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 framework showing that technology and product market spillovers have … product market spillovers operate, but that net social returns are several times larger than private returns. The spillover …

This paper is a study of licensing in a patent thicket. In a patent thicket licensing allows firms to avoid hold-up. It …. Building on a model of a patent portfolio race, firms' choice between these types of licensing contracts is modelled. We find … results we argue that licensing raises welfare in the patent thicket. …

Licensing in a patent thicket allows firms to either avoid or resolve hold-up. Firms’ R&D incentives depend on whether … they license ex ante or ex post. We develop a model of a patent portfolio race, which allows for endogenous R&D efforts, to … likely to avoid patent portfolio races, since the threat of hold-up increases. On the other hand, more valuable technologies …

Pressure on public finances has increased scrutiny of public support for innovation. We examine two particular issues … evidence of market sector spillovers from intangible investment and from public R&D. We find (a) no evidence of spillover … spillovers from public R&D spend on research councils, and (c) no evidence of market sector spillovers from public spending on …

We examine the growth promoting roles of R&D, international R&D spillovers, and trade in a world econometric model. A … of MULTIMOD that incorporates R&D spillovers among industrial countries and from industrial countries to developing … countries. Our simulations suggest that R&D, R&D spillovers, and trade play important roles in boosting growth in industrial and …

The empirical analysis in "International R&D Spillovers" (Coe and Helpman, 1995) is first revisited by applying modern … origin and patent protection, in order to allow for parameter heterogeneity based on a country’s institutional … they impact the degree of R&D spillovers. …

This Paper examines the effects of two faces of R&D (innovation and development of absorptive or learning capacity) and … technology spillovers from FDI (foreign direct investment) on a firm’s productivity growth. Using firm-level panel data on Czech … of R&D in explaining the productivity growth of a firm 2) Technology spillovers from FDI occur for firms that are more R …

causes a relocation of R&D activities if intrafirm communication is sufficiently well developed, external spillovers are …

sufficiently better at judging an idea's value and if it is sufficiently more costly to patent low than high value ideas, VCs …-run performance, but also infl ates their acquisition prices, and lowers their acquirers' overall profits. Patent law usefulness …