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The collapse of large social systems, often referred to as civilizations or empires, is a well known historical phenomenon, but its origins are the object of an unresolved debate. In this paper, we present a simple biophysical model which we link to the concept that societies collapse because of the diminishing returns of complexity proposed by Joseph Tainter. Our model is based on the description of a socioeconomic system as a trophic chain of energy stocks which dissipate the energy potential of the available resources. The model produces various trajectories of decline, in some cases rapid enough that they can be defined as collapses. At the same time, we observe that the exploitation of the resource stock (production) has a strongly nonlinear relationship with the complexity of the system, assumed to be proportional to the size of the stock termed bureaucracy. These results provide support for Tainter s hypothesis.
Comment: 15, pages, 12 figures - BSLAB - 5th Business Systems Laboratory -January 22-24, 2018 Universit\`a di Napoli "Federico II" International Symposium Cocreating Responsible Futures in the Digital Age: Exploring new paths towards economic, social and Environmental Sustainability |
