This paper responds to the comment of Di Tella and Dubra (2013). We first clarify that the model of Alesina and Angeletos (2005) admits two distinct types of multiplicity: one that is at the core of their contribution, and a separate one that is at work in Di Tella and Dubra's example. We then...

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...

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...