We develop a model where temporary non-technology shocks can lead to permanent changes in the rate of growth of total factor productivity (TFP). The key ingredient of the model is a matching processes between basic researchers, product developers, and the stock of knowledge of the economy. In...

Research and development (R&D) expenditure in Germany decreased by 5.3 percent overall in 2020 compared to 2019. While the OECD countries actually slightly increased their R&D expenditure on average for the first time in a crisis-ridden year, it declined more sharply in Germany compared to the...