This paper investigates the long-run development of China's treaty ports from the mid-eighteenth century until today. Focusing on a sample of prefectures on the coast or on the Yangtze River, I document the dynamic development paths of treaty ports and their neighbors in alternate phases of...

Unfavourable demographic trends in many OECD countries threaten the sustainability of potential labour resources, GDP growth and fiscal positions. One factor that is expected to mitigate these trends is continued inflows of migrant workers from low income economies. However, a rapid catch-up in...

Networks contain complex patterns of dependency and require multiple levels of analysis to explain their formation, structure, and outcomes. In this Element, the authors develop the Multilevel Network Framework. The framework serves as (i) a conceptual tool to think more deeply about network...