negentropy created in the products of the firms. Essentially figures 1.3.5 to 1.3.7 bring together the economic and physical diagrams discussed in Ayres & Nair [Ayres & Nair 1984]; so that the circulation of wealth and money complies with the laws of physics as well as the laws of finance. The discussions o

nsense. However the concept of absolute value is not nonsense, it is in fact very powerful. The concept of 'negentropy' as value, as articulated by Ayres & Nair [Ayres & Nair 1984] for example, is not just basic common sense; it works as a theoretical approach, as evidenced by the models in part A. Once the

ropy, first proposed by Georgescu-Roegen have been treated as fundamental truths. Unfortunately these precepts are trivially mistaken. The paper of Ayres & Nair [Ayres & Nair 1984] provides a typical example. I have found this paper profoundly useful in guiding my ideas as to how to link the mathematics of e