In the seventies and eighties, the theory of exhaustible natural resources developed a branch, which was called the cartel-versus-fringe model, to characterize markets with one large coherent cartel and a big number of small suppliers named the fringe. It was considered appropriate to use the...

We extend a well known differential oligopoly game to encompass the possibility for production to generate a negative environmental externality, regulated through Pigouvian taxation and price caps. We show that, if the price cap is set so as to fix the tolerable maximum amount of emissions, the...