In this contribution, we introduce “social media analytics” (SMA) as an emerging interdisciplinary research field that, in our view, will have a significant impact on social media-related future research from across different academic disciplines. Despite a number of challenges, we argue...

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...