Josselin, Jean-Michel; Marciano, Alain - In: Revue d'économie politique 112 (2002) 6, pp. 921-942
In this paper, an agency model is proposed, which allows us not only to compare a unitary state with a federation but also to represent the various forms of federalism. The concept of subsidiarity is used to explain how responsibilities are assigned between the different institutional levels....
