Did the Covid-19 pandemic have an impact on innovation? Past economic disruptions, anecdotal evidence, and the previous literature suggest a decline with substantial differences between industries. We leverage USPTO patent application data to investigate and quantify the disturbance. We assess...

1. Introduction : the poor craftsman and the wealthy inventor -- 2. Methods for an analysis of economic growth and network effects -- 3. A literature review : models of economic growth -- 4. Network economics -- 5. A complex model of growth, technological change and networks effects -- 6. Case...