As noted by Alan Greenspan in 2008, one key flaw in standard models is that they treat animal spirits as a simple 'add factor' rather than as a structural one. This paper evaluates the extent to which two recent approaches placing the emphasis on animal spirits - namely Farmer's...

The Water, Energy, Food and Ecosystems (WEFE) nexus refers to the system of complex and highly non-linear interconnections between these four elements. It now represents the basic framework to assess and design policies characterized by an holistic environmental end economical perspective. In...