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- October 2023
- Article
Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
- September 2023
- Technical Note
Free and Open Source Software and Hardware
By: Frank Nagle
This technical note surveys the concepts of free and open source software and hardware. It introduces the concepts in general, providing a brief history of their development and numerous examples of how companies employ them in practice. Further, it identifies various... View Details
- September 2023
- Teaching Note
Nexleaf Analytics: Saving the World Using the Internet of Things
By: Frank Nagle
Teaching Note for HBS Case 722-414. View Details
- 2023
- Working Paper
Mapping Organizational-Level Networks Using Individual-Level Connections: Evidence from Online Professional Networks
By: Shelley Xin Li, Frank Nagle and Aner Zhou
Organization-level networks facilitate the flow of information and business activities in the
economy. Prior research relies solely on high-level connections to measure these networks. Therefore, to
understand the role of employee connections at all job levels in... View Details
- July 2023 (Revised July 2024)
- Case
Miracle Therapeutics: Negotiating an IP License (A)
By: Satish Tadikonda, Michael Singer, William Marks and Wendi Yajnik
(General Experience Case) Beth Sharp and Jennifer Brilliant founded Miracle Therapeutics based on intellectual property developed by Brilliant and her post-doctoral student, John Supreme, in Brilliant’s lab at Elite University (EU). Miracle will have to obtain a... View Details
- June 2023
- Case
Barton Malow: Building From the Top-Down
By: Hise O. Gibson and Alicia Dadlani
In 2023, Detroit-based Barton Malow completed the first high-rise building in the U.S. built from the top-down using LIFTbuild, a patented methodology that aimed to make construction safer and more efficient. By completing building work at ground level and then... View Details
- April 2023
- Case
Elliott Management: Capital Allocation in Biopharma
By: Amitabh Chandra, Paul Clancy and Lauren Gunasti
The case explores the intersection of capital allocation and shareholder activism in the biopharmaceutical industry. As many biopharma companies face looming patent expirations for key medicines, the case asks the question of whether investing in R&D and M&A is an... View Details
- March 2023
- Article
Attracting the Sharks: Corporate Innovation and Securities Class Action Lawsuits
By: Elisabeth Kempf and Oliver Spalt
This paper provides novel evidence suggesting that securities class action lawsuits, a central pillar of the U.S. litigation and corporate governance system, can constitute an obstacle to valuable corporate innovation. We first establish that valuable innovation output... View Details
- Working Paper
Diversification as an Adaptive Learning Process: An Empirical Study of General-Purpose and Market-Specific Technological Know-How in New Market Entry
By: Dominika Kinga Randle and Gary P. Pisano
An enduring trait of modern corporations is their propensity to diversify into multiple lines of business. Penrosian theories conceptualize diversification as a strategy to exploit a firm’s fungible, yet “untradeable,” resources and point to redeployment of... View Details
- 2021
- Working Paper
The Contribution of High-Skilled Immigrants to Innovation in the United States
By: Shai Bernstein, Rebecca Diamond, Abhisit Jiranaphawiboon, Timothy McQuade and Beatriz Pousada
We characterize the contribution of immigrants to US innovation, both through their direct productivity as well as through their indirect spillover effects on their native collaborators. To do so, we link patent records to a database containing the first five digits of... View Details
- July 2022
- Article
Estimating Spillovers from Publicly Funded R&D: Evidence from the US Department of Energy
By: Kyle Myers and Lauren Lanahan
We quantify the magnitude of R&D spillovers created by grants to small firms from the US Department of Energy. Our empirical strategy leverages variation due to state-specific matching policies, and we develop a new approach to measuring both geographic and... View Details
Keywords: Innovation; Energy; R＆D; Grants; Innovation and Invention; Research and Development; Patents; Performance; United States
- 2022
- Working Paper
Innovation on Wings: Nonstop Flights and Firm Innovation in the Global Context
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley W. Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
- June 2022
- Article
The Use and Misuse of Patent Data: Issues for Finance and Beyond
By: Josh Lerner and Amit Seru
Patents and citations are powerful tools for understanding innovation increasingly used in financial economics (and management research more broadly). Biases may result, however, from the interactions between the truncation of patents and citations and the changing... View Details
- March 2022 (Revised July 2022)
- Case
Nexleaf Analytics: Saving the World Using the Internet of Things
By: Frank Nagle
In 2019, a decade after co-founding Nexleaf Analytics, CEO Nithya Ramanathan faced an important decision that would impact the ability of the small, but growing, not-for-profit organization to thrive for another decade. Their sensor technologies and big data analytics... View Details
- March 2022
- Article
Winner Takes All? Tech Clusters, Population Centers, and the Spatial Transformation of U.S. Invention
By: Brad Chattergoon and William R. Kerr
U.S. invention has become increasingly concentrated around major tech centers since the 1970s, with implications for how much cities across the country share in concomitant local benefits. Is invention becoming a winner-takes-all race? We explore the rising spatial... View Details
- February 2022
- Article
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 twentieth century. We build a panel of the universe of inventors who patent since 1920, and a historical state-level corporate tax database with corporate tax... View Details
- 2022
- Working Paper
Talent Flows and the Geography of Knowledge Production: Causal Evidence from Multinational Firms
By: Dany Bahar, Prithwiraj Choudhury, Sara Signorelli and James M. Sappenfield
Leveraging a unique dataset merging patent data with all work-related migration reforms that took place in 15 countries over 26 years, we show that reforms discouraging inventor mobility decrease the patenting of MNE subsidiaries within a country, while reforms... View Details
- Winter 2021
- Article
Can Staggered Boards Improve Value? Causal Evidence from Massachusetts
By: Robert Daines, Shelley Xin Li and Charles C.Y. Wang
We study the effect of staggered boards (SBs) using a quasi-experiment: a 1990 law that imposed an SB on all Massachusetts-incorporated firms. The law led to an increase in Tobin's Q, investment in CAPEX and R&D, patents, higher-quality patented innovations, and... View Details
- 2021
- Working Paper
Winner Takes All? Tech Clusters, Population Centers, and the Spatial Transformation of U.S. Invention
By: Brad Chattergoon and William R. Kerr
U.S. invention has become increasingly concentrated around major tech centers since the 1970s, with implications for how much cities across the country share in concomitant local benefits. Is invention becoming a winner-takes-all race? We explore the rising spatial... View Details
- 2021
- Other Unpublished Work
Computer-Implemented Methods and Systems for Measuring, Estimating, and Managing Economic Outcomes and Technical Debt in Software Systems and Projects: US Patent 11,126,427 B2
By: Daniel J. Sturtevant, Carliss Baldwin, Alan MacCormack, Sunny Ahn and Sean Gilliland
An interrelated set of tools and methods is disclosed for: (1) measuring the relationship between software source code attributes (such as code quality, design quality, test quality, and complexity metrics) and software economics outcome metrics (such as... View Details