propose a unifying theory to analyze the symptoms and the potential causes of this decline. We first highlight 10 pronounced … explain them. We then describe a theoretical framework of endogenous markups, innovation, and competition that can potentially … potential of growth theory for the analysis of factors behind declining business dynamism and the need for further investigation …

. Consistent with a large literature, we use patent counts as a measure of innovation. The combination of the US market's economic …Using data from the US automobile market, we empirically examine the link between competition and innovation … importance, market dynamics, and the significant intertemporal fluctuations in firms' market shares and patents make this an …

We construct a tractable general equilibrium model of cumulative innovation and growth, in which new ideas strictly … lower than the social plannerś benchmark, which suggests a role for patent policy. We focus on a "non-infringing inventive … the rate of innovation, as well as a separate optimal required inventive step that maximizes welfare, with the former …

We examine the Nash equilibria of a game where two national governments set patent breadth strategically. Broader … patents make R&D more attractive, but the effect on static efficiency is nonmonotonic. In a North.South model, where only the … North can innovate, harmonization of patent breadth lowers welfare relative to the Nash equilibrium. When both countries can …

This paper provides a first comprehensive quantitative analysis of optimal patent policy in the global economy. We … introduce a new framework, which combines trade and growth theory into a tractable tool for quantitative research. Our … application delivers three main results. First, the potential gains from international cooperation over patent policies are large …

markups, falling labor share and productivity growth. Patents are an important obstacle to knowledge diffusion. We find an … inverse U-shaped relationship between patent strength and growth: moderate levels of patent protection can stimulate growth …

. Importantly, the theoretical model captures the strategic behavior between competing firms, its effect on their innovation … the hands of firms with the largest stock and a changing nature of patents, especially in the post- 2000 period, which …

We develop a theory of innovation for entry and sale into oligopoly, and show that inventions of higher quality are … entrepreneurial effort allocated to high-quality invention projects. Using data on patents granted to small firms and individuals, we … are shown to be solved by verification through entry for sale. -- acquisitions ; entrepreneurship ; innovation ; start …

-competitive effects of patent pools for complementary patents naturally extend for dynamic innovation incentives. However, this simple …This paper analyzes patent pools and their effects on innovation incentives. It is shown that the pro … case, the licensing fees reflect the strength of patents. Patent pools of complementary patents can be used to discourage …