Why do policies and strategies often fail, and what can be done about it? How can complexity be managed in cases where it cannot be reduced? The answers to these questions are anything but trivial, and can only be found by combining insights from complexity science, system dynamics, system theory

This monograph, co-authored by three longtime collaborators, aims to promote the interdisciplinary field of mathematical biology by providing accessible new approaches to study natural systems. As there is currently scarce literature on the applications of mathematical modelling for biology research, this book presents a new way of studying interactions at

A great deal of attention has been devoted to risk research. Sociologists in general have limited themselves to varying recognitions of a society at risk and have traced out the paths to disaster. The detailed research has yet to be undertaken. In Risk, now available in paperback, Niklas Luhmann develops

Barber constructs a provisional, generalized, substantive theory of the social system, which he uses as the starting point and focus of his specialized researches. In this collection of his major writings in social system theory, Barber shows how he has used and developed such a framework over the last fifty

Describes various types of societies and the principles of sociology that can be used to analyze them