Research generally supported a positive effect of competition intensity on financial commitment into news production within U.S. markets. The authors test this assumption across European newspaper markets by applying fuzzy set qualitative comparative analysis. Although oligopolistic too,...

This article investigates the efficacy of international environmental agreements (IEAs). It reviews approaches from the political sciences and from economics to measure the efficacy of historical IEAs. It is argued that the current literature is deficient in many respects but that by appropriate...