This paper provides a detailed descriptive analysis of patterns of urbanization across Sub-Saharan Africa for the year circa 2015. Despite the rapidity and importance of Sub-Saharan Africa's urbanization, little is known about the anatomy of patterns of urbanization across the region due to a...

This paper analyzes 630,000 paintings from 1400 onward to uncover how visual art reflects its socioeconomic context. We develop a learning algorithm to predict nine basic emotions conveyed in each painting and isolate a context effect--the emotional signal shared across artworks created in the...

We develop a new dartboard methodology to delineate urban areas using detailed information about building location, which we implement using a map of all buildings in France. For each pixel, our approach compares actual building density after smoothing to counterfactual smoothed building density...

We develop a new dartboard methodology to delineate urban areas using detailed information about building location, which we implement using a map of all buildings in France. For each pixel, our approach compares actual building density after smoothing to counterfactual smoothed building density...

Empirical studies on the geography of innovation have established that skilled workers' mobility and collaboration networks shape the diffusion of knowledge across firms and regions. At the same time, the literature on absorptive capacity insisted on the importance of local research capabilities...

Highly skilled professionals are regarded as one of the main driver for the economic development of cities through their effect on innovative capabilities. Skilled individuals are mobile in space and tend to cluster within a limited number of urban areas, therefore a crucial question is what...