Abstract

The evolutionary phase of advanced economic systems is characterised by the progressive substitution of material inputs, including energy, by immaterial inputs. Among these the availability and adaptability of technological innovation, services and the information transfer technology are of particular importance. Innovation processes and technological transformation are among the factors that dominate the evolution of industrial energy consumption. These require programming and continuity in the economic system. The relationship between output and the elements that make up input allow the construction of indices which can accurately describe static and dynamic phenomena of the particular economic system.

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