A qualitative game describes a situation in which antagonistic players strive to keep the evolutions of their state variables in predetermined constraint sets. We argue that a qualitative game model is a suitable mathematical representation of the struggle between a domestic central bank of a...

This paper studies implementation of the social optimum in a model of habit formation. We consider taxes that address inefciencies due to negative consumption externalities, imperfect competition, and self-control problems. Our contributions are to: i) account for producers market power; and ii)...

This paper studies implementation of the social optimum in a model of habit formation. We consider taxes that address inefficiencies due to negative consumption externalities, imperfect competition, and self-control problems. Our contributions are to: i) account for producers’ market power;...