[fre] Boîte d'Edgeworth et théorie de la localisation. . L'introduction de l'espace dans la théorie économique soulève des difficultés particulières qui expliquent la construction de modèles spécifiques : la non-convexité des choix de localisation et la présence d'une infinité de...

[eng] This paper studies the relationship between continuous and discrete models in urban economics. In particular, it discusses the interpretation of the continuous model as well as its « discrete foundations ». [fre] L'objectif de cet article est de faire un tour d'horizon sur les liens qui...

[eng] The monopolistic competition model and banking theory. . We show that the Salop [1979] monopolistic competition model can reveal very useful in banking theory. We first recall several of its recent applications to the modeling of competition between bank branches (Chiappori et ali [1992],...