This paper studies the causes and consequences of political centralization and fragmentation in China and Europe. We argue that the severe and unidirectional threat of external invasion fostered political centralization in China while Europe faced a wider variety of smaller external threats and...

Imperial China used an empire-wide system of examinations to select civil servants. Using a semiparametric matching-based difference-in-differences estimator, we show that the persecution of scholar-officials led to a decline in the number of examinees at the provincial and prefectural level. To...

Imperial China used an empire-wide system of examinations to select civil servants. Using a semiparametric matching-based difference-in-differences estimator, we show that the persecution of scholar-officials led to a decline in the number of examinees at the provincial and prefectural level. To...

Magna Carta, a pivotal moment in the emergence of constitutional government, institutionalised constraints on royal power. We depict it as an optimal agreement between two coalitions capable of violence: the king's loyal coalition of barons and the rebel barons. This type of agreement is more...

Patterns of political unification and fragmentation have crucial implications for comparative economic development. Diamond (1997) famously argued that "fractured land" was responsible for China's tendency toward political unification and Europe's protracted political fragmentation. We build a...

This paper studies the causes and consequences of political centralization and fragmentation in China and Europe. We argue that a severe and unidirectional threat of external invasion fostered centralization in China while Europe faced a wider variety of smaller external threats and remained...