The current tendency towards product differentiation in many fields of manufacturing is generally considered to be a positive phenomenon. What we have attempted to do here is to verify the real degree of diversification that exists within the computer industry, by means of the measurement of...

The current tendency towards product differentiation in many areas of manufacturing is generally considered to be extremely positive. What we have attempted to do here is to verify the real degree of diversification that exists, by means of the measurement of the global performance of the most...

In this present work, the authors, after a brief survey of current economic theories of non-renewable resources, propose an alternative mechanism for ore pricing that is consistent with sustainable development.Technological change, technological pluralism, costs and environmental issues are the...

In the present paper we are aiming to establish how the price of the most important durable goods, in Italy as well as in other industrialised countries, has changed, over time, in relation to the per-capita average income, in order to identify trends and causes.The observed trends have been...

The current tendency towards product differentiation in many areas of manufacturing is generally considered to be a positive phenomenon. What we have attempted to do here is to analyse the real degree of diversification that exists within the vehicles industry (in the case of all those models of...

In this work the authors, after a brief outlook concerning the markets of main energy commodities, propose an alternative mechanism for fuel pricing consisted with a sustainable development. Technological change and technological pluralism, costs and environmental issues are the benchmarks of...

In this article the authors provide a quantitative definition of evolutionary materials using some different parameters. Attention has been paid about this question, from a technical, commercial and political point of view, but quantitative parameters have never been utilized. Our proposal,...