Urban innovation and development are a core driver for promoting the industrial, economic,
and social development of cities. However, the factors that affect the innovation and …

This article reviews recent literature using insights from history to answer central questions
in urban economics. This area of research has seen rapid growth in the past decade, thanks …

Driven by market and government forces, China's producer services industries have shown
a trend of agglomeration. However, whether this trend can further promote the development …

New ideas no longer fuel economic growth the way they once did. A popular explanation for
stagnation is that good ideas are harder to find, rendering slowdown inevitable. We present …

Using a newly assembled data set of US patents, we show that innovation activity is less
concentrated in high-density locations than commonly believed. Yet, inventions based on …

Innovation is an important driver of potential growth but quantitative evidence on the
dynamics of innovative activities in the long-run are hardly documented due to the lack of …

Patents are commonly used as the main source of data for empirical studies related to
innovation and technological change. The large amount of information about the underlying …

Much recent research in Urban Studies has concentrated on the notion of the 'global city'but
discussion has also covered a larger set of mega cities, with populations in excess of 10 …

Combining data on locations with career and educational histories of mathematicians, we
study how distance and ties affect citation patterns. The ties considered include …

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 …