We study the evolution of patenting in China from 1985-2019. We use a Large Language Model to measure patent importance … based on patent abstracts and classify patent ownership using a comprehensive business registry. We highlight four insights …. First, average patent importance declined from 2000-2010 but has increased more recently. Second, private Chinese firms …

Recent empirical evidence has shown that firm’s innovation behavior exhibits high persistency but not much is known … environment and asks how local knowledge spillovers affect firms' innovation persistence. The empirical analysis draws upon a … representative panel data set of firms in Germany from 2002-2016, complemented by detailed geographic information of patent activity …

-in-differences design to causally identify the short-run impact of COVID-19 on innovation spending in 2020 and expected innovation spending … substantially reduced innovation expenditure not only in the first year of the pandemic (2020) but also in the two subsequent years …, indicating ’Long–Covid’ effects on innovation. In 2020, innovation expenditure fell by 4.7 % due to the pandemic. In 2022 …