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Show Results For
- All HBS Web
(7,741)
- People (26)
- News (1,167)
- Research (4,648)
- Events (61)
- Multimedia (152)
- Faculty Publications (3,449)
- 2008
- Working Paper
The Supply Side of Innovation: H-1B Visa Reforms and U.S. Ethnic Invention
By: William R. Kerr and William F. Lincoln
This study evaluates the impact of high-skilled immigrants on US technology formation. Specifically, we use reduced-form specifications that exploit large changes in the H-1B visa program. Fluctuations in H-1B admissions levels significantly influence the rate of... View Details
Keywords: Information Technology; Patents; Ethnicity; Immigration; Innovation and Invention; United States
Kerr, William R., and William F. Lincoln. "The Supply Side of Innovation: H-1B Visa Reforms and U.S. Ethnic Invention." Harvard Business School Working Paper, No. 09-005, December 2008. (FAQ on paper, Appendix, forthcoming at Journal of Labor Economics.)
- 2012
- Book
Venture Capital, Private Equity, and the Financing of Entrepreneurship
By: Josh Lerner, Ann Leamon and Felda Hardymon
Venture Capital, Private Equity, and the Financing of Entrepreneurship stems from a realization that private equity overall—defined in this volume as venture capital and buyouts but excluding hedge funds—has become a vastly more sizable and influential part of the... View Details
Lerner, Josh, Ann Leamon, and Felda Hardymon. Venture Capital, Private Equity, and the Financing of Entrepreneurship. New York: John Wiley & Sons, 2012.
Taking Innovation to the Streets: Microgeography, Physical Structure, and Innovation
In this paper, I analyze how the physical layout of cities affects innovation by influencing the organization of knowledge exchange. I exploit a novel data set covering all census block groups in the contiguous United States with information on innovation outcomes,... View Details
- 06 Sep 2006
- Lessons from the Classroom
Mixing Students and Scientists in the Classroom
Despite earning two engineering degrees at Stanford, HBS associate professor Lee Fleming says he always knew he "wanted to study more than electrons." Even so, the former professional musician and bike racer, who worked at... View Details
- 22 Mar 2023
- Blog Post
Decarbonization and Sustainable Production: Immersive Field Course in Denmark and the Netherlands
that I was never going to put into practice. Nonetheless, I figured I would at least use the skills I gained in school to find a different solution to Nigeria’s energy issues. Hence, I decided to explore a career in management consulting... View Details
Games Are Where Work, Play, and Art Meet
Games are where work, play, and art meet. Harvard experts are exploring how playing games can help people develop practical skills, make tough decisions, and connect with others. View Details
- July 2025
- Article
Economic Integration and the Transmission of Democracy
By: Marco Tabellini and Giacomo Magistretti
In this paper, we study the effects of economic integration with democratic partners on democracy. We assemble a large country-level panel dataset from 1960 to 2015, and exploit improvements in air, relative to sea, transportation to derive a time-varying instrument... View Details
Keywords: Democratization; Institutional Development; Economic Integration; International Trade; Democracy; Political Preferences; Institutions; Trade; Global Range; Economics; Government and Politics
Tabellini, Marco, and Giacomo Magistretti. "Economic Integration and the Transmission of Democracy." Review of Economic Studies 92, no. 4 (July 2025): 2765–2792. (Available also from VOX, VOXEU, Atlantico, The Economist, Domani, and Ideas for India. Longer NBER working paper version available here.)
- 2007
- Other Unpublished Work
Round Numbers and Security Returns
By: Edward Johnson, Nicole Bastian Johnson and Devin M. Shanthikumar
We document consistent differences in daily stock returns related to round numbers. In particular, we examine returns following previous day closing prices that are just above or just below round number benchmarks. We find, for both one-digit, two-digit and three-digit... View Details
- Research Summary
Marketing and Competition in Pharmaceutical Markets
In his research on pharmaceutical markets, Professor King explores how marketing and product differentiation affect competition among firms in the prescription market for anti-ulcer drugs. Four main results emerge from an analysis of antiulcer drug sales from 1977 to... View Details
- January 2020
- Article
Jack of All Trades and Master of Knowledge: The Role of Diversification in New Distant Knowledge Integration
By: Frank Nagle and Florenta Teodoridis
We consider the role of individual-level diversification as a mechanism through which skilled researchers engage in successful exploration—recognizing and integrating new knowledge external to one’s domains of expertise. To approach an ideal experiment, we (1) employ a... View Details
Keywords: Individual-level Knowledge Diversification; Novel Knowledge; Knowledge Acquisition; Diversification; Innovation and Invention; Research
Nagle, Frank, and Florenta Teodoridis. "Jack of All Trades and Master of Knowledge: The Role of Diversification in New Distant Knowledge Integration." Strategic Management Journal 41, no. 1 (January 2020): 55–85.
- July 1999 (Revised November 1999)
- Case
Northwest Airlines and the Detroit Snowstorm (A)
Northwest Airlines forced hundreds of passengers to wait up to 8 1/2 hours on aircraft after reaching their destination in an unusually horrible service disaster. The case explores what occurred, why it occurred, and the feelings of those involved. View Details
Hallowell, Roger H. "Northwest Airlines and the Detroit Snowstorm (A)." Harvard Business School Case 800-053, July 1999. (Revised November 1999.)
