Why do cities grow in population, surface area, and income per person? Which cities grow faster and why? To these questions, the urban growth literature has offered a variety of answers. Within an integrated framework, this chapter reviews key theories with implications for urban growth. It then...

Individual earnings are higher in bigger cities. We consider three reasons: spatial sorting of initially more productive workers, static advantages from workers’ current location, and learning by working in bigger cities. Using rich administrative data for Spain, we find that workers in bigger...

International trade can have profound effects on domestic institutions. We examine this proposition in the context of medieval Venice circa 800–1600. Early on, the growth of long-distance trade enriched a broad group of merchants who used their newfound economic muscle to push for constraints...