Publications
Publications
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- All HBS Web
(271)
- Faculty Publications (51)
- July 2018
- Article
Global Collaborative Patents
By: Sari Pekkala Kerr and William R. Kerr
We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new... View Details
- 2018
- Working Paper
Some Facts of High-Tech Patenting
By: Michael Webb, Nick Short, Nicholas Bloom and Josh Lerner
Patenting in software, cloud computing, and artificial intelligence has grown rapidly in recent years. Such patents are acquired primarily by large U.S. technology firms such as IBM, Microsoft, Google, and HP, as well as by Japanese multinationals such as Sony, Canon,... View Details
- July 2017 (Revised July 2024)
- Course Overview Note
Public Entrepreneurship
By: Mitchell Weiss
This course is rooted in the belief that there is a large opportunity for creating value and solving large public problems if there are more inventors and builders inside government and more inventors and builders outside government, building for it. The course was... View Details
- 2017
- Article
High-Skilled Migration and Agglomeration
By: Sari Pekkala Kerr, William R. Kerr, Çağlar Özden and Christopher Parsons
This paper reviews recent research regarding high-skilled migration. We adopt a data-driven perspective, bringing together and describing several ongoing research streams that range from the construction of global migration databases, to the legal codification of... View Details
- May 2017
- Article
Immigration and the Rise of American Ingenuity
By: Ufuk Akcigit, John Grigsby and Tom Nicholas
We build on the analysis in Akcigit, Grigsby, and Nicholas (2017) by using U.S. patent and census data to examine the relationship between immigration and innovation. We construct a measure of foreign born expertise and show that technology areas where immigrant... View Details
- April 2017
- Article
Prizes, Patents and the Search for Longitude
By: M. Diane Burton and Tom Nicholas
The 1714 Longitude Act created the Board of Longitude to administer a large monetary prize and progress payments for the precise determination of a ship’s longitude. However, the prize did not prohibit patenting. We use a new dataset of marine chronometer inventors to... View Details
- 2017
- Working Paper
The Rise of American Ingenuity: Innovation and Inventors of the Golden Age
By: Ufuk Akcigit, John Grigsby and Tom Nicholas
We examine the golden age of U.S. innovation by undertaking a major data collection exercise linking inventors from historical U.S. patents to Federal Censuses between 1880 and 1940 and to regional economic aggregates. We provide a theoretical framework to motivate the... View Details
- July 2015
- Article
Skilled Immigration and the Employment Structures of U.S. Firms
By: Sari Pekkala Kerr, William R. Kerr and William F. Lincoln
We study the impact of skilled immigrants on the employment structures of U.S. firms using matched employer-employee data. Unlike most previous work, we use the firm as the lens of analysis to account for a greater level of heterogeneity and the fact that many skilled... View Details
Keywords: Firms; Scientists; Engineers; Inventors; H-1B; Age; Employment; Immigration; United States
- October 2013 (Revised January 2015)
- Case
The Slingshot: Improving Water Access
By: John A. Quelch, Margaret L. Rodriguez and Carin-Isabel Knoop
In 2012, over 750 million people around the globe lacked access to safe drinking water. Dean Kamen, inventor of the Segway, sought to bring fresh water to poor and rural areas with the Slingshot, a water purification device. Kamen's challenge was to identify ways to... View Details
- July 2013
- Article
Ethnic Innovation and U.S. Multinational Firm Activity
By: C. Fritz Foley and William R. Kerr
This paper studies the impact that immigrant innovators have on the global activities of U.S. firms by analyzing detailed data on patent applications and on the operations of the foreign affiliates of U.S. multinational firms. The results indicate that increases in the... View Details
- Article
Intermediary Functions and the Market for Innovation in Meiji and Taisho Japan
By: Tom Nicholas and Hiroshi Shimizu
Japan experienced a transformational phase of technological development during the late nineteenth and early twentieth centuries. We argue that an important, but so far neglected, factor was a developing market for innovation and a patent attorney system that was... View Details
- 2013
- Working Paper
Skilled Immigration and the Employment Structures of U.S. Firms
By: Sari Pekkala Kerr, William R. Kerr and William F. Lincoln
We study the impact of skilled immigrants on the employment structures of U.S. firms using matched employer-employee data. Unlike most previous work, we use the firm as the lens of analysis to account for a greater level of heterogeneity and the fact that many skilled... View Details
Keywords: H-1B; Firms; Scientists; Engineers; Inventors; Age; Employment; Competency and Skills; Immigration; United States
- April 2012
- Article
Local R&D Strategies and Multi-location Firms: The Role of Internal Linkages
By: Juan Alcacer and Minyuan Zhao
This study looks at the role of firms' internal linkages in highly competitive technology clusters, where much of the world's R&D takes place. The leading players in these clusters are multilocation firms that organize and integrate knowledge across sites worldwide.... View Details
- August 2011
- Article
Independent Invention During the Rise of the Corporate Economy in Britain and Japan
By: Tom Nicholas
Independent inventors accounted for approximately half of all patents in Britain and Japan by 1930, despite the rise of the corporate economy and the spread of industrial R&D. A mixture of patent renewal and historical citations data reveals that the quality of... View Details
- May 2011 (Revised March 2012)
- Case
Nanda Home: Preparing for Life after Clocky
By: Elie Ofek and Jill Avery
Gauri Nanda, the inventor of Clocky, the alarm clock that rolls off the bed stand and forces its owner to find it, has to make critical decisions regarding the future of her nascent company. As sales of Clocky show signs of declining, she must decide whether to... View Details
- March 2011
- Article
Cheaper Patents
By: Tom Nicholas
The 1883 Patents Act in Britain provides perspective for modern patent policy reforms because it radically changed incentives for inventors by reducing filing fees by 84 percent. Patents increased 2.5 fold after the reform, which was evenly distributed across the... View Details
Keywords: Patents; Global Range; Distribution; Demand and Consumers; Organizational Structure; Business Processes; Innovation and Invention; Innovation and Management; Policy; Governing Rules, Regulations, and Reforms; Fluctuation; Motivation and Incentives; Distribution Industry; United States; Great Britain
- July 2010 (Revised September 2023)
- Case
Werner von Siemens and the Electric Telegraph
By: Geoffrey Jones and Bjoern von Siemens
This case describes the nineteenth century founding by Werner Siemens of the Siemens electrical business in Germany. Werner's dual role as inventor and entrepreneur is explored as he created one of the world's first multinational enterprises, whose growth initially... View Details
- July 2010
- Article
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 U.S. technology formation. We use reduced-form specifications that exploit large changes in the H-1B visa program. Higher H-1B admissions increase immigrant science and engineering (SE) employment and... View Details
- 2010
- Chapter
The Agglomeration of U.S. Ethnic Inventors
By: William R. Kerr
The ethnic composition of US inventors is undergoing a significant transformation - with deep impacts for the overall agglomeration of US innovation. This study applies an ethnic-name database to individual US patent records to explore these trends with greater detail.... View Details
- March 2010
- Article
The Role of Independent Invention in U.S. Technological Development, 1880-1930
By: Tom Nicholas
Why did independent inventors account for over half of US patents by 1930 and more than three times the number granted to R&D firms? Using new data on patents and historical patent citations, I show that independents supplied high quality innovations to a... View Details