Garicano and Rossi-Hansberg (2003) show that knowledge-based hierarchies arecharacterized by positive sorting between workers and managers when knowledgeacquisition takes place before production. We extend the analysis and find thatcomplementarities between manager and worker skill are even...

Judges and juries frequently must decide, knowing that they do not know everything that would be relevant for deciding the case. The law uses two related institutions for enabling courts to nonetheless decide the case: the standard of proof, and the burden of proof. In this paper, we contrast a...