- September 2009 (Revised September 2010)
- Case
Genzyme Center (A)
By: Michael W. Toffel and Aldo Sesia
Genzyme Corporation is in the midst of planning its new corporate headquarters, which incorporates many innovative green building features. After learning that the building as planned would likely earn a LEED Silver rating, an intermediate score in the LEED green... View Details
Keywords: Green Building; LEED Rating System; Economic And Environmental Performance; Program Evaluation And Assessment; Tradeoffs Between Process- And Performance Standards; Buildings and Facilities; Business Headquarters; Governing Rules, Regulations, and Reforms; Standards; Corporate Social Responsibility and Impact; Performance Improvement; Environmental Sustainability; Pollutants; Green Technology Industry
Toffel, Michael W., and Aldo Sesia. "Genzyme Center (A)." Harvard Business School Case 610-008, September 2009. (Revised September 2010.)
- 14 Nov 2008
- Working Paper Summaries
Parallel Search, Incentives and Problem Type: Revisiting the Competition and Innovation Link
- May 2005 (Revised December 2022)
- Case
Aristotle Onassis and the Greek Shipping Industry
By: Geoffrey Jones and Paul Gomopoulos
Examines the career of Aristotle Onassis and his creation of one of the world's largest shipping companies between 1945 and 1973. Explores the role of ethnic and family networks in Greek shipping and how Onassis was able to penetrate this system despite being an... View Details
Keywords: Networks; Ethnicity; Family Business; Innovation Strategy; Management Succession; Competitive Advantage; Personal Development and Career; Entrepreneurship; Shipping Industry; Greece
Jones, Geoffrey, and Paul Gomopoulos. "Aristotle Onassis and the Greek Shipping Industry." Harvard Business School Case 805-141, May 2005. (Revised December 2022.)
- 2016
- Chapter
Navigating Natural Monopolies: Market Strategy and Nonmarket Challenges in Radio and Television Audience Measurement Markets
By: Hillary Greene and Dennis Yao
This paper explores how firms within the audience measurement industry, specifically its radio and television markets, have navigated myriad market and nonmarket challenges. The market strategies and the nonmarket forces that constrain those strategies are largely... View Details
Keywords: Measurement and Metrics; Marketing Strategy; Consumer Behavior; Monopoly; Television Entertainment; Public Opinion; Geographic Scope; Media and Broadcasting Industry; United States
Greene, Hillary, and Dennis Yao. "Navigating Natural Monopolies: Market Strategy and Nonmarket Challenges in Radio and Television Audience Measurement Markets." In Strategy Beyond Markets. Vol. 34, edited by John de Figueiredo, Michael Lenox, Felix Oberholzer-Gee, and Rick Vanden Bergh, 367–411. Advances in Strategic Management. Emerald Group Publishing, 2016.
- 2018
- Working Paper
Taxation and Innovation in the 20th Century
By: Ufuk Akcigit, John Grigsby, Tom Nicholas and Stefanie Stantcheva
This paper studies the effect of corporate and personal taxes on innovation in the United States over the 20th century. We use three new datasets: a panel of the universe of inventors who patent since 1920; a dataset of the employment, location, and patents of firms... View Details
Akcigit, Ufuk, John Grigsby, Tom Nicholas, and Stefanie Stantcheva. "Taxation and Innovation in the 20th Century." NBER Working Paper Series, No. 24982, September 2018. (Forthcoming in Quarterly Journal of Economics.)
- January 2009 (Revised February 2011)
- Case
Solvay Group: International Mobility and Managing Expatriates
By: Boris Groysberg, Nitin Nohria and Kerry Herman
Marcel Lorent, head of International Mobility at Brussels-based Solvay Group, faces decisions on the expatriation status of four of his firm's talented executives. Each decision will impact the candidate's professional and personal life and will have implications for... View Details
Keywords: Leadership Development; Globalized Firms and Management; Work-Life Balance; Talent and Talent Management; Residency; Employees; Brussels
Groysberg, Boris, Nitin Nohria, and Kerry Herman. "Solvay Group: International Mobility and Managing Expatriates." Harvard Business School Case 409-079, January 2009. (Revised February 2011.)
- 12 PM – 1 PM EST, 09 Jan 2019
- Webinars: Trending@HBS
How Better Immigration Policies Foster Business Innovation and Growth
Talent is a critical factor in driving innovation in science, engineering, and today's knowledge economy. Professor Bill Kerr explores the data and ideas that should drive the next wave of policy and business practice around high-skill immigration. View Details
- May–June 2015
- Article
Television Advertising and Online Shopping
By: Jura Liaukonyte, Thales Teixeira and Kenneth Wilbur
Media multitasking competes with television advertising for consumers' attention, but it also may facilitate immediate and measurable response to some advertisements. This paper explores whether and how television advertising influences online shopping. We construct a... View Details
Keywords: Content Analysis; Difference-in-differences; Internet; Media Multitasking; Online Purchases; Advertising; Advertising Industry; United States
Liaukonyte, Jura, Thales Teixeira, and Kenneth Wilbur. "Television Advertising and Online Shopping." Marketing Science 34, no. 3 (May–June 2015): 311–330.
- June 2004
- Case
TechnoServe and the Tanzanian Specialty Coffee Industry
In 2003, TechnoServe, a U.S.-based, international, nonprofit organization, was deciding how to structure the capital investments required for Tanzanian business groups to acquire coffee bean central pulperies. This case explores the challenges of capital budgeting and... View Details
Keywords: Small Business; Nonprofit Organizations; Cash Flow; Emerging Markets; Financing and Loans; Capital Budgeting; Tanzania
Hecht, Peter A., and Salim Haji. "TechnoServe and the Tanzanian Specialty Coffee Industry." Harvard Business School Case 204-153, June 2004.