We study and compare law enforcement costs under two alternative burden of proof rules with the objective of reducing crime to a target level. We show that presuming innocence rather than guilt has a cost advantage, mainly due to lower costs of preventing collusion between law enforcers and...

We consider a multi-stage game of fund-raising to study the announcement strategy of a fund-raiser, who is privately informed about the number of potential contributors, with the objective of collecting maximal contributions for a public project. We show that whether the public project is convex...