innovation distinguishing between "dirty" (internal combustion engine) and "clean" (e.g. electric and hybrid) patents across 80 … tax-inclusive fuel prices. Furthermore, there is path dependence in the type of innovation both from aggregate spillovers … and from the firm's own innovation history. Using our model we simulate the increases in carbon taxes needed to allow …

Using patent data from the United States, Japan, and Germany, this paper examines both the innovation and diffusion of … environmental regulations. Moreover, any technology transfer that occurs appears to be indirect. Domestic innovation occurs even for … regulations later nonetheless purchase pollution abatement equipment from domestic firms. However, patent citation data from the U …

We revisit the effect of the “Eco-Patent Commons” (EcoPC) on the diffusion of patented environmentally friendly … patents covering 94 “green” inventions. Hall and Helmers (2013) suggested that the patents pledged to the commons had the … organizational issues. Our findings have implications for the effectiveness of patent commons in enabling the diffusion of patented …

No firm or sector of the global economy is untouched by innovation. In equilibrium, innovators will flock to (and … innovation will occur where) the returns to innovative capital are the highest. In this paper, we document a strong empirical … pattern in green patent production. Specifically, we find that oil, gas, and energy producing firms – firms with lower …

This paper examines the relation between ownership, corporate form, and innovation for a cross-section of private and …: while most innovating firms in the US are publicly traded conglomerates, a substantial fraction of innovation is … countries, where business groups tend to be concentrated in industries with a slower and more fundamental innovation cycle and …

change and innovation has radically changed the living standards of the citizens of the US in the past 150 years. Lying … the presence of post offices in a county, on innovation. We show that between 1804 and 1899, the time when the US became …

We study the causal impact of patent invalidation on subsequent innovation and exit by the patent holder. The analysis … is based on patent litigation at the U.S. Court of Appeals for the Federal Circuit, and exploits the random allocation of … judges to control for endogeneity of the judicial decision. Invalidation causes the patent holder to reduce subsequent …

with new data on patent citations to scientific publications by corporations. Using data on 4,736 firms for the period 1980 …

We examine the golden age of U.S. innovation by undertaking a major data collection exercise linking historical U ….S. patents to state and county-level aggregates and matching inventors to Federal Censuses between 1880 and 1940. We identify a … macro and micro-level determinants. We find a positive relationship between innovation and drivers of regional performance …