caching techniques permeate almost all areas of communication networks today. In the near future, caching will play an important role in storage-assisted Internet architectures, information-centric networks and wireless systems, reducing operating and capital expenses and improving services for consumers. users. In light of the remarkable growth in data traffic and the growing number of multimedia applications, the impact of caching is expected to become even deeper than it is today. In this article, we look at the economics of caching popular content. After modeling the cooperation between content providers and internet service providers as a coalition game, we assess the investments and benefits of both types of actors in caching strategies. Keywords: caching, game theory, Shaplay