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Motivation and Sorting in Open Source Software Innovation

Belenzon, Sharon; Schankerman, Mark - C.E.P.R. Discussion Papers - 2008

innovation. We exploit the observed pattern of contributions - the 'revealed preference' of developers - to infer the underlying …

Persistent link: https://www.econbiz.de/10005789146

Competition, Entry, and the Social Returns to Infrastructure in Transition Economies

Aghion, Philippe; Schankerman, Mark - C.E.P.R. Discussion Papers - 1999

This paper presents a simple model for analysing the contribution of investments in physical and institutional infrastructure to the transition process. In addition to the direct cost savings, infrastructure investment generates important indirect effects, or transition impacts. The model shows...

Persistent link: https://www.econbiz.de/10005667044

Trading and Enforcing Patent Rights

Galasso, Alberto; Schankerman, Mark; Serrano, Carlos - C.E.P.R. Discussion Papers - 2011

We study how the market for innovation affects enforcement of patent rights. Conventional wisdom associates the gains … potential gains from trade are more likely to change ownership, suggesting that the market for innovation is efficient. We also …

Persistent link: https://www.econbiz.de/10009322505

Patents and Cumulative Innovation: Causal Evidence from the Courts

Galasso, Alberto; Schankerman, Mark - C.E.P.R. Discussion Papers - 2013

Cumulative innovation is central to economic growth. Do patent rights facilitate or impede such follow-on innovation …. Patent rights appear to block follow-on innovation only in the technology fields of computers, electronics and medical … small innovators, suggesting that patents may impede the ‘democratization’ of innovation. …

Persistent link: https://www.econbiz.de/10011084087

Research Productivity and Patent Quality: Measurement with Multiple Indicators

Lanjouw, Jean O; Schankerman, Mark - C.E.P.R. Discussion Papers - 2002

We analyse the determinants of the decline in measured research productivity (the patent/R&D ratio) using panel data on manufacturing firms in the US for the period 1980-93. We focus on three factors: the level of demand, the quality of patents, and technological exhaustion. We first develop an...

Persistent link: https://www.econbiz.de/10005791451

Identifying Technology Spillovers and Product Market Rivalry

Bloom, Nicholas; Schankerman, Mark; Van Reenen, John - C.E.P.R. Discussion Papers - 2005

Support for many R&D and technology policies relies on empirical evidence that R&D ‘spills over’ between firms. But there are two countervailing R&D spillovers: positive effects from technology spillovers and negative effects from business stealing by product market rivals. We develop a...

Persistent link: https://www.econbiz.de/10005662082

Harnessing Success: Determinants of University Technology Licensing Performance

Belenzon, Sharon; Schankerman, Mark - C.E.P.R. Discussion Papers - 2007

We study the impact of incentive pay, local development objectives and government constraints on university licensing performance. We develop and test a simple contracting model of technology licensing offices, using new survey information together with panel data on U.S. universities for...

Persistent link: https://www.econbiz.de/10005667018