on firm innovation and aggregate growth. We first document a set of sectoral-level and firm-level observations on … innovation in which inter-sectoral knowledge linkages determine the set of sectors a firm chooses to innovate in and how much R …

IPR protection and innovation, but the evidence is stronger for developed countries than for developing countries. Thirdly …, the optimal level of IPR protection should tradeoff the social benefits of enhanced innovation against the social costs of …

innovation and total factor productivity at the country level. More recently this approach has been extended to take account of … externalities induced by innovation activities from foreign countries. This article is an attempt to test this relationship in the … those that relate productivity to innovation ad hoc, allows us to test the exogenous nature of externalities induced by R …

This study develops a Schumpeterian growth model to analyze the effects of different patent instruments on innovation …. We first analyze patent breadth that captures the traditional positive effect of patent rights on innovation. Then, we … assigned to incumbents reduces entrants' incentives for innovation. This aspect of blocking patents captures the recently …