This article proposes pragmatic methods that incorporate recent contributions to public good theory to identify the members of the international club and how they select new members. This article also suggests simple applications to the recent problems in international clubs such as the euro and...

The international public good model is an extension of the public good model, allowing for different productivities of producing the public good across countries. By extending the proofs of Bergstrom <italic>et al.</italic> (1986, 1992), which are the seminal studies in the public good literature, this article...