endeavor Global was a nonprofit that for 15 years had worked to nurture entrepreneurship in emerging markets by selecting local high-impact entrepreneurs for mentoring and aid in scaling up their businesses from committed local business leaders. In summer 2012,... View Details
Keywords: Social Enterprise; Entrepreneurs; Scaling; Emerging Market Entrepreneurship; Not For Profit; Entrepreneurial Finance; Mentoring; Business Networks; Hybrid Nonprofit Funding; Mission and Purpose; Nonprofit Organizations; Social Entrepreneurship; Emerging Markets; Problems and Challenges; Finance; Miami
- September 2013
- Case
Advanced Leadership Pathways: David Weinstein and Write the World
By: Rosabeth Moss Kanter, Juliane Calingo Schwetz and Patricia Bissett Higgins
David Weinstein, a lawyer and former Chief Administrative Officer of mutual fund giant Fidelity Investments, launched Write the World, a proprietary online platform that included a writing curriculum, essay prompts in distinct subject matter, and access to expert... View Details
- September 2013 (Revised August 2015)
- Background Note
Leadership and Teaming
By: Ethan Bernstein
Small differences in the leadership of teams can have large consequences for the success of their efforts. Many initiatives fail not because of a fatal error in judgment or insufficient ideas, knowledge, motivation, or capabilities to deliver a solution. They fail... View Details
Keywords: Teams; Teaming; Leadership And Managing People; Leadership; Team Effectiveness; Team Performance; Team Design; Team Leadership; Teamwork; Team Process; Team Function; Team Launch; 60/30/10 Rule; Team Boundary; Distribution Of Leadership Authority; Self-Managed Teams; Virtual Teams; Unbounded Teams; Acts Of Leadership; Execution Teams; Decision Making Teams; Creativity Teams; Team Size; Task Design; Team Timeline; Team Roles; Team Representation; Diversity; Team Familiarity; Collective Intelligence; Team Stages Of Development; Team Coaching; Performance Pressure; X-Teams; Team Focus; Interaction; Management Teams; Managerial Roles; Management Systems; Management Style; Management Skills; Management Practices and Processes; Organizational Design; Organizational Structure; Performance Effectiveness; Performance Efficiency; Performance Productivity; Groups and Teams; Networks; Social Psychology; Behavior; Conflict and Resolution; Creativity; Social and Collaborative Networks; Satisfaction; Prejudice and Bias; Power and Influence; Personal Characteristics; Familiarity; Cognition and Thinking; Attitudes; Projects; Organizational Culture; Organizational Change and Adaptation; Leadership Development; Leadership Style; Leading Change; Knowledge Use and Leverage; Knowledge Sharing; Collaborative Innovation and Invention; Innovation and Management; Innovation Leadership; Design; Interpersonal Communication; Accommodations Industry; Accounting Industry; Advertising Industry; Aerospace Industry; Agriculture and Agribusiness Industry; Air Transportation Industry; Apparel and Accessories Industry; Auto Industry; Banking Industry; Battery Industry; Beauty and Cosmetics Industry; Bicycle Industry; Biotechnology Industry; Chemical Industry; Communications Industry; Computer Industry; Construction Industry; Consulting Industry; Consumer Products Industry; Distribution Industry; Education Industry; Electronics Industry; Employment Industry; Energy Industry; Entertainment and Recreation Industry; Fashion Industry; Financial Services Industry; Fine Arts Industry; Food and Beverage Industry; Forest Products Industry; Forestry Industry; Green Technology Industry; Health Industry; Industrial Products Industry; Information Industry; Information Technology Industry; Insurance Industry; Journalism and News Industry; Legal Services Industry; Manufacturing Industry; Media and Broadcasting Industry; Medical Devices and Supplies Industry; Mining Industry; Motion Pictures and Video Industry; Motorcycle Industry; Music Industry; Pharmaceutical Industry; Public Administration Industry; Public Relations Industry; Publishing Industry; Pulp and Paper Industry; Rail Industry; Real Estate Industry; Retail Industry; Rubber Industry; Semiconductor Industry; Service Industry; Shipping Industry; Sports Industry; Steel Industry; Technology Industry; Telecommunications Industry; Tourism Industry; Transportation Industry; Travel Industry; Utilities Industry; Video Game Industry; Web Services Industry; Asia; North and Central America; South America; Atlantic Ocean; Central Asia; Europe; Latin America; Middle East; Oceania; West Indies
- 2013
- Case
Advanced Leadership Pathways: David Weinstein and Write the World
By: Rosabeth M. Kanter, Juliane Calingo Schwetz and Patricia Bissett Higgins
David Weinstein, a lawyer and former Chief Administrative Officer of mutual fund giant Fidelity Investments, launched Write the World, a proprietary online platform that included a writing curriculum, essay prompts in distinct subject matter, and access to expert... View Details
- September–October 2013
- Article
Discretion Within Constraint: Homophily and Structure in a Formal Organization
By: Adam M. Kleinbaum, Toby E. Stuart and Michael Tushman
Homophily in social relations results from both individual preferences and selective opportunities for interaction, but how these two mechanisms interact in large, contemporary organizations is not well understood. We argue that organizational structures and geography... View Details
- August 2013 (Revised July 2025)
- Case
Amazon in 2025
By: Sunil Gupta and Margaret L. Rodriguez
Amazon launched its website in July 1995 to sell books online and by 2020 it has grown to become a digital giant with over $280 billion in annual sales. A large part of its growth came from expanding into a variety of businesses that some see as unrelated. Has it... View Details
- July 2013 (Revised January 2014)
- Case
Experience! The Finger Lakes: The Groupon Partnership Decision
By: Lynda M. Applegate, Chekitan S. Dev, Gabriele Piccoli and Arnold B. Peinado
In 2010, Experience! The Finger Lakes (ExperienceFLX), a tour operator offering guided tours and concierge services in the Finger Lakes region of New York State, was at a crossroads. The business was poised for growth, and its owners, Laura and Alan Falk, were... View Details
- June 2013 (Revised November 2013)
- Case
Bluefin Labs: The Acquisition by Twitter
By: John Deighton and Leora Kornfeld
What is the value of Bluefin Labs's social listening data to Twitter? Acquired by Twitter in 2013, Bluefin had built a system that gathered millions of online comments in an effort to develop new metrics for TV programs and brand advertising. With data from Twitter... View Details
- June 2013 (Revised March 2015)
- Case
Open Innovation at Siemens
By: Karim R. Lakhani, Katja Hutter, Stephanie Healy Pokrywa and Johann Fuller
The case describes Siemens, a worldwide innovator in the Energy, Healthcare, Industry, and Infrastructure & Cities sectors, and its efforts to develop and commercialize new R&D through open innovation, including internal and external crowdsourcing contests. Emphasis is... View Details