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Patents and the Global Diffusion of New Drugs

Cockburn, Iain; Lanjouw, Jean O.; Schankerman, Mark - Centre for Economic Performance, LSE - 2014

This paper studies how patent rights and price regulation affect how fast new drugs are launched in different countries, using newly constructed data on launches of 642 new drugs in 76 countries for the period 1983-2002, and information on the duration and content of patent and price control...

Persistent link: https://www.econbiz.de/10010945145

Incentives and Invention in Universities

Lach, Saul; Schankerman, Mark - Centre for Economic Performance, LSE - 2006

Using data on U.S. universities, we show that universities that give higher royalty shares to faculty scientists generate greater license income, controlling for university size, academic quality, research funding and other factors. We use pre-sample data on university patenting to control for...

Persistent link: https://www.econbiz.de/10005016813

Spreading the Word: Geography, Policy and Knowledge Spillovers

Belenzon, Sharon; Schankerman, Mark - Centre for Economic Performance, LSE - 2010

Using new data on citations to university patents and scientific publications, we study how geography affects … university knowledge spillovers. Citations to patents decline sharply with distance up to about 150 miles and are strongly … constrained by state borders. Distance also constrains citations to scientific publications, but the impact is less sharp and …

Persistent link: https://www.econbiz.de/10008694945

Patent Thickets and the Market for Innovation: Evidence from Settlement of Patent Disputes

Galasso, Alberto; Schankerman, Mark - Centre for Economic Performance, LSE - 2008

We study how fragmentation of patent rights ('patent thickets') and the formation of the Court of Appeal for the Federal Circuit (CAFC) affected the duration of patent disputes, and thus the speed of technology diffusion through licensing. We develop a model of patent litigation which predicts...

Persistent link: https://www.econbiz.de/10005796145

Strategic Patenting and Software Innovation

Noel, Michael; Schankerman, Mark - Centre for Economic Performance, LSE - 2006

Strategic patenting is widely believed to raise the costs of innovating, especially in industries characterised by cumulative innovation. This paper studies the effects of strategic patenting on R&D, patenting and market value in the computer software industry. We focus on two key aspects:...

Persistent link: https://www.econbiz.de/10005670634

Mass Education or a Minority Well Educated Elite in the Process of Development: the Case of India

Castelló-Climent, Amparo; Mukhopadhyay, Abhiroop - Centre for Economic Performance, LSE - 2011

This paper analyses whether in developing countries mass education is more growth enhancing than to have a minority well educated elite. Using the Indian census data as a benchmark and enrollment rates at different levels of education we compute annual attainment levels for a panel of 16 Indian...

Persistent link: https://www.econbiz.de/10009359511

Trading and Enforcing Patent Rights

Galasso, Alberto; Schankerman, Mark; Serrano, Carlos J. - Centre for Economic Performance, LSE - 2011

We study how the market for innovation affects enforcement of patent rights. Conventional wisdom associates the gains from trade with comparative advantage in manufacturing or marketing. We show that these gains imply that patent transactions should increase litigation risk. We identify a new...

Persistent link: https://www.econbiz.de/10009276046

The Effect of Market Entry on Innovation: Evidence from UK University Incubators

Helmers, Christian - Centre for Economic Performance, LSE - 2010

This paper investigates the effect of market entry of new firms on incumbent firms' innovative activity measured as patent applications. The basic assumption is that the effect of entry varies by geographical distance between entrants and incumbents due to the presence of localized unobserved...

Persistent link: https://www.econbiz.de/10008694937

Patents and Cumulative Innovation: Causal Evidence from the Courts

Galasso, Alberto; Schankerman, Mark - Centre for Economic Performance, LSE - 2013

, as measured by later citations. We exploit random allocation of judges at the U.S. Court of Appeals for the Federal … Circuit to control for endogeneity of patent invalidation. Patent invalidation leads to a 50 percent increase in citations to …

Persistent link: https://www.econbiz.de/10010789229

Wikipedia: the value of open content production

Aaltonen, Aleksi; Seiler, Stephan - Centre for Economic Performance, LSE - 2014

Without the 'spillover effects' of open content production, the growth in Wikipedia editing activity between 2002 and 2010 would have been halved. That is the central finding of research by Aleksi Aaltonen and Stephan Seiler, which analyses editing data by Wikipedia users to show how content...

Persistent link: https://www.econbiz.de/10010933777