dramatically increases this class of models. The separate roles of symmetry and adding up are identified in the rank and the … functional form of this class of models. We show that symmetry determines rank and the maximum rank is three. We show that adding … system. We prove that every full rank system and reduced rank systems with a minimal level of degeneracy can be written as a …

isolated in the rank and functional form restrictions for Gorman systems. Symmetry determines the rank condition. The maximum … rank is three for incomplete and complete systems. Homogeneity/adding up determines the functional form restrictions in … complete systems. There is no restriction on functional form in an incomplete system. Every full rank and minimal deficit …

The core of risk aggregation in the Solvency II Standard Formula is the so-called square root formula. We argue that it … should be seen as a means for the aggregation of different risks to an overall risk rather than being associated with … immediately find that it defines a norm and therefore provides a homogeneous and sub-additive tool for risk aggregation. Hence …

This paper presents an index of institutionalized social technologies covering its two main dimensions namely Risk …

namely Risk reducing technologies and Anti Rent seeking technologies and in turn covers several social, institutional …