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- September 2008
- Article
Does Innovation Cause Stock Market Runups? Evidence from the Great Crash
By: Tom Nicholas
This article examines the stock market's changing valuation of corporate patentable assets between 1910 and 1939. It shows that the value of knowledge capital increased significantly during the 1920s compared to the 1910s as investors responded to the quality of... View Details
- 2008
- Working Paper
Applicant and Examiner Citations in U.S. Patents: An Overview and Analysis
By: Juan Alcacer, Michelle Gittelman and Bhaven Sampat
Researchers studying innovation increasingly use indicators based on patent citations. However, it is well known that not all citations originate from applicants—patent examiners contribute to citations listed in issued patents—and that this could complicate... View Details
- August 2008
- Article
Ethnic Scientific Communities and International Technology Diffusion
By: William R. Kerr
This study explores the importance of knowledge transfer for international technology diffusion by examining ethnic scientific and entrepreneurial communities in the US and their ties to their home countries. US ethnic research communities are quantified by applying an... View Details
- 2008
- Working Paper
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
- April 2008 (Revised August 2008)
- Supplement
AT&T v. Microsoft (B): District Court Ruling and Appeal
By: Willy C. Shih
The (B) case follows the course of Microsoft's settlement with AT&T, and its appeal in the issue of foreign replicated software that eventually goes to the U.S. Supreme Court. It is intended for follow-up the discussion of the (A) case with what happened, examining a... View Details
- April 2008
- Article
The Survey of Industrial R&D—Patent Database Link Project
By: William R. Kerr and Shihe Fu
This paper details the construction of a firm-year panel dataset combining the NBER Patent Dataset with the Survey of Industrial R&D conducted by the Census Bureau and National Science Foundation. The dataset constitutes a platform that offers an unprecedented view of... View Details
- February 2008 (Revised May 2011)
- Case
The Travails of Rubber: Goodyear or Badyear?
By: Tom Nicholas and Andrew Ferguson
Explores the reason why Charles Goodyear, inventor of rubber vulcanization, was unable to profit from his discovery despite securing international property rights over his invention through a patent in 1844. Considers the utility of patents as an incentive for... View Details
- January 2008 (Revised August 2008)
- Case
AT&T v. Microsoft (A): IP Litigation Strategy
By: Willy Shih
This case examines a hard fought litigation over a patent that originated at Bell Labs. It illustrates the challenges that technology companies face today innovating in a complex intellectual property environment in fields where there is a high amount of... View Details
- 30 Nov 2007
- Conference Presentation
The Ethnic Composition of US Inventors: Evidence Building from Ethnic Names in US Patents
By: William R. Kerr
- November 2007
- Article
Innovation and Incentives: Evidence from Corporate R&D
By: Josh Lerner and Julie Wulf
Beginning in the late 1980s, American corporations began increasingly linking the compensation of central research personnel to the economic objectives of the corporation. This paper examines the impact of the shifting compensation of the heads of corporate research... View Details
- fall 2007
- Article
The Design of Patent Pools: The Determinants of Licensing Rules
By: Josh Lerner, Marcin Strojwas and Jean Tirole
Patent pools are an important but little-studied economic institution. In this paper, we first make a set of predictions about the licensing terms associated with patent pools. The theoretical framework predicts that (a) pools consisting of complementary patents are... View Details
- June 2007
- Article
What Is the Impact of Software Patent Shifts? Evidence from Lotus v. Borland
By: Josh Lerner and Feng Zhu
Economists have debated the extent to which strengthening patent protection spurs or detracts from technological innovation. This paper examines the reduction of software copyright protection in the Lotus v. Borland decision. If patent and copyright protections are... View Details
- 2008
- Working Paper
The Ethnic Composition of U.S. Inventors
By: William R. Kerr
The ethnic composition of US scientists and engineers is undergoing a significant transformation. This study applies an ethnic-name database to individual patent records granted by the United States Patent and Trademark Office to document these trends with greater... View Details
- Article
Finding Lost Profits: An Equilibrium Analysis of Patent Infringement Damages
By: James J. Anton and Dennis A. Yao
We discuss how a seller can appropriate rents when selling knowledge that lacks legal property rights by solving either an expropriation or a valuation problem and then analyze how seller rents increase when a portion of the intellectual property (IP) can be protected.... View Details
- December 2006 (Revised October 2007)
- Case
Monsanto: Realizing Biotech Value in Brazil
By: David E. Bell and Mary L. Shelman
In 2003, Monsanto's patented "Roundup Ready" technology was used illegally on 70-80% of the soybean area in southern Brazil. Under pressure from U.S. soybean growers, who were paying to license the technology, the firm implemented an innovative delivery-based... View Details
- November 2006
- Article
Patent Citations as a Measure of Knowledge Flows: The Influence of Examiner Citations
By: Juan Alcacer and Michelle Gittelman
Analysis of patent citations is a core methodology in the study of knowledge diffusion. However, citations made by patent examiners have not been separately reported, adding unknown noise to the data. We leverage a recent change in the reporting of patent data showing... View Details
- 2006
- Other Unpublished Work
Does Competition Increase Patent Litigation? Empirical Evidence of Strategic Patenting in the Telecom Equipment Industry
By: Juan Alcacer and Rachelle C. Sampson
Anecdotal evidence suggests that patent litigation has increased in the last 20 years as firms in knowledge intensive industries use patents more frequently to protect their knowledge stocks and managers focus on extracting new revenue streams from existing patent... View Details
- February 2006 (Revised October 2006)
- Case
Veridian: Putting a Value on Values
By: Rakesh Khurana, Joel Podolny and Jaan Margus Elias
David Langstaff, the CEO of Veridian, a defense company, struggles with the decision of selling the company. Langstaff has concerned himself with inculcalating his organization with the values necessary for superior achievement over the long term. But as a fiduciary,... View Details