Policies are typically chosen by politicians and bureaucrats. This paper investigates first the normative criteria with which to allocate policy tasks to elected policymakers (politicians) or non-elected bureaucrats. Politicians are preferable if there is uncertainty about social preferences and...

We study which policy tool and at what level a majority chooses in order to reduce activities with negative externalities. We consider three instruments: a rule, that sets an upper limit to the activity which produces the negative externality, a quota that forces a proportional reduction of the...