Abstract Tech clusters like Silicon Valley play a central role for modern innovation, business
competitiveness, and economic performance. This paper reviews what constitutes a tech …

US invention has become increasingly concentrated around major tech centers since the
1970s, with implications for how much cities across the country share in concomitant local …

While universities play a pivotal role in fostering the growth and progress of their
surrounding cities, the extent of this influence remains underexplored and warrants deeper …

Innovation has long been seen as central to long-term regional growth. Due to the absence
of comprehensive data on the geography of innovation covering long time periods …

Micro-level evidence on the migration decision and locational choice of high-skill workers
remain scarce in developing economies. This paper studies whether high-skill individuals in …

Innovation activities of firms tend to be highly persistent. Yet, little is still known about
potential spatial contingencies affecting the degree of persistence. This paper analyses the …

This paper offers the first study of how changes in corporate R&D investment affect labor
mobility. We show that increases in R&D spur employee departures to join start-ups' …

We propose a new method to estimate and isolate the localization of knowledge spillovers
due to the physical presence of a person, using after-application but pre-grant deaths of …

We document political sentiment effects on US inventors. Democratic inventors are more
likely to patent (relative to Republicans) after the 2008 election of Obama but less likely after …

Does social distancing harm innovation? We estimate the effect of non-pharmaceutical
interventions (NPIs)—policies that restrict interactions in an attempt to slow the spread of …