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Cornelli, Francesca; Schankerman, Mark - C.E.P.R. Discussion Papers - 1998

patent lives when firms have different R&D productivities. A uniform patent life provides excessive R&D incentive to low …-productivity firms, and too little to high ones. The optimally differentiated patent scheme can be implemented through a menu of patent … with existing patent renewal systems and to illustrate the potential welfare gains from the optimal policy. …

Persistent link: https://www.econbiz.de/10005656148

Identifying technology spillovers and product market rivalry

Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2005

Government policies to support R&D are predicated on empirical evidence of R&D "spillovers" 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 general...

Persistent link: https://www.econbiz.de/10011125934

Identifying technology spillovers and product market rivalry

Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2013

The impact of R&D on growth through spillovers has been a major topic of economic research over the last thirty years. A central problem in the literature is that firm performance is affected by two countervailing "spillovers" : a positive effect from technology (knowledge) spillovers and a...

Persistent link: https://www.econbiz.de/10011126004

Identifying technology spillovers and product market rivalry

Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 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/10011126438

Identifying technology spillovers and product market rivalry

Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 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/10011071197

Identifying Technology Spillovers and Product Market Rivalry

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

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