Although the theoretical literature on corruption is well developed, empirical work in this area has lagged because it has proven difficult to isolate corrupt behavior in the data. In this paper, we look for evidence of corruption in an unlikely place: the highest echelons of Japanese sumo...

Wikipedia has been successful despite its purely decentralized production. Given its size, it is important to know whether editors produce the articles in an efficient manner. I introduce a new measure of dynamic efficiency and use it to evaluate the ordering of Wikipedia's article creation. At...

Although the theoretical literature on corruption is well developed, empirical work in this area has lagged because it has proven difficult to isolate corrupt behavior in the data. In this paper, we look for evidence of corruption in an unlikely place: the highest echelons of Japanese sumo...